Awesome Prometheus alerts

⚠️ Caution ⚠️

Alert thresholds depend on nature of applications.
Some queries in this page may have arbitrary tolerance threshold.

Building an efficient and battle-tested monitoring platform takes time. 😉

# 1.1. Prometheus self-monitoring (28 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/prometheus-self-monitoring/embedded-exporter.yml

# 1.1.1. Prometheus job missing

A Prometheus job has disappeared [copy]

  - alert: PrometheusJobMissing
    expr: absent(up{job="prometheus"})
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Prometheus job missing (instance {{ $labels.instance }})
      description: "A Prometheus job has disappeared\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.2. Prometheus target missing

A Prometheus target has disappeared. An exporter might be crashed. [copy]

  - alert: PrometheusTargetMissing
    expr: up == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Prometheus target missing (instance {{ $labels.instance }})
      description: "A Prometheus target has disappeared. An exporter might be crashed.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.3. Prometheus all targets missing

A Prometheus job does not have living target anymore. [copy]

  - alert: PrometheusAllTargetsMissing
    expr: sum by (job) (up) == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Prometheus all targets missing (instance {{ $labels.instance }})
      description: "A Prometheus job does not have living target anymore.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.4. Prometheus target missing with warmup time

Allow a job time to start up (10 minutes) before alerting that it's down. [copy]

  - alert: PrometheusTargetMissingWithWarmupTime
    expr: sum by (instance, job) ((up == 0) * on (instance) group_right(job) (node_time_seconds - node_boot_time_seconds > 600))
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Prometheus target missing with warmup time (instance {{ $labels.instance }})
      description: "Allow a job time to start up (10 minutes) before alerting that it's down.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.5. Prometheus configuration reload failure

Prometheus configuration reload error [copy]

  - alert: PrometheusConfigurationReloadFailure
    expr: prometheus_config_last_reload_successful != 1
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Prometheus configuration reload failure (instance {{ $labels.instance }})
      description: "Prometheus configuration reload error\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.6. Prometheus too many restarts

Prometheus has restarted more than twice in the last 15 minutes. It might be crashlooping. [copy]

  - alert: PrometheusTooManyRestarts
    expr: changes(process_start_time_seconds{job=~"prometheus|pushgateway|alertmanager"}[15m]) > 2
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Prometheus too many restarts (instance {{ $labels.instance }})
      description: "Prometheus has restarted more than twice in the last 15 minutes. It might be crashlooping.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.7. Prometheus AlertManager job missing

A Prometheus AlertManager job has disappeared [copy]

  - alert: PrometheusAlertmanagerJobMissing
    expr: absent(up{job="alertmanager"})
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Prometheus AlertManager job missing (instance {{ $labels.instance }})
      description: "A Prometheus AlertManager job has disappeared\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.8. Prometheus AlertManager configuration reload failure

AlertManager configuration reload error [copy]

  - alert: PrometheusAlertmanagerConfigurationReloadFailure
    expr: alertmanager_config_last_reload_successful != 1
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Prometheus AlertManager configuration reload failure (instance {{ $labels.instance }})
      description: "AlertManager configuration reload error\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.9. Prometheus AlertManager config not synced

Configurations of AlertManager cluster instances are out of sync [copy]

  - alert: PrometheusAlertmanagerConfigNotSynced
    expr: count(count_values("config_hash", alertmanager_config_hash)) > 1
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Prometheus AlertManager config not synced (instance {{ $labels.instance }})
      description: "Configurations of AlertManager cluster instances are out of sync\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.10. Prometheus AlertManager E2E dead man switch

Prometheus DeadManSwitch is an always-firing alert. It's used as an end-to-end test of Prometheus through the Alertmanager. [copy]

  - alert: PrometheusAlertmanagerE2eDeadManSwitch
    expr: vector(1)
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Prometheus AlertManager E2E dead man switch (instance {{ $labels.instance }})
      description: "Prometheus DeadManSwitch is an always-firing alert. It's used as an end-to-end test of Prometheus through the Alertmanager.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.11. Prometheus not connected to alertmanager

Prometheus cannot connect the alertmanager [copy]

  - alert: PrometheusNotConnectedToAlertmanager
    expr: prometheus_notifications_alertmanagers_discovered < 1
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Prometheus not connected to alertmanager (instance {{ $labels.instance }})
      description: "Prometheus cannot connect the alertmanager\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.12. Prometheus rule evaluation failures

Prometheus encountered {{ $value }} rule evaluation failures, leading to potentially ignored alerts. [copy]

  - alert: PrometheusRuleEvaluationFailures
    expr: increase(prometheus_rule_evaluation_failures_total[3m]) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Prometheus rule evaluation failures (instance {{ $labels.instance }})
      description: "Prometheus encountered {{ $value }} rule evaluation failures, leading to potentially ignored alerts.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.13. Prometheus template text expansion failures

Prometheus encountered {{ $value }} template text expansion failures [copy]

  - alert: PrometheusTemplateTextExpansionFailures
    expr: increase(prometheus_template_text_expansion_failures_total[3m]) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Prometheus template text expansion failures (instance {{ $labels.instance }})
      description: "Prometheus encountered {{ $value }} template text expansion failures\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.14. Prometheus rule evaluation slow

Prometheus rule evaluation took more time than the scheduled interval. It indicates a slower storage backend access or too complex query. [copy]

  - alert: PrometheusRuleEvaluationSlow
    expr: prometheus_rule_group_last_duration_seconds > prometheus_rule_group_interval_seconds
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Prometheus rule evaluation slow (instance {{ $labels.instance }})
      description: "Prometheus rule evaluation took more time than the scheduled interval. It indicates a slower storage backend access or too complex query.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.15. Prometheus notifications backlog

The Prometheus notification queue has not been empty for 10 minutes [copy]

  - alert: PrometheusNotificationsBacklog
    expr: min_over_time(prometheus_notifications_queue_length[10m]) > 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Prometheus notifications backlog (instance {{ $labels.instance }})
      description: "The Prometheus notification queue has not been empty for 10 minutes\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.16. Prometheus AlertManager notification failing

Alertmanager is failing sending notifications [copy]

  - alert: PrometheusAlertmanagerNotificationFailing
    expr: rate(alertmanager_notifications_failed_total[1m]) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Prometheus AlertManager notification failing (instance {{ $labels.instance }})
      description: "Alertmanager is failing sending notifications\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.17. Prometheus target empty

Prometheus has no target in service discovery [copy]

  - alert: PrometheusTargetEmpty
    expr: prometheus_sd_discovered_targets == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Prometheus target empty (instance {{ $labels.instance }})
      description: "Prometheus has no target in service discovery\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.18. Prometheus target scraping slow

Prometheus is scraping exporters slowly since it exceeded the requested interval time. Your Prometheus server is under-provisioned. [copy]

  - alert: PrometheusTargetScrapingSlow
    expr: prometheus_target_interval_length_seconds{quantile="0.9"} / on (interval, instance, job) prometheus_target_interval_length_seconds{quantile="0.5"} > 1.05
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Prometheus target scraping slow (instance {{ $labels.instance }})
      description: "Prometheus is scraping exporters slowly since it exceeded the requested interval time. Your Prometheus server is under-provisioned.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.19. Prometheus large scrape

Prometheus has many scrapes that exceed the sample limit [copy]

  - alert: PrometheusLargeScrape
    expr: increase(prometheus_target_scrapes_exceeded_sample_limit_total[10m]) > 10
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Prometheus large scrape (instance {{ $labels.instance }})
      description: "Prometheus has many scrapes that exceed the sample limit\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.20. Prometheus target scrape duplicate

Prometheus has many samples rejected due to duplicate timestamps but different values [copy]

  - alert: PrometheusTargetScrapeDuplicate
    expr: increase(prometheus_target_scrapes_sample_duplicate_timestamp_total[5m]) > 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Prometheus target scrape duplicate (instance {{ $labels.instance }})
      description: "Prometheus has many samples rejected due to duplicate timestamps but different values\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.21. Prometheus TSDB checkpoint creation failures

Prometheus encountered {{ $value }} checkpoint creation failures [copy]

  - alert: PrometheusTsdbCheckpointCreationFailures
    expr: increase(prometheus_tsdb_checkpoint_creations_failed_total[1m]) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Prometheus TSDB checkpoint creation failures (instance {{ $labels.instance }})
      description: "Prometheus encountered {{ $value }} checkpoint creation failures\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.22. Prometheus TSDB checkpoint deletion failures

Prometheus encountered {{ $value }} checkpoint deletion failures [copy]

  - alert: PrometheusTsdbCheckpointDeletionFailures
    expr: increase(prometheus_tsdb_checkpoint_deletions_failed_total[1m]) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Prometheus TSDB checkpoint deletion failures (instance {{ $labels.instance }})
      description: "Prometheus encountered {{ $value }} checkpoint deletion failures\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.23. Prometheus TSDB compactions failed

Prometheus encountered {{ $value }} TSDB compactions failures [copy]

  - alert: PrometheusTsdbCompactionsFailed
    expr: increase(prometheus_tsdb_compactions_failed_total[1m]) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Prometheus TSDB compactions failed (instance {{ $labels.instance }})
      description: "Prometheus encountered {{ $value }} TSDB compactions failures\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.24. Prometheus TSDB head truncations failed

Prometheus encountered {{ $value }} TSDB head truncation failures [copy]

  - alert: PrometheusTsdbHeadTruncationsFailed
    expr: increase(prometheus_tsdb_head_truncations_failed_total[1m]) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Prometheus TSDB head truncations failed (instance {{ $labels.instance }})
      description: "Prometheus encountered {{ $value }} TSDB head truncation failures\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.25. Prometheus TSDB reload failures

Prometheus encountered {{ $value }} TSDB reload failures [copy]

  - alert: PrometheusTsdbReloadFailures
    expr: increase(prometheus_tsdb_reloads_failures_total[1m]) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Prometheus TSDB reload failures (instance {{ $labels.instance }})
      description: "Prometheus encountered {{ $value }} TSDB reload failures\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.26. Prometheus TSDB WAL corruptions

Prometheus encountered {{ $value }} TSDB WAL corruptions [copy]

  - alert: PrometheusTsdbWalCorruptions
    expr: increase(prometheus_tsdb_wal_corruptions_total[1m]) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Prometheus TSDB WAL corruptions (instance {{ $labels.instance }})
      description: "Prometheus encountered {{ $value }} TSDB WAL corruptions\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.27. Prometheus TSDB WAL truncations failed

Prometheus encountered {{ $value }} TSDB WAL truncation failures [copy]

  - alert: PrometheusTsdbWalTruncationsFailed
    expr: increase(prometheus_tsdb_wal_truncations_failed_total[1m]) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Prometheus TSDB WAL truncations failed (instance {{ $labels.instance }})
      description: "Prometheus encountered {{ $value }} TSDB WAL truncation failures\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.1.28. Prometheus timeseries cardinality

The "{{ $labels.name }}" timeseries cardinality is getting very high: {{ $value }} [copy]

  - alert: PrometheusTimeseriesCardinality
    expr: label_replace(count by(__name__) ({__name__=~".+"}), "name", "$1", "__name__", "(.+)") > 10000
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Prometheus timeseries cardinality (instance {{ $labels.instance }})
      description: "The \"{{ $labels.name }}\" timeseries cardinality is getting very high: {{ $value }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2. Host and hardware : node-exporter (38 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/host-and-hardware/node-exporter.yml

# 1.2.1. Host out of memory

Node memory is filling up (< 10% left) [copy]

  - alert: HostOutOfMemory
    expr: (node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes * 100 < 10) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host out of memory (instance {{ $labels.instance }})
      description: "Node memory is filling up (< 10% left)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.2. Host memory under memory pressure

The node is under heavy memory pressure. High rate of major page faults [copy]

  - alert: HostMemoryUnderMemoryPressure
    expr: (rate(node_vmstat_pgmajfault[1m]) > 1000) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host memory under memory pressure (instance {{ $labels.instance }})
      description: "The node is under heavy memory pressure. High rate of major page faults\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.3. Host Memory is underutilized

Node memory is < 20% for 1 week. Consider reducing memory space. (instance {{ $labels.instance }}) [copy]

  # You may want to increase the alert manager 'repeat_interval' for this type of alert to daily or weekly
  - alert: HostMemoryIsUnderutilized
    expr: (100 - (avg_over_time(node_memory_MemAvailable_bytes[30m]) / node_memory_MemTotal_bytes * 100) < 20) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 1w
    labels:
      severity: info
    annotations:
      summary: Host Memory is underutilized (instance {{ $labels.instance }})
      description: "Node memory is < 20% for 1 week. Consider reducing memory space. (instance {{ $labels.instance }})\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.4. Host unusual network throughput in

Host network interfaces are probably receiving too much data (> 100 MB/s) [copy]

  - alert: HostUnusualNetworkThroughputIn
    expr: (sum by (instance) (rate(node_network_receive_bytes_total[2m])) / 1024 / 1024 > 100) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Host unusual network throughput in (instance {{ $labels.instance }})
      description: "Host network interfaces are probably receiving too much data (> 100 MB/s)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.5. Host unusual network throughput out

Host network interfaces are probably sending too much data (> 100 MB/s) [copy]

  - alert: HostUnusualNetworkThroughputOut
    expr: (sum by (instance) (rate(node_network_transmit_bytes_total[2m])) / 1024 / 1024 > 100) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Host unusual network throughput out (instance {{ $labels.instance }})
      description: "Host network interfaces are probably sending too much data (> 100 MB/s)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.6. Host unusual disk read rate

Disk is probably reading too much data (> 50 MB/s) [copy]

  - alert: HostUnusualDiskReadRate
    expr: (sum by (instance) (rate(node_disk_read_bytes_total[2m])) / 1024 / 1024 > 50) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Host unusual disk read rate (instance {{ $labels.instance }})
      description: "Disk is probably reading too much data (> 50 MB/s)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.7. Host unusual disk write rate

Disk is probably writing too much data (> 50 MB/s) [copy]

  - alert: HostUnusualDiskWriteRate
    expr: (sum by (instance) (rate(node_disk_written_bytes_total[2m])) / 1024 / 1024 > 50) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host unusual disk write rate (instance {{ $labels.instance }})
      description: "Disk is probably writing too much data (> 50 MB/s)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.8. Host out of disk space

Disk is almost full (< 10% left) [copy]

  # Please add ignored mountpoints in node_exporter parameters like
  # "--collector.filesystem.ignored-mount-points=^/(sys|proc|dev|run)($|/)".
  # Same rule using "node_filesystem_free_bytes" will fire when disk fills for non-root users.
  - alert: HostOutOfDiskSpace
    expr: ((node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance, device, mountpoint) node_filesystem_readonly == 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host out of disk space (instance {{ $labels.instance }})
      description: "Disk is almost full (< 10% left)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.9. Host disk will fill in 24 hours

Filesystem is predicted to run out of space within the next 24 hours at current write rate [copy]

  # Please add ignored mountpoints in node_exporter parameters like
  # "--collector.filesystem.ignored-mount-points=^/(sys|proc|dev|run)($|/)".
  # Same rule using "node_filesystem_free_bytes" will fire when disk fills for non-root users.
  - alert: HostDiskWillFillIn24Hours
    expr: ((node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance, device, mountpoint) predict_linear(node_filesystem_avail_bytes{fstype!~"tmpfs"}[1h], 24 * 3600) < 0 and ON (instance, device, mountpoint) node_filesystem_readonly == 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host disk will fill in 24 hours (instance {{ $labels.instance }})
      description: "Filesystem is predicted to run out of space within the next 24 hours at current write rate\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.10. Host out of inodes

Disk is almost running out of available inodes (< 10% left) [copy]

  - alert: HostOutOfInodes
    expr: (node_filesystem_files_free{fstype!="msdosfs"} / node_filesystem_files{fstype!="msdosfs"} * 100 < 10 and ON (instance, device, mountpoint) node_filesystem_readonly == 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host out of inodes (instance {{ $labels.instance }})
      description: "Disk is almost running out of available inodes (< 10% left)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.11. Host filesystem device error

{{ $labels.instance }}: Device error with the {{ $labels.mountpoint }} filesystem [copy]

  - alert: HostFilesystemDeviceError
    expr: node_filesystem_device_error == 1
    for: 2m
    labels:
      severity: critical
    annotations:
      summary: Host filesystem device error (instance {{ $labels.instance }})
      description: "{{ $labels.instance }}: Device error with the {{ $labels.mountpoint }} filesystem\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.12. Host inodes will fill in 24 hours

Filesystem is predicted to run out of inodes within the next 24 hours at current write rate [copy]

  - alert: HostInodesWillFillIn24Hours
    expr: (node_filesystem_files_free{fstype!="msdosfs"} / node_filesystem_files{fstype!="msdosfs"} * 100 < 10 and predict_linear(node_filesystem_files_free{fstype!="msdosfs"}[1h], 24 * 3600) < 0 and ON (instance, device, mountpoint) node_filesystem_readonly{fstype!="msdosfs"} == 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host inodes will fill in 24 hours (instance {{ $labels.instance }})
      description: "Filesystem is predicted to run out of inodes within the next 24 hours at current write rate\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.13. Host unusual disk read latency

Disk latency is growing (read operations > 100ms) [copy]

  - alert: HostUnusualDiskReadLatency
    expr: (rate(node_disk_read_time_seconds_total[1m]) / rate(node_disk_reads_completed_total[1m]) > 0.1 and rate(node_disk_reads_completed_total[1m]) > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host unusual disk read latency (instance {{ $labels.instance }})
      description: "Disk latency is growing (read operations > 100ms)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.14. Host unusual disk write latency

Disk latency is growing (write operations > 100ms) [copy]

  - alert: HostUnusualDiskWriteLatency
    expr: (rate(node_disk_write_time_seconds_total[1m]) / rate(node_disk_writes_completed_total[1m]) > 0.1 and rate(node_disk_writes_completed_total[1m]) > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host unusual disk write latency (instance {{ $labels.instance }})
      description: "Disk latency is growing (write operations > 100ms)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.15. Host high CPU load

CPU load is > 80% [copy]

  - alert: HostHighCpuLoad
    expr: (sum by (instance) (avg by (mode, instance) (rate(node_cpu_seconds_total{mode!="idle"}[2m]))) > 0.8) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 10m
    labels:
      severity: warning
    annotations:
      summary: Host high CPU load (instance {{ $labels.instance }})
      description: "CPU load is > 80%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.16. Host CPU is underutilized

CPU load is < 20% for 1 week. Consider reducing the number of CPUs. [copy]

  # You may want to increase the alert manager 'repeat_interval' for this type of alert to daily or weekly
  - alert: HostCpuIsUnderutilized
    expr: (100 - (rate(node_cpu_seconds_total{mode="idle"}[30m]) * 100) < 20) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 1w
    labels:
      severity: info
    annotations:
      summary: Host CPU is underutilized (instance {{ $labels.instance }})
      description: "CPU load is < 20% for 1 week. Consider reducing the number of CPUs.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.17. Host CPU steal noisy neighbor

CPU steal is > 10%. A noisy neighbor is killing VM performances or a spot instance may be out of credit. [copy]

  - alert: HostCpuStealNoisyNeighbor
    expr: (avg by(instance) (rate(node_cpu_seconds_total{mode="steal"}[5m])) * 100 > 10) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host CPU steal noisy neighbor (instance {{ $labels.instance }})
      description: "CPU steal is > 10%. A noisy neighbor is killing VM performances or a spot instance may be out of credit.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.18. Host CPU high iowait

CPU iowait > 10%. A high iowait means that you are disk or network bound. [copy]

  - alert: HostCpuHighIowait
    expr: (avg by (instance) (rate(node_cpu_seconds_total{mode="iowait"}[5m])) * 100 > 10) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host CPU high iowait (instance {{ $labels.instance }})
      description: "CPU iowait > 10%. A high iowait means that you are disk or network bound.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.19. Host unusual disk IO

Time spent in IO is too high on {{ $labels.instance }}. Check storage for issues. [copy]

  - alert: HostUnusualDiskIo
    expr: (rate(node_disk_io_time_seconds_total[1m]) > 0.5) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Host unusual disk IO (instance {{ $labels.instance }})
      description: "Time spent in IO is too high on {{ $labels.instance }}. Check storage for issues.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.20. Host context switching high

Context switching is growing on the node (twice the daily average during the last 15m) [copy]

  # x2 context switches is an arbitrary number.
  # The alert threshold depends on the nature of the application.
  # Please read: https://github.com/samber/awesome-prometheus-alerts/issues/58
  - alert: HostContextSwitchingHigh
    expr: (rate(node_context_switches_total[15m])/count without(mode,cpu) (node_cpu_seconds_total{mode="idle"})) / (rate(node_context_switches_total[1d])/count without(mode,cpu) (node_cpu_seconds_total{mode="idle"})) > 2
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host context switching high (instance {{ $labels.instance }})
      description: "Context switching is growing on the node (twice the daily average during the last 15m)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.21. Host swap is filling up

Swap is filling up (>80%) [copy]

  - alert: HostSwapIsFillingUp
    expr: ((1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) * 100 > 80) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host swap is filling up (instance {{ $labels.instance }})
      description: "Swap is filling up (>80%)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.22. Host systemd service crashed

systemd service crashed [copy]

  - alert: HostSystemdServiceCrashed
    expr: (node_systemd_unit_state{state="failed"} == 1) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host systemd service crashed (instance {{ $labels.instance }})
      description: "systemd service crashed\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.23. Host physical component too hot

Physical hardware component too hot [copy]

  - alert: HostPhysicalComponentTooHot
    expr: ((node_hwmon_temp_celsius * ignoring(label) group_left(instance, job, node, sensor) node_hwmon_sensor_label{label!="tctl"} > 75)) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Host physical component too hot (instance {{ $labels.instance }})
      description: "Physical hardware component too hot\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.24. Host node overtemperature alarm

Physical node temperature alarm triggered [copy]

  - alert: HostNodeOvertemperatureAlarm
    expr: ((node_hwmon_temp_crit_alarm_celsius == 1) or (node_hwmon_temp_alarm == 1)) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Host node overtemperature alarm (instance {{ $labels.instance }})
      description: "Physical node temperature alarm triggered\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.25. Host RAID array got inactive

RAID array {{ $labels.device }} is in a degraded state due to one or more disk failures. The number of spare drives is insufficient to fix the issue automatically. [copy]

  - alert: HostRaidArrayGotInactive
    expr: (node_md_state{state="inactive"} > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Host RAID array got inactive (instance {{ $labels.instance }})
      description: "RAID array {{ $labels.device }} is in a degraded state due to one or more disk failures. The number of spare drives is insufficient to fix the issue automatically.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.26. Host RAID disk failure

At least one device in RAID array on {{ $labels.instance }} failed. Array {{ $labels.md_device }} needs attention and possibly a disk swap [copy]

  - alert: HostRaidDiskFailure
    expr: (node_md_disks{state="failed"} > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host RAID disk failure (instance {{ $labels.instance }})
      description: "At least one device in RAID array on {{ $labels.instance }} failed. Array {{ $labels.md_device }} needs attention and possibly a disk swap\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.27. Host kernel version deviations

Different kernel versions are running [copy]

  - alert: HostKernelVersionDeviations
    expr: (count(sum(label_replace(node_uname_info, "kernel", "$1", "release", "([0-9]+.[0-9]+.[0-9]+).*")) by (kernel)) > 1) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 6h
    labels:
      severity: warning
    annotations:
      summary: Host kernel version deviations (instance {{ $labels.instance }})
      description: "Different kernel versions are running\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.28. Host OOM kill detected

OOM kill detected [copy]

  - alert: HostOomKillDetected
    expr: (increase(node_vmstat_oom_kill[1m]) > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host OOM kill detected (instance {{ $labels.instance }})
      description: "OOM kill detected\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.29. Host EDAC Correctable Errors detected

Host {{ $labels.instance }} has had {{ printf "%.0f" $value }} correctable memory errors reported by EDAC in the last 5 minutes. [copy]

  - alert: HostEdacCorrectableErrorsDetected
    expr: (increase(node_edac_correctable_errors_total[1m]) > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 0m
    labels:
      severity: info
    annotations:
      summary: Host EDAC Correctable Errors detected (instance {{ $labels.instance }})
      description: "Host {{ $labels.instance }} has had {{ printf \"%.0f\" $value }} correctable memory errors reported by EDAC in the last 5 minutes.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.30. Host EDAC Uncorrectable Errors detected

Host {{ $labels.instance }} has had {{ printf "%.0f" $value }} uncorrectable memory errors reported by EDAC in the last 5 minutes. [copy]

  - alert: HostEdacUncorrectableErrorsDetected
    expr: (node_edac_uncorrectable_errors_total > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host EDAC Uncorrectable Errors detected (instance {{ $labels.instance }})
      description: "Host {{ $labels.instance }} has had {{ printf \"%.0f\" $value }} uncorrectable memory errors reported by EDAC in the last 5 minutes.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.31. Host Network Receive Errors

Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }} receive errors in the last two minutes. [copy]

  - alert: HostNetworkReceiveErrors
    expr: (rate(node_network_receive_errs_total[2m]) / rate(node_network_receive_packets_total[2m]) > 0.01) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host Network Receive Errors (instance {{ $labels.instance }})
      description: "Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf \"%.0f\" $value }} receive errors in the last two minutes.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.32. Host Network Transmit Errors

Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }} transmit errors in the last two minutes. [copy]

  - alert: HostNetworkTransmitErrors
    expr: (rate(node_network_transmit_errs_total[2m]) / rate(node_network_transmit_packets_total[2m]) > 0.01) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host Network Transmit Errors (instance {{ $labels.instance }})
      description: "Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf \"%.0f\" $value }} transmit errors in the last two minutes.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.33. Host Network Interface Saturated

The network interface "{{ $labels.device }}" on "{{ $labels.instance }}" is getting overloaded. [copy]

  - alert: HostNetworkInterfaceSaturated
    expr: ((rate(node_network_receive_bytes_total{device!~"^tap.*|^vnet.*|^veth.*|^tun.*"}[1m]) + rate(node_network_transmit_bytes_total{device!~"^tap.*|^vnet.*|^veth.*|^tun.*"}[1m])) / node_network_speed_bytes{device!~"^tap.*|^vnet.*|^veth.*|^tun.*"} > 0.8 < 10000) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 1m
    labels:
      severity: warning
    annotations:
      summary: Host Network Interface Saturated (instance {{ $labels.instance }})
      description: "The network interface \"{{ $labels.device }}\" on \"{{ $labels.instance }}\" is getting overloaded.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.34. Host Network Bond Degraded

Bond "{{ $labels.device }}" degraded on "{{ $labels.instance }}". [copy]

  - alert: HostNetworkBondDegraded
    expr: ((node_bonding_active - node_bonding_slaves) != 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host Network Bond Degraded (instance {{ $labels.instance }})
      description: "Bond \"{{ $labels.device }}\" degraded on \"{{ $labels.instance }}\".\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.35. Host conntrack limit

The number of conntrack is approaching limit [copy]

  - alert: HostConntrackLimit
    expr: (node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 0.8) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Host conntrack limit (instance {{ $labels.instance }})
      description: "The number of conntrack is approaching limit\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.36. Host clock skew

Clock skew detected. Clock is out of sync. Ensure NTP is configured correctly on this host. [copy]

  - alert: HostClockSkew
    expr: ((node_timex_offset_seconds > 0.05 and deriv(node_timex_offset_seconds[5m]) >= 0) or (node_timex_offset_seconds < -0.05 and deriv(node_timex_offset_seconds[5m]) <= 0)) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 10m
    labels:
      severity: warning
    annotations:
      summary: Host clock skew (instance {{ $labels.instance }})
      description: "Clock skew detected. Clock is out of sync. Ensure NTP is configured correctly on this host.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.37. Host clock not synchronising

Clock not synchronising. Ensure NTP is configured on this host. [copy]

  - alert: HostClockNotSynchronising
    expr: (min_over_time(node_timex_sync_status[1m]) == 0 and node_timex_maxerror_seconds >= 16) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host clock not synchronising (instance {{ $labels.instance }})
      description: "Clock not synchronising. Ensure NTP is configured on this host.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.2.38. Host requires reboot

{{ $labels.instance }} requires a reboot. [copy]

  - alert: HostRequiresReboot
    expr: (node_reboot_required > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
    for: 4h
    labels:
      severity: info
    annotations:
      summary: Host requires reboot (instance {{ $labels.instance }})
      description: "{{ $labels.instance }} requires a reboot.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.3. S.M.A.R.T Device Monitoring : smartctl-exporter (5 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/s.m.a.r.t-device-monitoring/smartctl-exporter.yml

# 1.3.1. Smart device temperature warning

Device temperature warning (instance {{ $labels.instance }}) [copy]

  - alert: SmartDeviceTemperatureWarning
    expr: smartctl_device_temperature > 60
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Smart device temperature warning (instance {{ $labels.instance }})
      description: "Device temperature  warning (instance {{ $labels.instance }})\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.3.2. Smart device temperature critical

Device temperature critical (instance {{ $labels.instance }}) [copy]

  - alert: SmartDeviceTemperatureCritical
    expr: smartctl_device_temperature > 80
    for: 2m
    labels:
      severity: critical
    annotations:
      summary: Smart device temperature critical (instance {{ $labels.instance }})
      description: "Device temperature critical  (instance {{ $labels.instance }})\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.3.3. Smart critical warning

device has critical warning (instance {{ $labels.instance }}) [copy]

  - alert: SmartCriticalWarning
    expr: smartctl_device_critical_warning > 0
    for: 15m
    labels:
      severity: critical
    annotations:
      summary: Smart critical warning (instance {{ $labels.instance }})
      description: "device has critical warning (instance {{ $labels.instance }})\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.3.4. Smart media errors

device has media errors (instance {{ $labels.instance }}) [copy]

  - alert: SmartMediaErrors
    expr: smartctl_device_media_errors > 0
    for: 15m
    labels:
      severity: critical
    annotations:
      summary: Smart media errors (instance {{ $labels.instance }})
      description: "device has media errors (instance {{ $labels.instance }})\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.3.5. Smart NVME Wearout Indicator

NVMe device is wearing out (instance {{ $labels.instance }}) [copy]

  - alert: SmartNvmeWearoutIndicator
    expr: smartctl_device_available_spare{device=~"nvme.*"} < smartctl_device_available_spare_threshold{device=~"nvme.*"}
    for: 15m
    labels:
      severity: critical
    annotations:
      summary: Smart NVME Wearout Indicator (instance {{ $labels.instance }})
      description: "NVMe device is wearing out (instance {{ $labels.instance }})\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.4. Docker containers : google/cAdvisor (8 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/docker-containers/google-cadvisor.yml

# 1.4.1. Container killed

A container has disappeared [copy]

  # This rule can be very noisy in dynamic infra with legitimate container start/stop/deployment.
  - alert: ContainerKilled
    expr: time() - container_last_seen > 60
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Container killed (instance {{ $labels.instance }})
      description: "A container has disappeared\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.4.2. Container absent

A container is absent for 5 min [copy]

  # This rule can be very noisy in dynamic infra with legitimate container start/stop/deployment.
  - alert: ContainerAbsent
    expr: absent(container_last_seen)
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Container absent (instance {{ $labels.instance }})
      description: "A container is absent for 5 min\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.4.3. Container High CPU utilization

Container CPU utilization is above 80% [copy]

  - alert: ContainerHighCpuUtilization
    expr: (sum(rate(container_cpu_usage_seconds_total{container!=""}[5m])) by (pod, container) / sum(container_spec_cpu_quota{container!=""}/container_spec_cpu_period{container!=""}) by (pod, container) * 100) > 80
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Container High CPU utilization (instance {{ $labels.instance }})
      description: "Container CPU utilization is above 80%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.4.4. Container High Memory usage

Container Memory usage is above 80% [copy]

  # See https://medium.com/faun/how-much-is-too-much-the-linux-oomkiller-and-used-memory-d32186f29c9d
  - alert: ContainerHighMemoryUsage
    expr: (sum(container_memory_working_set_bytes{name!=""}) BY (instance, name) / sum(container_spec_memory_limit_bytes > 0) BY (instance, name) * 100) > 80
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Container High Memory usage (instance {{ $labels.instance }})
      description: "Container Memory usage is above 80%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.4.5. Container Volume usage

Container Volume usage is above 80% [copy]

  - alert: ContainerVolumeUsage
    expr: (1 - (sum(container_fs_inodes_free{name!=""}) BY (instance) / sum(container_fs_inodes_total) BY (instance))) * 100 > 80
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Container Volume usage (instance {{ $labels.instance }})
      description: "Container Volume usage is above 80%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.4.6. Container high throttle rate

Container is being throttled [copy]

  - alert: ContainerHighThrottleRate
    expr: sum(increase(container_cpu_cfs_throttled_periods_total{container!=""}[5m])) by (container, pod, namespace) / sum(increase(container_cpu_cfs_periods_total[5m])) by (container, pod, namespace) > ( 25 / 100 )
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Container high throttle rate (instance {{ $labels.instance }})
      description: "Container is being throttled\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.4.7. Container Low CPU utilization

Container CPU utilization is under 20% for 1 week. Consider reducing the allocated CPU. [copy]

  - alert: ContainerLowCpuUtilization
    expr: (sum(rate(container_cpu_usage_seconds_total{container!=""}[5m])) by (pod, container) / sum(container_spec_cpu_quota{container!=""}/container_spec_cpu_period{container!=""}) by (pod, container) * 100) < 20
    for: 7d
    labels:
      severity: info
    annotations:
      summary: Container Low CPU utilization (instance {{ $labels.instance }})
      description: "Container CPU utilization is under 20% for 1 week. Consider reducing the allocated CPU.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.4.8. Container Low Memory usage

Container Memory usage is under 20% for 1 week. Consider reducing the allocated memory. [copy]

  - alert: ContainerLowMemoryUsage
    expr: (sum(container_memory_working_set_bytes{name!=""}) BY (instance, name) / sum(container_spec_memory_limit_bytes > 0) BY (instance, name) * 100) < 20
    for: 7d
    labels:
      severity: info
    annotations:
      summary: Container Low Memory usage (instance {{ $labels.instance }})
      description: "Container Memory usage is under 20% for 1 week. Consider reducing the allocated memory.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.5. Blackbox : prometheus/blackbox_exporter (9 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/blackbox/blackbox-exporter.yml

# 1.5.1. Blackbox probe failed

Probe failed [copy]

  - alert: BlackboxProbeFailed
    expr: probe_success == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Blackbox probe failed (instance {{ $labels.instance }})
      description: "Probe failed\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.5.2. Blackbox configuration reload failure

Blackbox configuration reload failure [copy]

  - alert: BlackboxConfigurationReloadFailure
    expr: blackbox_exporter_config_last_reload_successful != 1
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Blackbox configuration reload failure (instance {{ $labels.instance }})
      description: "Blackbox configuration reload failure\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.5.3. Blackbox slow probe

Blackbox probe took more than 1s to complete [copy]

  - alert: BlackboxSlowProbe
    expr: avg_over_time(probe_duration_seconds[1m]) > 1
    for: 1m
    labels:
      severity: warning
    annotations:
      summary: Blackbox slow probe (instance {{ $labels.instance }})
      description: "Blackbox probe took more than 1s to complete\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.5.4. Blackbox probe HTTP failure

HTTP status code is not 200-399 [copy]

  - alert: BlackboxProbeHttpFailure
    expr: probe_http_status_code <= 199 OR probe_http_status_code >= 400
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Blackbox probe HTTP failure (instance {{ $labels.instance }})
      description: "HTTP status code is not 200-399\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.5.5. Blackbox SSL certificate will expire soon

SSL certificate expires in less than 20 days [copy]

  - alert: BlackboxSslCertificateWillExpireSoon
    expr: 3 <= round((last_over_time(probe_ssl_earliest_cert_expiry[10m]) - time()) / 86400, 0.1) < 20
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Blackbox SSL certificate will expire soon (instance {{ $labels.instance }})
      description: "SSL certificate expires in less than 20 days\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.5.6. Blackbox SSL certificate will expire soon

SSL certificate expires in less than 3 days [copy]

  - alert: BlackboxSslCertificateWillExpireSoon
    expr: 0 <= round((last_over_time(probe_ssl_earliest_cert_expiry[10m]) - time()) / 86400, 0.1) < 3
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Blackbox SSL certificate will expire soon (instance {{ $labels.instance }})
      description: "SSL certificate expires in less than 3 days\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.5.7. Blackbox SSL certificate expired

SSL certificate has expired already [copy]

  # For probe_ssl_earliest_cert_expiry to be exposed after expiration, you
  # need to enable insecure_skip_verify. Note that this will disable
  # certificate validation.
  # See https://github.com/prometheus/blackbox_exporter/blob/master/CONFIGURATION.md#tls_config
  - alert: BlackboxSslCertificateExpired
    expr: round((last_over_time(probe_ssl_earliest_cert_expiry[10m]) - time()) / 86400, 0.1) < 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Blackbox SSL certificate expired (instance {{ $labels.instance }})
      description: "SSL certificate has expired already\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.5.8. Blackbox probe slow HTTP

HTTP request took more than 1s [copy]

  - alert: BlackboxProbeSlowHttp
    expr: avg_over_time(probe_http_duration_seconds[1m]) > 1
    for: 1m
    labels:
      severity: warning
    annotations:
      summary: Blackbox probe slow HTTP (instance {{ $labels.instance }})
      description: "HTTP request took more than 1s\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.5.9. Blackbox probe slow ping

Blackbox ping took more than 1s [copy]

  - alert: BlackboxProbeSlowPing
    expr: avg_over_time(probe_icmp_duration_seconds[1m]) > 1
    for: 1m
    labels:
      severity: warning
    annotations:
      summary: Blackbox probe slow ping (instance {{ $labels.instance }})
      description: "Blackbox ping took more than 1s\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.6. Windows Server : prometheus-community/windows_exporter (5 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/windows-server/windows-exporter.yml

# 1.6.1. Windows Server collector Error

Collector {{ $labels.collector }} was not successful [copy]

  - alert: WindowsServerCollectorError
    expr: windows_exporter_collector_success == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Windows Server collector Error (instance {{ $labels.instance }})
      description: "Collector {{ $labels.collector }} was not successful\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.6.2. Windows Server service Status

Windows Service state is not OK [copy]

  - alert: WindowsServerServiceStatus
    expr: windows_service_status{status="ok"} != 1
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: Windows Server service Status (instance {{ $labels.instance }})
      description: "Windows Service state is not OK\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.6.3. Windows Server CPU Usage

CPU Usage is more than 80% [copy]

  - alert: WindowsServerCpuUsage
    expr: 100 - (avg by (instance) (rate(windows_cpu_time_total{mode="idle"}[2m])) * 100) > 80
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Windows Server CPU Usage (instance {{ $labels.instance }})
      description: "CPU Usage is more than 80%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.6.4. Windows Server memory Usage

Memory usage is more than 90% [copy]

  - alert: WindowsServerMemoryUsage
    expr: 100 - ((windows_os_physical_memory_free_bytes / windows_cs_physical_memory_bytes) * 100) > 90
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Windows Server memory Usage (instance {{ $labels.instance }})
      description: "Memory usage is more than 90%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.6.5. Windows Server disk Space Usage

Disk usage is more than 80% [copy]

  - alert: WindowsServerDiskSpaceUsage
    expr: 100.0 - 100 * ((windows_logical_disk_free_bytes / 1024 / 1024 ) / (windows_logical_disk_size_bytes / 1024 / 1024)) > 80
    for: 2m
    labels:
      severity: critical
    annotations:
      summary: Windows Server disk Space Usage (instance {{ $labels.instance }})
      description: "Disk usage is more than 80%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.7. VMware : pryorda/vmware_exporter (4 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/vmware/pryorda-vmware-exporter.yml

# 1.7.1. Virtual Machine Memory Warning

High memory usage on {{ $labels.instance }}: {{ $value | printf "%.2f"}}% [copy]

  - alert: VirtualMachineMemoryWarning
    expr: vmware_vm_mem_usage_average / 100 >= 80 and vmware_vm_mem_usage_average / 100 < 90
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Virtual Machine Memory Warning (instance {{ $labels.instance }})
      description: "High memory usage on {{ $labels.instance }}: {{ $value | printf \"%.2f\"}}%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.7.2. Virtual Machine Memory Critical

High memory usage on {{ $labels.instance }}: {{ $value | printf "%.2f"}}% [copy]

  - alert: VirtualMachineMemoryCritical
    expr: vmware_vm_mem_usage_average / 100 >= 90
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: Virtual Machine Memory Critical (instance {{ $labels.instance }})
      description: "High memory usage on {{ $labels.instance }}: {{ $value | printf \"%.2f\"}}%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.7.3. High Number of Snapshots

High snapshots number on {{ $labels.instance }}: {{ $value }} [copy]

  - alert: HighNumberOfSnapshots
    expr: vmware_vm_snapshots > 3
    for: 30m
    labels:
      severity: warning
    annotations:
      summary: High Number of Snapshots (instance {{ $labels.instance }})
      description: "High snapshots number on {{ $labels.instance }}: {{ $value }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.7.4. Outdated Snapshots

Outdated snapshots on {{ $labels.instance }}: {{ $value | printf "%.0f"}} days [copy]

  - alert: OutdatedSnapshots
    expr: (time() - vmware_vm_snapshot_timestamp_seconds) / (60 * 60 * 24) >= 3
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Outdated Snapshots (instance {{ $labels.instance }})
      description: "Outdated snapshots on {{ $labels.instance }}: {{ $value | printf \"%.0f\"}} days\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.8. Netdata : Embedded exporter (9 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/netdata/embedded-exporter.yml

# 1.8.1. Netdata high cpu usage

Netdata high CPU usage (> 80%) [copy]

  - alert: NetdataHighCpuUsage
    expr: rate(netdata_cpu_cpu_percentage_average{dimension="idle"}[1m]) > 80
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Netdata high cpu usage (instance {{ $labels.instance }})
      description: "Netdata high CPU usage (> 80%)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.8.2. Host CPU steal noisy neighbor

CPU steal is > 10%. A noisy neighbor is killing VM performances or a spot instance may be out of credit. [copy]

  - alert: HostCpuStealNoisyNeighbor
    expr: rate(netdata_cpu_cpu_percentage_average{dimension="steal"}[1m]) > 10
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Host CPU steal noisy neighbor (instance {{ $labels.instance }})
      description: "CPU steal is > 10%. A noisy neighbor is killing VM performances or a spot instance may be out of credit.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.8.3. Netdata high memory usage

Netdata high memory usage (> 80%) [copy]

  - alert: NetdataHighMemoryUsage
    expr: 100 / netdata_system_ram_MiB_average * netdata_system_ram_MiB_average{dimension=~"free|cached"} < 20
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Netdata high memory usage (instance {{ $labels.instance }})
      description: "Netdata high memory usage (> 80%)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.8.4. Netdata low disk space

Netdata low disk space (> 80%) [copy]

  - alert: NetdataLowDiskSpace
    expr: 100 / netdata_disk_space_GB_average * netdata_disk_space_GB_average{dimension=~"avail|cached"} < 20
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Netdata low disk space (instance {{ $labels.instance }})
      description: "Netdata low disk space (> 80%)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.8.5. Netdata predicted disk full

Netdata predicted disk full in 24 hours [copy]

  - alert: NetdataPredictedDiskFull
    expr: predict_linear(netdata_disk_space_GB_average{dimension=~"avail|cached"}[3h], 24 * 3600) < 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Netdata predicted disk full (instance {{ $labels.instance }})
      description: "Netdata predicted disk full in 24 hours\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.8.6. Netdata MD mismatch cnt unsynchronized blocks

RAID Array have unsynchronized blocks [copy]

  - alert: NetdataMdMismatchCntUnsynchronizedBlocks
    expr: netdata_md_mismatch_cnt_unsynchronized_blocks_average > 1024
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Netdata MD mismatch cnt unsynchronized blocks (instance {{ $labels.instance }})
      description: "RAID Array have unsynchronized blocks\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.8.7. Netdata disk reallocated sectors

Reallocated sectors on disk [copy]

  - alert: NetdataDiskReallocatedSectors
    expr: increase(netdata_smartd_log_reallocated_sectors_count_sectors_average[1m]) > 0
    for: 0m
    labels:
      severity: info
    annotations:
      summary: Netdata disk reallocated sectors (instance {{ $labels.instance }})
      description: "Reallocated sectors on disk\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.8.8. Netdata disk current pending sector

Disk current pending sector [copy]

  - alert: NetdataDiskCurrentPendingSector
    expr: netdata_smartd_log_current_pending_sector_count_sectors_average > 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Netdata disk current pending sector (instance {{ $labels.instance }})
      description: "Disk current pending sector\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 1.8.9. Netdata reported uncorrectable disk sectors

Reported uncorrectable disk sectors [copy]

  - alert: NetdataReportedUncorrectableDiskSectors
    expr: increase(netdata_smartd_log_offline_uncorrectable_sector_count_sectors_average[2m]) > 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Netdata reported uncorrectable disk sectors (instance {{ $labels.instance }})
      description: "Reported uncorrectable disk sectors\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.1. MySQL : prometheus/mysqld_exporter (10 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/mysql/mysqld-exporter.yml

# 2.1.1. MySQL down

MySQL instance is down on {{ $labels.instance }} [copy]

  - alert: MysqlDown
    expr: mysql_up == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: MySQL down (instance {{ $labels.instance }})
      description: "MySQL instance is down on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.1.2. MySQL too many connections (> 80%)

More than 80% of MySQL connections are in use on {{ $labels.instance }} [copy]

  - alert: MysqlTooManyConnections(>80%)
    expr: max_over_time(mysql_global_status_threads_connected[1m]) / mysql_global_variables_max_connections * 100 > 80
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: MySQL too many connections (> 80%) (instance {{ $labels.instance }})
      description: "More than 80% of MySQL connections are in use on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.1.3. MySQL high prepared statements utilization (> 80%)

High utilization of prepared statements (>80%) on {{ $labels.instance }} [copy]

  - alert: MysqlHighPreparedStatementsUtilization(>80%)
    expr: max_over_time(mysql_global_status_prepared_stmt_count[1m]) / mysql_global_variables_max_prepared_stmt_count * 100 > 80
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: MySQL high prepared statements utilization (> 80%) (instance {{ $labels.instance }})
      description: "High utilization of prepared statements (>80%) on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.1.4. MySQL high threads running

More than 60% of MySQL connections are in running state on {{ $labels.instance }} [copy]

  - alert: MysqlHighThreadsRunning
    expr: max_over_time(mysql_global_status_threads_running[1m]) / mysql_global_variables_max_connections * 100 > 60
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: MySQL high threads running (instance {{ $labels.instance }})
      description: "More than 60% of MySQL connections are in running state on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.1.5. MySQL Slave IO thread not running

MySQL Slave IO thread not running on {{ $labels.instance }} [copy]

  - alert: MysqlSlaveIoThreadNotRunning
    expr: ( mysql_slave_status_slave_io_running and ON (instance) mysql_slave_status_master_server_id > 0 ) == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: MySQL Slave IO thread not running (instance {{ $labels.instance }})
      description: "MySQL Slave IO thread not running on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.1.6. MySQL Slave SQL thread not running

MySQL Slave SQL thread not running on {{ $labels.instance }} [copy]

  - alert: MysqlSlaveSqlThreadNotRunning
    expr: ( mysql_slave_status_slave_sql_running and ON (instance) mysql_slave_status_master_server_id > 0) == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: MySQL Slave SQL thread not running (instance {{ $labels.instance }})
      description: "MySQL Slave SQL thread not running on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.1.7. MySQL Slave replication lag

MySQL replication lag on {{ $labels.instance }} [copy]

  - alert: MysqlSlaveReplicationLag
    expr: ( (mysql_slave_status_seconds_behind_master - mysql_slave_status_sql_delay) and ON (instance) mysql_slave_status_master_server_id > 0 ) > 30
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: MySQL Slave replication lag (instance {{ $labels.instance }})
      description: "MySQL replication lag on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.1.8. MySQL slow queries

MySQL server mysql has some new slow query. [copy]

  - alert: MysqlSlowQueries
    expr: increase(mysql_global_status_slow_queries[1m]) > 0
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: MySQL slow queries (instance {{ $labels.instance }})
      description: "MySQL server mysql has some new slow query.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.1.9. MySQL InnoDB log waits

MySQL innodb log writes stalling [copy]

  - alert: MysqlInnodbLogWaits
    expr: rate(mysql_global_status_innodb_log_waits[15m]) > 10
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: MySQL InnoDB log waits (instance {{ $labels.instance }})
      description: "MySQL innodb log writes stalling\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.1.10. MySQL restarted

MySQL has just been restarted, less than one minute ago on {{ $labels.instance }}. [copy]

  - alert: MysqlRestarted
    expr: mysql_global_status_uptime < 60
    for: 0m
    labels:
      severity: info
    annotations:
      summary: MySQL restarted (instance {{ $labels.instance }})
      description: "MySQL has just been restarted, less than one minute ago on {{ $labels.instance }}.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2. PostgreSQL : prometheus-community/postgres_exporter (21 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/postgresql/postgres-exporter.yml

# 2.2.1. Postgresql down

Postgresql instance is down [copy]

  - alert: PostgresqlDown
    expr: pg_up == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Postgresql down (instance {{ $labels.instance }})
      description: "Postgresql instance is down\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.2. Postgresql restarted

Postgresql restarted [copy]

  - alert: PostgresqlRestarted
    expr: time() - pg_postmaster_start_time_seconds < 60
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Postgresql restarted (instance {{ $labels.instance }})
      description: "Postgresql restarted\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.3. Postgresql exporter error

Postgresql exporter is showing errors. A query may be buggy in query.yaml [copy]

  - alert: PostgresqlExporterError
    expr: pg_exporter_last_scrape_error > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Postgresql exporter error (instance {{ $labels.instance }})
      description: "Postgresql exporter is showing errors. A query may be buggy in query.yaml\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.4. Postgresql table not auto vacuumed

Table {{ $labels.relname }} has not been auto vacuumed for 10 days [copy]

  - alert: PostgresqlTableNotAutoVacuumed
    expr: (pg_stat_user_tables_last_autovacuum > 0) and (time() - pg_stat_user_tables_last_autovacuum) > 60 * 60 * 24 * 10
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Postgresql table not auto vacuumed (instance {{ $labels.instance }})
      description: "Table {{ $labels.relname }} has not been auto vacuumed for 10 days\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.5. Postgresql table not auto analyzed

Table {{ $labels.relname }} has not been auto analyzed for 10 days [copy]

  - alert: PostgresqlTableNotAutoAnalyzed
    expr: (pg_stat_user_tables_last_autoanalyze > 0) and (time() - pg_stat_user_tables_last_autoanalyze) > 24 * 60 * 60 * 10
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Postgresql table not auto analyzed (instance {{ $labels.instance }})
      description: "Table {{ $labels.relname }} has not been auto analyzed for 10 days\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.6. Postgresql too many connections

PostgreSQL instance has too many connections (> 80%). [copy]

  - alert: PostgresqlTooManyConnections
    expr: sum by (instance, job, server) (pg_stat_activity_count) > min by (instance, job, server) (pg_settings_max_connections * 0.8)
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Postgresql too many connections (instance {{ $labels.instance }})
      description: "PostgreSQL instance has too many connections (> 80%).\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.7. Postgresql not enough connections

PostgreSQL instance should have more connections (> 5) [copy]

  - alert: PostgresqlNotEnoughConnections
    expr: sum by (datname) (pg_stat_activity_count{datname!~"template.*|postgres"}) < 5
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Postgresql not enough connections (instance {{ $labels.instance }})
      description: "PostgreSQL instance should have more connections (> 5)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.8. Postgresql dead locks

PostgreSQL has dead-locks [copy]

  - alert: PostgresqlDeadLocks
    expr: increase(pg_stat_database_deadlocks{datname!~"template.*|postgres"}[1m]) > 5
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Postgresql dead locks (instance {{ $labels.instance }})
      description: "PostgreSQL has dead-locks\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.9. Postgresql high rollback rate

Ratio of transactions being aborted compared to committed is > 2 % [copy]

  - alert: PostgresqlHighRollbackRate
    expr: sum by (namespace,datname) ((rate(pg_stat_database_xact_rollback{datname!~"template.*|postgres",datid!="0"}[3m])) / ((rate(pg_stat_database_xact_rollback{datname!~"template.*|postgres",datid!="0"}[3m])) + (rate(pg_stat_database_xact_commit{datname!~"template.*|postgres",datid!="0"}[3m])))) > 0.02
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Postgresql high rollback rate (instance {{ $labels.instance }})
      description: "Ratio of transactions being aborted compared to committed is > 2 %\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.10. Postgresql commit rate low

Postgresql seems to be processing very few transactions [copy]

  - alert: PostgresqlCommitRateLow
    expr: rate(pg_stat_database_xact_commit[1m]) < 10
    for: 2m
    labels:
      severity: critical
    annotations:
      summary: Postgresql commit rate low (instance {{ $labels.instance }})
      description: "Postgresql seems to be processing very few transactions\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.11. Postgresql low XID consumption

Postgresql seems to be consuming transaction IDs very slowly [copy]

  - alert: PostgresqlLowXidConsumption
    expr: rate(pg_txid_current[1m]) < 5
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Postgresql low XID consumption (instance {{ $labels.instance }})
      description: "Postgresql seems to be consuming transaction IDs very slowly\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.12. Postgresql high rate statement timeout

Postgres transactions showing high rate of statement timeouts [copy]

  - alert: PostgresqlHighRateStatementTimeout
    expr: rate(postgresql_errors_total{type="statement_timeout"}[1m]) > 3
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Postgresql high rate statement timeout (instance {{ $labels.instance }})
      description: "Postgres transactions showing high rate of statement timeouts\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.13. Postgresql high rate deadlock

Postgres detected deadlocks [copy]

  - alert: PostgresqlHighRateDeadlock
    expr: increase(postgresql_errors_total{type="deadlock_detected"}[1m]) > 1
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Postgresql high rate deadlock (instance {{ $labels.instance }})
      description: "Postgres detected deadlocks\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.14. Postgresql unused replication slot

Unused Replication Slots [copy]

  - alert: PostgresqlUnusedReplicationSlot
    expr: pg_replication_slots_active == 0
    for: 1m
    labels:
      severity: warning
    annotations:
      summary: Postgresql unused replication slot (instance {{ $labels.instance }})
      description: "Unused Replication Slots\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.15. Postgresql too many dead tuples

PostgreSQL dead tuples is too large [copy]

  - alert: PostgresqlTooManyDeadTuples
    expr: ((pg_stat_user_tables_n_dead_tup > 10000) / (pg_stat_user_tables_n_live_tup + pg_stat_user_tables_n_dead_tup)) >= 0.1
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Postgresql too many dead tuples (instance {{ $labels.instance }})
      description: "PostgreSQL dead tuples is too large\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.16. Postgresql configuration changed

Postgres Database configuration change has occurred [copy]

  - alert: PostgresqlConfigurationChanged
    expr: {__name__=~"pg_settings_.*"} != ON(__name__, instance) {__name__=~"pg_settings_([^t]|t[^r]|tr[^a]|tra[^n]|tran[^s]|trans[^a]|transa[^c]|transac[^t]|transact[^i]|transacti[^o]|transactio[^n]|transaction[^_]|transaction_[^r]|transaction_r[^e]|transaction_re[^a]|transaction_rea[^d]|transaction_read[^_]|transaction_read_[^o]|transaction_read_o[^n]|transaction_read_on[^l]|transaction_read_onl[^y]).*"} OFFSET 5m
    for: 0m
    labels:
      severity: info
    annotations:
      summary: Postgresql configuration changed (instance {{ $labels.instance }})
      description: "Postgres Database configuration change has occurred\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.17. Postgresql SSL compression active

Database connections with SSL compression enabled. This may add significant jitter in replication delay. Replicas should turn off SSL compression via `sslcompression=0` in `recovery.conf`. [copy]

  - alert: PostgresqlSslCompressionActive
    expr: sum(pg_stat_ssl_compression) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Postgresql SSL compression active (instance {{ $labels.instance }})
      description: "Database connections with SSL compression enabled. This may add significant jitter in replication delay. Replicas should turn off SSL compression via `sslcompression=0` in `recovery.conf`.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.18. Postgresql too many locks acquired

Too many locks acquired on the database. If this alert happens frequently, we may need to increase the postgres setting max_locks_per_transaction. [copy]

  - alert: PostgresqlTooManyLocksAcquired
    expr: ((sum (pg_locks_count)) / (pg_settings_max_locks_per_transaction * pg_settings_max_connections)) > 0.20
    for: 2m
    labels:
      severity: critical
    annotations:
      summary: Postgresql too many locks acquired (instance {{ $labels.instance }})
      description: "Too many locks acquired on the database. If this alert happens frequently, we may need to increase the postgres setting max_locks_per_transaction.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.19. Postgresql bloat index high (> 80%)

The index {{ $labels.idxname }} is bloated. You should execute `REINDEX INDEX CONCURRENTLY {{ $labels.idxname }};` [copy]

  # See https://github.com/samber/awesome-prometheus-alerts/issues/289#issuecomment-1164842737
  - alert: PostgresqlBloatIndexHigh(>80%)
    expr: pg_bloat_btree_bloat_pct > 80 and on (idxname) (pg_bloat_btree_real_size > 100000000)
    for: 1h
    labels:
      severity: warning
    annotations:
      summary: Postgresql bloat index high (> 80%) (instance {{ $labels.instance }})
      description: "The index {{ $labels.idxname }} is bloated. You should execute `REINDEX INDEX CONCURRENTLY {{ $labels.idxname }};`\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.20. Postgresql bloat table high (> 80%)

The table {{ $labels.relname }} is bloated. You should execute `VACUUM {{ $labels.relname }};` [copy]

  # See https://github.com/samber/awesome-prometheus-alerts/issues/289#issuecomment-1164842737
  - alert: PostgresqlBloatTableHigh(>80%)
    expr: pg_bloat_table_bloat_pct > 80 and on (relname) (pg_bloat_table_real_size > 200000000)
    for: 1h
    labels:
      severity: warning
    annotations:
      summary: Postgresql bloat table high (> 80%) (instance {{ $labels.instance }})
      description: "The table {{ $labels.relname }} is bloated. You should execute `VACUUM {{ $labels.relname }};`\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.2.21. Postgresql invalid index

The table {{ $labels.relname }} has an invalid index: {{ $labels.indexrelname }}. You should execute `DROP INDEX {{ $labels.indexrelname }};` [copy]

  # See https://github.com/samber/awesome-prometheus-alerts/issues/289#issuecomment-1164842737
  - alert: PostgresqlInvalidIndex
    expr: pg_general_index_info_pg_relation_size{indexrelname=~".*ccnew.*"}
    for: 6h
    labels:
      severity: warning
    annotations:
      summary: Postgresql invalid index (instance {{ $labels.instance }})
      description: "The table {{ $labels.relname }} has an invalid index: {{ $labels.indexrelname }}. You should execute `DROP INDEX {{ $labels.indexrelname }};`\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.3. SQL Server : Ozarklake/prometheus-mssql-exporter (2 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/sql-server/ozarklake-mssql-exporter.yml

# 2.3.1. SQL Server down

SQL server instance is down [copy]

  - alert: SqlServerDown
    expr: mssql_up == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: SQL Server down (instance {{ $labels.instance }})
      description: "SQL server instance is down\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.3.2. SQL Server deadlock

SQL Server is having some deadlock. [copy]

  - alert: SqlServerDeadlock
    expr: increase(mssql_deadlocks[1m]) > 5
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: SQL Server deadlock (instance {{ $labels.instance }})
      description: "SQL Server is having some deadlock.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.4. Patroni : Embedded exporter (Patroni >= 2.1.0) (1 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/patroni/embedded-exporter-patroni.yml

# 2.4.1. Patroni has no Leader

A leader node (neither primary nor standby) cannot be found inside the cluster {{ $labels.scope }} [copy]

  - alert: PatroniHasNoLeader
    expr: (max by (scope) (patroni_master) < 1) and (max by (scope) (patroni_standby_leader) < 1)
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Patroni has no Leader (instance {{ $labels.instance }})
      description: "A leader node (neither primary nor standby) cannot be found inside the cluster {{ $labels.scope }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.5. PGBouncer : spreaker/prometheus-pgbouncer-exporter (3 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/pgbouncer/spreaker-pgbouncer-exporter.yml

# 2.5.1. PGBouncer active connections

PGBouncer pools are filling up [copy]

  - alert: PgbouncerActiveConnections
    expr: pgbouncer_pools_server_active_connections > 200
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: PGBouncer active connections (instance {{ $labels.instance }})
      description: "PGBouncer pools are filling up\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.5.2. PGBouncer errors

PGBouncer is logging errors. This may be due to a a server restart or an admin typing commands at the pgbouncer console. [copy]

  - alert: PgbouncerErrors
    expr: increase(pgbouncer_errors_count{errmsg!="server conn crashed?"}[1m]) > 10
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: PGBouncer errors (instance {{ $labels.instance }})
      description: "PGBouncer is logging errors. This may be due to a a server restart or an admin typing commands at the pgbouncer console.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.5.3. PGBouncer max connections

The number of PGBouncer client connections has reached max_client_conn. [copy]

  - alert: PgbouncerMaxConnections
    expr: increase(pgbouncer_errors_count{errmsg="no more connections allowed (max_client_conn)"}[30s]) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: PGBouncer max connections (instance {{ $labels.instance }})
      description: "The number of PGBouncer client connections has reached max_client_conn.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.6. Redis : oliver006/redis_exporter (12 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/redis/oliver006-redis-exporter.yml

# 2.6.1. Redis down

Redis instance is down [copy]

  - alert: RedisDown
    expr: redis_up == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Redis down (instance {{ $labels.instance }})
      description: "Redis instance is down\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.6.2. Redis missing master

Redis cluster has no node marked as master. [copy]

  - alert: RedisMissingMaster
    expr: (count(redis_instance_info{role="master"}) or vector(0)) < 1
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Redis missing master (instance {{ $labels.instance }})
      description: "Redis cluster has no node marked as master.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.6.3. Redis too many masters

Redis cluster has too many nodes marked as master. [copy]

  - alert: RedisTooManyMasters
    expr: count(redis_instance_info{role="master"}) > 1
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Redis too many masters (instance {{ $labels.instance }})
      description: "Redis cluster has too many nodes marked as master.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.6.4. Redis disconnected slaves

Redis not replicating for all slaves. Consider reviewing the redis replication status. [copy]

  - alert: RedisDisconnectedSlaves
    expr: count without (instance, job) (redis_connected_slaves) - sum without (instance, job) (redis_connected_slaves) - 1 > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Redis disconnected slaves (instance {{ $labels.instance }})
      description: "Redis not replicating for all slaves. Consider reviewing the redis replication status.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.6.5. Redis replication broken

Redis instance lost a slave [copy]

  - alert: RedisReplicationBroken
    expr: delta(redis_connected_slaves[1m]) < 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Redis replication broken (instance {{ $labels.instance }})
      description: "Redis instance lost a slave\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.6.6. Redis cluster flapping

Changes have been detected in Redis replica connection. This can occur when replica nodes lose connection to the master and reconnect (a.k.a flapping). [copy]

  - alert: RedisClusterFlapping
    expr: changes(redis_connected_slaves[1m]) > 1
    for: 2m
    labels:
      severity: critical
    annotations:
      summary: Redis cluster flapping (instance {{ $labels.instance }})
      description: "Changes have been detected in Redis replica connection. This can occur when replica nodes lose connection to the master and reconnect (a.k.a flapping).\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.6.7. Redis missing backup

Redis has not been backuped for 24 hours [copy]

  - alert: RedisMissingBackup
    expr: time() - redis_rdb_last_save_timestamp_seconds > 60 * 60 * 24
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Redis missing backup (instance {{ $labels.instance }})
      description: "Redis has not been backuped for 24 hours\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.6.8. Redis out of system memory

Redis is running out of system memory (> 90%) [copy]

  # The exporter must be started with --include-system-metrics flag or REDIS_EXPORTER_INCL_SYSTEM_METRICS=true environment variable.
  - alert: RedisOutOfSystemMemory
    expr: redis_memory_used_bytes / redis_total_system_memory_bytes * 100 > 90
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Redis out of system memory (instance {{ $labels.instance }})
      description: "Redis is running out of system memory (> 90%)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.6.9. Redis out of configured maxmemory

Redis is running out of configured maxmemory (> 90%) [copy]

  - alert: RedisOutOfConfiguredMaxmemory
    expr: redis_memory_used_bytes / redis_memory_max_bytes * 100 > 90 and on(instance) redis_memory_max_bytes > 0
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Redis out of configured maxmemory (instance {{ $labels.instance }})
      description: "Redis is running out of configured maxmemory (> 90%)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.6.10. Redis too many connections

Redis is running out of connections (> 90% used) [copy]

  - alert: RedisTooManyConnections
    expr: redis_connected_clients / redis_config_maxclients * 100 > 90
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Redis too many connections (instance {{ $labels.instance }})
      description: "Redis is running out of connections (> 90% used)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.6.11. Redis not enough connections

Redis instance should have more connections (> 5) [copy]

  - alert: RedisNotEnoughConnections
    expr: redis_connected_clients < 5
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Redis not enough connections (instance {{ $labels.instance }})
      description: "Redis instance should have more connections (> 5)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.6.12. Redis rejected connections

Some connections to Redis has been rejected [copy]

  - alert: RedisRejectedConnections
    expr: increase(redis_rejected_connections_total[1m]) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Redis rejected connections (instance {{ $labels.instance }})
      description: "Some connections to Redis has been rejected\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.7.1. MongoDB : percona/mongodb_exporter (7 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/mongodb/percona-mongodb-exporter.yml

# 2.7.1.1. MongoDB Down

MongoDB instance is down [copy]

  - alert: MongodbDown
    expr: mongodb_up == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: MongoDB Down (instance {{ $labels.instance }})
      description: "MongoDB instance is down\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.7.1.2. Mongodb replica member unhealthy

MongoDB replica member is not healthy [copy]

  - alert: MongodbReplicaMemberUnhealthy
    expr: mongodb_rs_members_health == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Mongodb replica member unhealthy (instance {{ $labels.instance }})
      description: "MongoDB replica member is not healthy\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.7.1.3. MongoDB replication lag

Mongodb replication lag is more than 10s [copy]

  - alert: MongodbReplicationLag
    expr: (mongodb_rs_members_optimeDate{member_state="PRIMARY"} - on (set) group_right mongodb_rs_members_optimeDate{member_state="SECONDARY"}) / 1000 > 10
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: MongoDB replication lag (instance {{ $labels.instance }})
      description: "Mongodb replication lag is more than 10s\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.7.1.4. MongoDB replication headroom

MongoDB replication headroom is <= 0 [copy]

  - alert: MongodbReplicationHeadroom
    expr: sum(avg(mongodb_mongod_replset_oplog_head_timestamp - mongodb_mongod_replset_oplog_tail_timestamp)) - sum(avg(mongodb_rs_members_optimeDate{member_state="PRIMARY"} - on (set) group_right mongodb_rs_members_optimeDate{member_state="SECONDARY"})) <= 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: MongoDB replication headroom (instance {{ $labels.instance }})
      description: "MongoDB replication headroom is <= 0\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.7.1.5. MongoDB number cursors open

Too many cursors opened by MongoDB for clients (> 10k) [copy]

  - alert: MongodbNumberCursorsOpen
    expr: mongodb_ss_metrics_cursor_open{csr_type="total"} > 10 * 1000
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: MongoDB number cursors open (instance {{ $labels.instance }})
      description: "Too many cursors opened by MongoDB for clients (> 10k)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.7.1.6. MongoDB cursors timeouts

Too many cursors are timing out [copy]

  - alert: MongodbCursorsTimeouts
    expr: increase(mongodb_ss_metrics_cursor_timedOut[1m]) > 100
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: MongoDB cursors timeouts (instance {{ $labels.instance }})
      description: "Too many cursors are timing out\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.7.1.7. MongoDB too many connections

Too many connections (> 80%) [copy]

  - alert: MongodbTooManyConnections
    expr: avg by(instance) (rate(mongodb_ss_connections{conn_type="current"}[1m])) / avg by(instance) (sum (mongodb_ss_connections) by (instance)) * 100 > 80
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: MongoDB too many connections (instance {{ $labels.instance }})
      description: "Too many connections (> 80%)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.7.2. MongoDB : dcu/mongodb_exporter (10 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/mongodb/dcu-mongodb-exporter.yml

# 2.7.2.1. MongoDB replication lag

Mongodb replication lag is more than 10s [copy]

  - alert: MongodbReplicationLag
    expr: avg(mongodb_replset_member_optime_date{state="PRIMARY"}) - avg(mongodb_replset_member_optime_date{state="SECONDARY"}) > 10
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: MongoDB replication lag (instance {{ $labels.instance }})
      description: "Mongodb replication lag is more than 10s\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.7.2.2. MongoDB replication Status 3

MongoDB Replication set member either perform startup self-checks, or transition from completing a rollback or resync [copy]

  - alert: MongodbReplicationStatus3
    expr: mongodb_replset_member_state == 3
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: MongoDB replication Status 3 (instance {{ $labels.instance }})
      description: "MongoDB Replication set member either perform startup self-checks, or transition from completing a rollback or resync\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.7.2.3. MongoDB replication Status 6

MongoDB Replication set member as seen from another member of the set, is not yet known [copy]

  - alert: MongodbReplicationStatus6
    expr: mongodb_replset_member_state == 6
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: MongoDB replication Status 6 (instance {{ $labels.instance }})
      description: "MongoDB Replication set member as seen from another member of the set, is not yet known\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.7.2.4. MongoDB replication Status 8

MongoDB Replication set member as seen from another member of the set, is unreachable [copy]

  - alert: MongodbReplicationStatus8
    expr: mongodb_replset_member_state == 8
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: MongoDB replication Status 8 (instance {{ $labels.instance }})
      description: "MongoDB Replication set member as seen from another member of the set, is unreachable\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.7.2.5. MongoDB replication Status 9

MongoDB Replication set member is actively performing a rollback. Data is not available for reads [copy]

  - alert: MongodbReplicationStatus9
    expr: mongodb_replset_member_state == 9
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: MongoDB replication Status 9 (instance {{ $labels.instance }})
      description: "MongoDB Replication set member is actively performing a rollback. Data is not available for reads\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.7.2.6. MongoDB replication Status 10

MongoDB Replication set member was once in a replica set but was subsequently removed [copy]

  - alert: MongodbReplicationStatus10
    expr: mongodb_replset_member_state == 10
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: MongoDB replication Status 10 (instance {{ $labels.instance }})
      description: "MongoDB Replication set member was once in a replica set but was subsequently removed\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.7.2.7. MongoDB number cursors open

Too many cursors opened by MongoDB for clients (> 10k) [copy]

  - alert: MongodbNumberCursorsOpen
    expr: mongodb_metrics_cursor_open{state="total_open"} > 10000
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: MongoDB number cursors open (instance {{ $labels.instance }})
      description: "Too many cursors opened by MongoDB for clients (> 10k)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.7.2.8. MongoDB cursors timeouts

Too many cursors are timing out [copy]

  - alert: MongodbCursorsTimeouts
    expr: increase(mongodb_metrics_cursor_timed_out_total[1m]) > 100
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: MongoDB cursors timeouts (instance {{ $labels.instance }})
      description: "Too many cursors are timing out\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.7.2.9. MongoDB too many connections

Too many connections (> 80%) [copy]

  - alert: MongodbTooManyConnections
    expr: avg by(instance) (rate(mongodb_connections{state="current"}[1m])) / avg by(instance) (sum (mongodb_connections) by (instance)) * 100 > 80
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: MongoDB too many connections (instance {{ $labels.instance }})
      description: "Too many connections (> 80%)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.7.2.10. MongoDB virtual memory usage

High memory usage [copy]

  - alert: MongodbVirtualMemoryUsage
    expr: (sum(mongodb_memory{type="virtual"}) BY (instance) / sum(mongodb_memory{type="mapped"}) BY (instance)) > 3
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: MongoDB virtual memory usage (instance {{ $labels.instance }})
      description: "High memory usage\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.7.3. MongoDB : stefanprodan/mgob (1 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/mongodb/stefanprodan-mgob-exporter.yml

# 2.7.3.1. Mgob backup failed

MongoDB backup has failed [copy]

  - alert: MgobBackupFailed
    expr: changes(mgob_scheduler_backup_total{status="500"}[1h]) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Mgob backup failed (instance {{ $labels.instance }})
      description: "MongoDB backup has failed\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.1. RabbitMQ : rabbitmq/rabbitmq-prometheus (10 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/rabbitmq/rabbitmq-exporter.yml

# 2.8.1.1. RabbitMQ node down

Less than 3 nodes running in RabbitMQ cluster [copy]

  - alert: RabbitmqNodeDown
    expr: sum(rabbitmq_build_info) < 3
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: RabbitMQ node down (instance {{ $labels.instance }})
      description: "Less than 3 nodes running in RabbitMQ cluster\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.1.2. RabbitMQ node not distributed

Distribution link state is not 'up' [copy]

  - alert: RabbitmqNodeNotDistributed
    expr: erlang_vm_dist_node_state < 3
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: RabbitMQ node not distributed (instance {{ $labels.instance }})
      description: "Distribution link state is not 'up'\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.1.3. RabbitMQ instances different versions

Running different version of RabbitMQ in the same cluster, can lead to failure. [copy]

  - alert: RabbitmqInstancesDifferentVersions
    expr: count(count(rabbitmq_build_info) by (rabbitmq_version)) > 1
    for: 1h
    labels:
      severity: warning
    annotations:
      summary: RabbitMQ instances different versions (instance {{ $labels.instance }})
      description: "Running different version of RabbitMQ in the same cluster, can lead to failure.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.1.4. RabbitMQ memory high

A node use more than 90% of allocated RAM [copy]

  - alert: RabbitmqMemoryHigh
    expr: rabbitmq_process_resident_memory_bytes / rabbitmq_resident_memory_limit_bytes * 100 > 90
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: RabbitMQ memory high (instance {{ $labels.instance }})
      description: "A node use more than 90% of allocated RAM\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.1.5. RabbitMQ file descriptors usage

A node use more than 90% of file descriptors [copy]

  - alert: RabbitmqFileDescriptorsUsage
    expr: rabbitmq_process_open_fds / rabbitmq_process_max_fds * 100 > 90
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: RabbitMQ file descriptors usage (instance {{ $labels.instance }})
      description: "A node use more than 90% of file descriptors\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.1.6. RabbitMQ too many ready messages

RabbitMQ too many ready messages on {{ $labels.instace }} [copy]

  - alert: RabbitmqTooManyReadyMessages
    expr: sum(rabbitmq_queue_messages_ready) BY (queue) > 1000
    for: 1m
    labels:
      severity: warning
    annotations:
      summary: RabbitMQ too many ready messages (instance {{ $labels.instance }})
      description: "RabbitMQ too many ready messages on {{ $labels.instace }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.1.7. RabbitMQ too many unack messages

Too many unacknowledged messages [copy]

  - alert: RabbitmqTooManyUnackMessages
    expr: sum(rabbitmq_queue_messages_unacked) BY (queue) > 1000
    for: 1m
    labels:
      severity: warning
    annotations:
      summary: RabbitMQ too many unack messages (instance {{ $labels.instance }})
      description: "Too many unacknowledged messages\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.1.8. RabbitMQ too many connections

The total connections of a node is too high [copy]

  - alert: RabbitmqTooManyConnections
    expr: rabbitmq_connections > 1000
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: RabbitMQ too many connections (instance {{ $labels.instance }})
      description: "The total connections of a node is too high\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.1.9. RabbitMQ no queue consumer

A queue has less than 1 consumer [copy]

  - alert: RabbitmqNoQueueConsumer
    expr: rabbitmq_queue_consumers < 1
    for: 1m
    labels:
      severity: warning
    annotations:
      summary: RabbitMQ no queue consumer (instance {{ $labels.instance }})
      description: "A queue has less than 1 consumer\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.1.10. RabbitMQ unroutable messages

A queue has unroutable messages [copy]

  - alert: RabbitmqUnroutableMessages
    expr: increase(rabbitmq_channel_messages_unroutable_returned_total[1m]) > 0 or increase(rabbitmq_channel_messages_unroutable_dropped_total[1m]) > 0
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: RabbitMQ unroutable messages (instance {{ $labels.instance }})
      description: "A queue has unroutable messages\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.2. RabbitMQ : kbudde/rabbitmq-exporter (11 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/rabbitmq/kbudde-rabbitmq-exporter.yml

# 2.8.2.1. RabbitMQ down

RabbitMQ node down [copy]

  - alert: RabbitmqDown
    expr: rabbitmq_up == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: RabbitMQ down (instance {{ $labels.instance }})
      description: "RabbitMQ node down\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.2.2. RabbitMQ cluster down

Less than 3 nodes running in RabbitMQ cluster [copy]

  - alert: RabbitmqClusterDown
    expr: sum(rabbitmq_running) < 3
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: RabbitMQ cluster down (instance {{ $labels.instance }})
      description: "Less than 3 nodes running in RabbitMQ cluster\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.2.3. RabbitMQ cluster partition

Cluster partition [copy]

  - alert: RabbitmqClusterPartition
    expr: rabbitmq_partitions > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: RabbitMQ cluster partition (instance {{ $labels.instance }})
      description: "Cluster partition\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.2.4. RabbitMQ out of memory

Memory available for RabbmitMQ is low (< 10%) [copy]

  - alert: RabbitmqOutOfMemory
    expr: rabbitmq_node_mem_used / rabbitmq_node_mem_limit * 100 > 90
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: RabbitMQ out of memory (instance {{ $labels.instance }})
      description: "Memory available for RabbmitMQ is low (< 10%)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.2.5. RabbitMQ too many connections

RabbitMQ instance has too many connections (> 1000) [copy]

  - alert: RabbitmqTooManyConnections
    expr: rabbitmq_connectionsTotal > 1000
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: RabbitMQ too many connections (instance {{ $labels.instance }})
      description: "RabbitMQ instance has too many connections (> 1000)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.2.6. RabbitMQ dead letter queue filling up

Dead letter queue is filling up (> 10 msgs) [copy]

  # Indicate the queue name in dedicated label.
  - alert: RabbitmqDeadLetterQueueFillingUp
    expr: rabbitmq_queue_messages{queue="my-dead-letter-queue"} > 10
    for: 1m
    labels:
      severity: warning
    annotations:
      summary: RabbitMQ dead letter queue filling up (instance {{ $labels.instance }})
      description: "Dead letter queue is filling up (> 10 msgs)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.2.7. RabbitMQ too many messages in queue

Queue is filling up (> 1000 msgs) [copy]

  # Indicate the queue name in dedicated label.
  - alert: RabbitmqTooManyMessagesInQueue
    expr: rabbitmq_queue_messages_ready{queue="my-queue"} > 1000
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: RabbitMQ too many messages in queue (instance {{ $labels.instance }})
      description: "Queue is filling up (> 1000 msgs)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.2.8. RabbitMQ slow queue consuming

Queue messages are consumed slowly (> 60s) [copy]

  # Indicate the queue name in dedicated label.
  - alert: RabbitmqSlowQueueConsuming
    expr: time() - rabbitmq_queue_head_message_timestamp{queue="my-queue"} > 60
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: RabbitMQ slow queue consuming (instance {{ $labels.instance }})
      description: "Queue messages are consumed slowly (> 60s)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.2.9. RabbitMQ no consumer

Queue has no consumer [copy]

  - alert: RabbitmqNoConsumer
    expr: rabbitmq_queue_consumers == 0
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: RabbitMQ no consumer (instance {{ $labels.instance }})
      description: "Queue has no consumer\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.2.10. RabbitMQ too many consumers

Queue should have only 1 consumer [copy]

  # Indicate the queue name in dedicated label.
  - alert: RabbitmqTooManyConsumers
    expr: rabbitmq_queue_consumers{queue="my-queue"} > 1
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: RabbitMQ too many consumers (instance {{ $labels.instance }})
      description: "Queue should have only 1 consumer\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.8.2.11. RabbitMQ unactive exchange

Exchange receive less than 5 msgs per second [copy]

  # Indicate the exchange name in dedicated label.
  - alert: RabbitmqUnactiveExchange
    expr: rate(rabbitmq_exchange_messages_published_in_total{exchange="my-exchange"}[1m]) < 5
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: RabbitMQ unactive exchange (instance {{ $labels.instance }})
      description: "Exchange receive less than 5 msgs per second\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9. Elasticsearch : prometheus-community/elasticsearch_exporter (19 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/elasticsearch/prometheus-community-elasticsearch-exporter.yml

# 2.9.1. Elasticsearch Heap Usage Too High

The heap usage is over 90% [copy]

  - alert: ElasticsearchHeapUsageTooHigh
    expr: (elasticsearch_jvm_memory_used_bytes{area="heap"} / elasticsearch_jvm_memory_max_bytes{area="heap"}) * 100 > 90
    for: 2m
    labels:
      severity: critical
    annotations:
      summary: Elasticsearch Heap Usage Too High (instance {{ $labels.instance }})
      description: "The heap usage is over 90%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9.2. Elasticsearch Heap Usage warning

The heap usage is over 80% [copy]

  - alert: ElasticsearchHeapUsageWarning
    expr: (elasticsearch_jvm_memory_used_bytes{area="heap"} / elasticsearch_jvm_memory_max_bytes{area="heap"}) * 100 > 80
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Elasticsearch Heap Usage warning (instance {{ $labels.instance }})
      description: "The heap usage is over 80%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9.3. Elasticsearch disk out of space

The disk usage is over 90% [copy]

  - alert: ElasticsearchDiskOutOfSpace
    expr: elasticsearch_filesystem_data_available_bytes / elasticsearch_filesystem_data_size_bytes * 100 < 10
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Elasticsearch disk out of space (instance {{ $labels.instance }})
      description: "The disk usage is over 90%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9.4. Elasticsearch disk space low

The disk usage is over 80% [copy]

  - alert: ElasticsearchDiskSpaceLow
    expr: elasticsearch_filesystem_data_available_bytes / elasticsearch_filesystem_data_size_bytes * 100 < 20
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Elasticsearch disk space low (instance {{ $labels.instance }})
      description: "The disk usage is over 80%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9.5. Elasticsearch Cluster Red

Elastic Cluster Red status [copy]

  - alert: ElasticsearchClusterRed
    expr: elasticsearch_cluster_health_status{color="red"} == 1
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Elasticsearch Cluster Red (instance {{ $labels.instance }})
      description: "Elastic Cluster Red status\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9.6. Elasticsearch Cluster Yellow

Elastic Cluster Yellow status [copy]

  - alert: ElasticsearchClusterYellow
    expr: elasticsearch_cluster_health_status{color="yellow"} == 1
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Elasticsearch Cluster Yellow (instance {{ $labels.instance }})
      description: "Elastic Cluster Yellow status\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9.7. Elasticsearch Healthy Nodes

Missing node in Elasticsearch cluster [copy]

  - alert: ElasticsearchHealthyNodes
    expr: elasticsearch_cluster_health_number_of_nodes < 3
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Elasticsearch Healthy Nodes (instance {{ $labels.instance }})
      description: "Missing node in Elasticsearch cluster\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9.8. Elasticsearch Healthy Data Nodes

Missing data node in Elasticsearch cluster [copy]

  - alert: ElasticsearchHealthyDataNodes
    expr: elasticsearch_cluster_health_number_of_data_nodes < 3
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Elasticsearch Healthy Data Nodes (instance {{ $labels.instance }})
      description: "Missing data node in Elasticsearch cluster\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9.9. Elasticsearch relocating shards

Elasticsearch is relocating shards [copy]

  - alert: ElasticsearchRelocatingShards
    expr: elasticsearch_cluster_health_relocating_shards > 0
    for: 0m
    labels:
      severity: info
    annotations:
      summary: Elasticsearch relocating shards (instance {{ $labels.instance }})
      description: "Elasticsearch is relocating shards\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9.10. Elasticsearch relocating shards too long

Elasticsearch has been relocating shards for 15min [copy]

  - alert: ElasticsearchRelocatingShardsTooLong
    expr: elasticsearch_cluster_health_relocating_shards > 0
    for: 15m
    labels:
      severity: warning
    annotations:
      summary: Elasticsearch relocating shards too long (instance {{ $labels.instance }})
      description: "Elasticsearch has been relocating shards for 15min\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9.11. Elasticsearch initializing shards

Elasticsearch is initializing shards [copy]

  - alert: ElasticsearchInitializingShards
    expr: elasticsearch_cluster_health_initializing_shards > 0
    for: 0m
    labels:
      severity: info
    annotations:
      summary: Elasticsearch initializing shards (instance {{ $labels.instance }})
      description: "Elasticsearch is initializing shards\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9.12. Elasticsearch initializing shards too long

Elasticsearch has been initializing shards for 15 min [copy]

  - alert: ElasticsearchInitializingShardsTooLong
    expr: elasticsearch_cluster_health_initializing_shards > 0
    for: 15m
    labels:
      severity: warning
    annotations:
      summary: Elasticsearch initializing shards too long (instance {{ $labels.instance }})
      description: "Elasticsearch has been initializing shards for 15 min\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9.13. Elasticsearch unassigned shards

Elasticsearch has unassigned shards [copy]

  - alert: ElasticsearchUnassignedShards
    expr: elasticsearch_cluster_health_unassigned_shards > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Elasticsearch unassigned shards (instance {{ $labels.instance }})
      description: "Elasticsearch has unassigned shards\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9.14. Elasticsearch pending tasks

Elasticsearch has pending tasks. Cluster works slowly. [copy]

  - alert: ElasticsearchPendingTasks
    expr: elasticsearch_cluster_health_number_of_pending_tasks > 0
    for: 15m
    labels:
      severity: warning
    annotations:
      summary: Elasticsearch pending tasks (instance {{ $labels.instance }})
      description: "Elasticsearch has pending tasks. Cluster works slowly.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9.15. Elasticsearch no new documents

No new documents for 10 min! [copy]

  - alert: ElasticsearchNoNewDocuments
    expr: increase(elasticsearch_indices_indexing_index_total{es_data_node="true"}[10m]) < 1
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Elasticsearch no new documents (instance {{ $labels.instance }})
      description: "No new documents for 10 min!\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9.16. Elasticsearch High Indexing Latency

The indexing latency on Elasticsearch cluster is higher than the threshold. [copy]

  - alert: ElasticsearchHighIndexingLatency
    expr: elasticsearch_indices_indexing_index_time_seconds_total / elasticsearch_indices_indexing_index_total > 0.0005
    for: 10m
    labels:
      severity: warning
    annotations:
      summary: Elasticsearch High Indexing Latency (instance {{ $labels.instance }})
      description: "The indexing latency on Elasticsearch cluster is higher than the threshold.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9.17. Elasticsearch High Indexing Rate

The indexing rate on Elasticsearch cluster is higher than the threshold. [copy]

  - alert: ElasticsearchHighIndexingRate
    expr: sum(rate(elasticsearch_indices_indexing_index_total[1m]))> 10000
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Elasticsearch High Indexing Rate (instance {{ $labels.instance }})
      description: "The indexing rate on Elasticsearch cluster is higher than the threshold.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9.18. Elasticsearch High Query Rate

The query rate on Elasticsearch cluster is higher than the threshold. [copy]

  - alert: ElasticsearchHighQueryRate
    expr: sum(rate(elasticsearch_indices_search_query_total[1m])) > 100
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Elasticsearch High Query Rate (instance {{ $labels.instance }})
      description: "The query rate on Elasticsearch cluster is higher than the threshold.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.9.19. Elasticsearch High Query Latency

The query latency on Elasticsearch cluster is higher than the threshold. [copy]

  - alert: ElasticsearchHighQueryLatency
    expr: elasticsearch_indices_search_fetch_time_seconds / elasticsearch_indices_search_fetch_total > 1
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Elasticsearch High Query Latency (instance {{ $labels.instance }})
      description: "The query latency on Elasticsearch cluster is higher than the threshold.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.10. Meilisearch : Embedded exporter (2 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/meilisearch/embedded-exporter.yml

# 2.10.1. Meilisearch index is empty

Meilisearch instance is down [copy]

  - alert: MeilisearchIndexIsEmpty
    expr: meilisearch_index_docs_count == 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Meilisearch index is empty (instance {{ $labels.instance }})
      description: "Meilisearch instance is down\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.10.2. Meilisearch http response time

Meilisearch http response time is too high [copy]

  - alert: MeilisearchHttpResponseTime
    expr: meilisearch_http_response_time_seconds > 0.5
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Meilisearch http response time (instance {{ $labels.instance }})
      description: "Meilisearch http response time is too high\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.1. Cassandra : instaclustr/cassandra-exporter (12 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/cassandra/instaclustr-cassandra-exporter.yml

# 2.11.1.1. Cassandra Node is unavailable

Cassandra Node is unavailable - {{ $labels.cassandra_cluster }} {{ $labels.exported_endpoint }} [copy]

  - alert: CassandraNodeIsUnavailable
    expr: sum(cassandra_endpoint_active) by (cassandra_cluster,instance,exported_endpoint) < 1
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Cassandra Node is unavailable (instance {{ $labels.instance }})
      description: "Cassandra Node is unavailable - {{ $labels.cassandra_cluster }} {{ $labels.exported_endpoint }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.1.2. Cassandra many compaction tasks are pending

Many Cassandra compaction tasks are pending - {{ $labels.cassandra_cluster }} [copy]

  - alert: CassandraManyCompactionTasksArePending
    expr: cassandra_table_estimated_pending_compactions > 100
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Cassandra many compaction tasks are pending (instance {{ $labels.instance }})
      description: "Many Cassandra compaction tasks are pending - {{ $labels.cassandra_cluster }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.1.3. Cassandra commitlog pending tasks

Cassandra commitlog pending tasks - {{ $labels.cassandra_cluster }} [copy]

  - alert: CassandraCommitlogPendingTasks
    expr: cassandra_commit_log_pending_tasks > 15
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Cassandra commitlog pending tasks (instance {{ $labels.instance }})
      description: "Cassandra commitlog pending tasks - {{ $labels.cassandra_cluster }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.1.4. Cassandra compaction executor blocked tasks

Some Cassandra compaction executor tasks are blocked - {{ $labels.cassandra_cluster }} [copy]

  - alert: CassandraCompactionExecutorBlockedTasks
    expr: cassandra_thread_pool_blocked_tasks{pool="CompactionExecutor"} > 15
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Cassandra compaction executor blocked tasks (instance {{ $labels.instance }})
      description: "Some Cassandra compaction executor tasks are blocked - {{ $labels.cassandra_cluster }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.1.5. Cassandra flush writer blocked tasks

Some Cassandra flush writer tasks are blocked - {{ $labels.cassandra_cluster }} [copy]

  - alert: CassandraFlushWriterBlockedTasks
    expr: cassandra_thread_pool_blocked_tasks{pool="MemtableFlushWriter"} > 15
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Cassandra flush writer blocked tasks (instance {{ $labels.instance }})
      description: "Some Cassandra flush writer tasks are blocked - {{ $labels.cassandra_cluster }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.1.6. Cassandra connection timeouts total

Some connection between nodes are ending in timeout - {{ $labels.cassandra_cluster }} [copy]

  - alert: CassandraConnectionTimeoutsTotal
    expr: avg(cassandra_client_request_timeouts_total) by (cassandra_cluster,instance) > 5
    for: 2m
    labels:
      severity: critical
    annotations:
      summary: Cassandra connection timeouts total (instance {{ $labels.instance }})
      description: "Some connection between nodes are ending in timeout - {{ $labels.cassandra_cluster }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.1.7. Cassandra storage exceptions

Something is going wrong with cassandra storage - {{ $labels.cassandra_cluster }} [copy]

  - alert: CassandraStorageExceptions
    expr: changes(cassandra_storage_exceptions_total[1m]) > 1
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Cassandra storage exceptions (instance {{ $labels.instance }})
      description: "Something is going wrong with cassandra storage - {{ $labels.cassandra_cluster }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.1.8. Cassandra tombstone dump

Cassandra tombstone dump - {{ $labels.cassandra_cluster }} [copy]

  - alert: CassandraTombstoneDump
    expr: avg(cassandra_table_tombstones_scanned{quantile="0.99"}) by (instance,cassandra_cluster,keyspace) > 100
    for: 2m
    labels:
      severity: critical
    annotations:
      summary: Cassandra tombstone dump (instance {{ $labels.instance }})
      description: "Cassandra tombstone dump - {{ $labels.cassandra_cluster }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.1.9. Cassandra client request unavailable write

Some Cassandra client requests are unavailable to write - {{ $labels.cassandra_cluster }} [copy]

  - alert: CassandraClientRequestUnavailableWrite
    expr: changes(cassandra_client_request_unavailable_exceptions_total{operation="write"}[1m]) > 0
    for: 2m
    labels:
      severity: critical
    annotations:
      summary: Cassandra client request unavailable write (instance {{ $labels.instance }})
      description: "Some Cassandra client requests are unavailable to write - {{ $labels.cassandra_cluster }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.1.10. Cassandra client request unavailable read

Some Cassandra client requests are unavailable to read - {{ $labels.cassandra_cluster }} [copy]

  - alert: CassandraClientRequestUnavailableRead
    expr: changes(cassandra_client_request_unavailable_exceptions_total{operation="read"}[1m]) > 0
    for: 2m
    labels:
      severity: critical
    annotations:
      summary: Cassandra client request unavailable read (instance {{ $labels.instance }})
      description: "Some Cassandra client requests are unavailable to read - {{ $labels.cassandra_cluster }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.1.11. Cassandra client request write failure

Read failures have occurred, ensure there are not too many unavailable nodes - {{ $labels.cassandra_cluster }} [copy]

  - alert: CassandraClientRequestWriteFailure
    expr: increase(cassandra_client_request_failures_total{operation="write"}[1m]) > 0
    for: 2m
    labels:
      severity: critical
    annotations:
      summary: Cassandra client request write failure (instance {{ $labels.instance }})
      description: "Read failures have occurred, ensure there are not too many unavailable nodes - {{ $labels.cassandra_cluster }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.1.12. Cassandra client request read failure

Read failures have occurred, ensure there are not too many unavailable nodes - {{ $labels.cassandra_cluster }} [copy]

  - alert: CassandraClientRequestReadFailure
    expr: increase(cassandra_client_request_failures_total{operation="read"}[1m]) > 0
    for: 2m
    labels:
      severity: critical
    annotations:
      summary: Cassandra client request read failure (instance {{ $labels.instance }})
      description: "Read failures have occurred, ensure there are not too many unavailable nodes - {{ $labels.cassandra_cluster }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.2. Cassandra : criteo/cassandra_exporter (18 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/cassandra/criteo-cassandra-exporter.yml

# 2.11.2.1. Cassandra hints count

Cassandra hints count has changed on {{ $labels.instance }} some nodes may go down [copy]

  - alert: CassandraHintsCount
    expr: changes(cassandra_stats{name="org:apache:cassandra:metrics:storage:totalhints:count"}[1m]) > 3
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Cassandra hints count (instance {{ $labels.instance }})
      description: "Cassandra hints count has changed on {{ $labels.instance }} some nodes may go down\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.2.2. Cassandra compaction task pending

Many Cassandra compaction tasks are pending. You might need to increase I/O capacity by adding nodes to the cluster. [copy]

  - alert: CassandraCompactionTaskPending
    expr: avg_over_time(cassandra_stats{name="org:apache:cassandra:metrics:compaction:pendingtasks:value"}[1m]) > 100
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Cassandra compaction task pending (instance {{ $labels.instance }})
      description: "Many Cassandra compaction tasks are pending. You might need to increase I/O capacity by adding nodes to the cluster.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.2.3. Cassandra viewwrite latency

High viewwrite latency on {{ $labels.instance }} cassandra node [copy]

  - alert: CassandraViewwriteLatency
    expr: cassandra_stats{name="org:apache:cassandra:metrics:clientrequest:viewwrite:viewwritelatency:99thpercentile",service="cas"} > 100000
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Cassandra viewwrite latency (instance {{ $labels.instance }})
      description: "High viewwrite latency on {{ $labels.instance }} cassandra node\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.2.4. Cassandra bad hacker

Increase of Cassandra authentication failures [copy]

  - alert: CassandraBadHacker
    expr: rate(cassandra_stats{name="org:apache:cassandra:metrics:client:authfailure:count"}[1m]) > 5
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Cassandra bad hacker (instance {{ $labels.instance }})
      description: "Increase of Cassandra authentication failures\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.2.5. Cassandra node down

Cassandra node down [copy]

  - alert: CassandraNodeDown
    expr: sum(cassandra_stats{name="org:apache:cassandra:net:failuredetector:downendpointcount"}) by (service,group,cluster,env) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Cassandra node down (instance {{ $labels.instance }})
      description: "Cassandra node down\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.2.6. Cassandra commitlog pending tasks

Unexpected number of Cassandra commitlog pending tasks [copy]

  - alert: CassandraCommitlogPendingTasks
    expr: cassandra_stats{name="org:apache:cassandra:metrics:commitlog:pendingtasks:value"} > 15
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Cassandra commitlog pending tasks (instance {{ $labels.instance }})
      description: "Unexpected number of Cassandra commitlog pending tasks\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.2.7. Cassandra compaction executor blocked tasks

Some Cassandra compaction executor tasks are blocked [copy]

  - alert: CassandraCompactionExecutorBlockedTasks
    expr: cassandra_stats{name="org:apache:cassandra:metrics:threadpools:internal:compactionexecutor:currentlyblockedtasks:count"} > 0
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Cassandra compaction executor blocked tasks (instance {{ $labels.instance }})
      description: "Some Cassandra compaction executor tasks are blocked\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.2.8. Cassandra flush writer blocked tasks

Some Cassandra flush writer tasks are blocked [copy]

  - alert: CassandraFlushWriterBlockedTasks
    expr: cassandra_stats{name="org:apache:cassandra:metrics:threadpools:internal:memtableflushwriter:currentlyblockedtasks:count"} > 0
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Cassandra flush writer blocked tasks (instance {{ $labels.instance }})
      description: "Some Cassandra flush writer tasks are blocked\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.2.9. Cassandra repair pending tasks

Some Cassandra repair tasks are pending [copy]

  - alert: CassandraRepairPendingTasks
    expr: cassandra_stats{name="org:apache:cassandra:metrics:threadpools:internal:antientropystage:pendingtasks:value"} > 2
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Cassandra repair pending tasks (instance {{ $labels.instance }})
      description: "Some Cassandra repair tasks are pending\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.2.10. Cassandra repair blocked tasks

Some Cassandra repair tasks are blocked [copy]

  - alert: CassandraRepairBlockedTasks
    expr: cassandra_stats{name="org:apache:cassandra:metrics:threadpools:internal:antientropystage:currentlyblockedtasks:count"} > 0
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Cassandra repair blocked tasks (instance {{ $labels.instance }})
      description: "Some Cassandra repair tasks are blocked\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.2.11. Cassandra connection timeouts total

Some connection between nodes are ending in timeout [copy]

  - alert: CassandraConnectionTimeoutsTotal
    expr: rate(cassandra_stats{name="org:apache:cassandra:metrics:connection:totaltimeouts:count"}[1m]) > 5
    for: 2m
    labels:
      severity: critical
    annotations:
      summary: Cassandra connection timeouts total (instance {{ $labels.instance }})
      description: "Some connection between nodes are ending in timeout\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.2.12. Cassandra storage exceptions

Something is going wrong with cassandra storage [copy]

  - alert: CassandraStorageExceptions
    expr: changes(cassandra_stats{name="org:apache:cassandra:metrics:storage:exceptions:count"}[1m]) > 1
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Cassandra storage exceptions (instance {{ $labels.instance }})
      description: "Something is going wrong with cassandra storage\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.2.13. Cassandra tombstone dump

Too much tombstones scanned in queries [copy]

  - alert: CassandraTombstoneDump
    expr: cassandra_stats{name="org:apache:cassandra:metrics:table:tombstonescannedhistogram:99thpercentile"} > 1000
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Cassandra tombstone dump (instance {{ $labels.instance }})
      description: "Too much tombstones scanned in queries\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.2.14. Cassandra client request unavailable write

Write failures have occurred because too many nodes are unavailable [copy]

  - alert: CassandraClientRequestUnavailableWrite
    expr: changes(cassandra_stats{name="org:apache:cassandra:metrics:clientrequest:write:unavailables:count"}[1m]) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Cassandra client request unavailable write (instance {{ $labels.instance }})
      description: "Write failures have occurred because too many nodes are unavailable\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.2.15. Cassandra client request unavailable read

Read failures have occurred because too many nodes are unavailable [copy]

  - alert: CassandraClientRequestUnavailableRead
    expr: changes(cassandra_stats{name="org:apache:cassandra:metrics:clientrequest:read:unavailables:count"}[1m]) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Cassandra client request unavailable read (instance {{ $labels.instance }})
      description: "Read failures have occurred because too many nodes are unavailable\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.2.16. Cassandra client request write failure

A lot of write failures encountered. A write failure is a non-timeout exception encountered during a write request. Examine the reason map to find to the root cause. The most common cause for this type of error is when batch sizes are too large. [copy]

  - alert: CassandraClientRequestWriteFailure
    expr: increase(cassandra_stats{name="org:apache:cassandra:metrics:clientrequest:write:failures:oneminuterate"}[1m]) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Cassandra client request write failure (instance {{ $labels.instance }})
      description: "A lot of write failures encountered. A write failure is a non-timeout exception encountered during a write request. Examine the reason map to find to the root cause. The most common cause for this type of error is when batch sizes are too large.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.2.17. Cassandra client request read failure

A lot of read failures encountered. A read failure is a non-timeout exception encountered during a read request. Examine the reason map to find to the root cause. The most common cause for this type of error is when batch sizes are too large. [copy]

  - alert: CassandraClientRequestReadFailure
    expr: increase(cassandra_stats{name="org:apache:cassandra:metrics:clientrequest:read:failures:oneminuterate"}[1m]) > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Cassandra client request read failure (instance {{ $labels.instance }})
      description: "A lot of read failures encountered. A read failure is a non-timeout exception encountered during a read request. Examine the reason map to find to the root cause. The most common cause for this type of error is when batch sizes are too large.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.11.2.18. Cassandra cache hit rate key cache

Key cache hit rate is below 85% [copy]

  - alert: CassandraCacheHitRateKeyCache
    expr: cassandra_stats{name="org:apache:cassandra:metrics:cache:keycache:hitrate:value"} < .85
    for: 2m
    labels:
      severity: critical
    annotations:
      summary: Cassandra cache hit rate key cache (instance {{ $labels.instance }})
      description: "Key cache hit rate is below 85%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.12. Clickhouse : Embedded Exporter (14 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/clickhouse/embedded-exporter.yml

# 2.12.1. ClickHouse Memory Usage Critical

Memory usage is critically high, over 90%. [copy]

  - alert: ClickhouseMemoryUsageCritical
    expr: ClickHouseAsyncMetrics_CGroupMemoryUsed / ClickHouseAsyncMetrics_CGroupMemoryTotal * 100 > 90
    for: 5m
    labels:
      severity: critical
    annotations:
      summary: ClickHouse Memory Usage Critical (instance {{ $labels.instance }})
      description: "Memory usage is critically high, over 90%.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.12.2. ClickHouse Memory Usage Warning

Memory usage is over 80%. [copy]

  - alert: ClickhouseMemoryUsageWarning
    expr: ClickHouseAsyncMetrics_CGroupMemoryUsed / ClickHouseAsyncMetrics_CGroupMemoryTotal * 100 > 80
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: ClickHouse Memory Usage Warning (instance {{ $labels.instance }})
      description: "Memory usage is over 80%.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.12.3. ClickHouse Disk Space Low on Default

Disk space on default is below 20%. [copy]

  - alert: ClickhouseDiskSpaceLowOnDefault
    expr: ClickHouseAsyncMetrics_DiskAvailable_default / (ClickHouseAsyncMetrics_DiskAvailable_default + ClickHouseAsyncMetrics_DiskUsed_default) * 100 < 20
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: ClickHouse Disk Space Low on Default (instance {{ $labels.instance }})
      description: "Disk space on default is below 20%.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.12.4. ClickHouse Disk Space Critical on Default

Disk space on default disk is critically low, below 10%. [copy]

  - alert: ClickhouseDiskSpaceCriticalOnDefault
    expr: ClickHouseAsyncMetrics_DiskAvailable_default / (ClickHouseAsyncMetrics_DiskAvailable_default + ClickHouseAsyncMetrics_DiskUsed_default) * 100 < 10
    for: 2m
    labels:
      severity: critical
    annotations:
      summary: ClickHouse Disk Space Critical on Default (instance {{ $labels.instance }})
      description: "Disk space on default disk is critically low, below 10%.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.12.5. ClickHouse Disk Space Low on Backups

Disk space on backups is below 20%. [copy]

  - alert: ClickhouseDiskSpaceLowOnBackups
    expr: ClickHouseAsyncMetrics_DiskAvailable_backups / (ClickHouseAsyncMetrics_DiskAvailable_backups + ClickHouseAsyncMetrics_DiskUsed_backups) * 100 < 20
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: ClickHouse Disk Space Low on Backups (instance {{ $labels.instance }})
      description: "Disk space on backups is below 20%.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.12.6. ClickHouse Replica Errors

Critical replica errors detected, either all replicas are stale or lost. [copy]

  - alert: ClickhouseReplicaErrors
    expr: ClickHouseErrorMetric_ALL_REPLICAS_ARE_STALE == 1 or ClickHouseErrorMetric_ALL_REPLICAS_LOST == 1
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: ClickHouse Replica Errors (instance {{ $labels.instance }})
      description: "Critical replica errors detected, either all replicas are stale or lost.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.12.7. ClickHouse No Available Replicas

No available replicas in ClickHouse. [copy]

  - alert: ClickhouseNoAvailableReplicas
    expr: ClickHouseErrorMetric_NO_AVAILABLE_REPLICA == 1
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: ClickHouse No Available Replicas (instance {{ $labels.instance }})
      description: "No available replicas in ClickHouse.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.12.8. ClickHouse No Live Replicas

There are too few live replicas available, risking data loss and service disruption. [copy]

  - alert: ClickhouseNoLiveReplicas
    expr: ClickHouseErrorMetric_TOO_FEW_LIVE_REPLICAS == 1
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: ClickHouse No Live Replicas (instance {{ $labels.instance }})
      description: "There are too few live replicas available, risking data loss and service disruption.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.12.9. ClickHouse High Network Traffic

Network traffic is unusually high, may affect cluster performance. [copy]

  # Please replace the threshold with an appropriate value
  - alert: ClickhouseHighNetworkTraffic
    expr: ClickHouseMetrics_NetworkSend > 250 or ClickHouseMetrics_NetworkReceive > 250
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: ClickHouse High Network Traffic (instance {{ $labels.instance }})
      description: "Network traffic is unusually high, may affect cluster performance.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.12.10. ClickHouse High TCP Connections

High number of TCP connections, indicating heavy client or inter-cluster communication. [copy]

  # Please replace the threshold with an appropriate value
  - alert: ClickhouseHighTcpConnections
    expr: ClickHouseMetrics_TCPConnection > 400
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: ClickHouse High TCP Connections (instance {{ $labels.instance }})
      description: "High number of TCP connections, indicating heavy client or inter-cluster communication.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.12.11. ClickHouse Interserver Connection Issues

An increase in interserver connections may indicate replication or distributed query handling issues. [copy]

  - alert: ClickhouseInterserverConnectionIssues
    expr: increase(ClickHouseMetrics_InterserverConnection[5m]) > 0
    for: 1m
    labels:
      severity: warning
    annotations:
      summary: ClickHouse Interserver Connection Issues (instance {{ $labels.instance }})
      description: "An increase in interserver connections may indicate replication or distributed query handling issues.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.12.12. ClickHouse ZooKeeper Connection Issues

ClickHouse is experiencing issues with ZooKeeper connections, which may affect cluster state and coordination. [copy]

  - alert: ClickhouseZookeeperConnectionIssues
    expr: avg(ClickHouseMetrics_ZooKeeperSession) != 1
    for: 3m
    labels:
      severity: warning
    annotations:
      summary: ClickHouse ZooKeeper Connection Issues (instance {{ $labels.instance }})
      description: "ClickHouse is experiencing issues with ZooKeeper connections, which may affect cluster state and coordination.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.12.13. ClickHouse Authentication Failures

Authentication failures detected, indicating potential security issues or misconfiguration. [copy]

  - alert: ClickhouseAuthenticationFailures
    expr: increase(ClickHouseErrorMetric_AUTHENTICATION_FAILED[5m]) > 0
    for: 0m
    labels:
      severity: info
    annotations:
      summary: ClickHouse Authentication Failures (instance {{ $labels.instance }})
      description: "Authentication failures detected, indicating potential security issues or misconfiguration.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.12.14. ClickHouse Access Denied Errors

Access denied errors have been logged, which could indicate permission issues or unauthorized access attempts. [copy]

  - alert: ClickhouseAccessDeniedErrors
    expr: increase(ClickHouseErrorMetric_RESOURCE_ACCESS_DENIED[5m]) > 0
    for: 0m
    labels:
      severity: info
    annotations:
      summary: ClickHouse Access Denied Errors (instance {{ $labels.instance }})
      description: "Access denied errors have been logged, which could indicate permission issues or unauthorized access attempts.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.13.1. Zookeeper : cloudflare/kafka_zookeeper_exporter

// @TODO: Please contribute => https://github.com/samber/awesome-prometheus-alerts 👋

# 2.13.2. Zookeeper : dabealu/zookeeper-exporter (4 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/zookeeper/dabealu-zookeeper-exporter.yml

# 2.13.2.1. Zookeeper Down

Zookeeper down on instance {{ $labels.instance }} [copy]

  - alert: ZookeeperDown
    expr: zk_up == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Zookeeper Down (instance {{ $labels.instance }})
      description: "Zookeeper down on instance {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.13.2.2. Zookeeper missing leader

Zookeeper cluster has no node marked as leader [copy]

  - alert: ZookeeperMissingLeader
    expr: sum(zk_server_leader) == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Zookeeper missing leader (instance {{ $labels.instance }})
      description: "Zookeeper cluster has no node marked as leader\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.13.2.3. Zookeeper Too Many Leaders

Zookeeper cluster has too many nodes marked as leader [copy]

  - alert: ZookeeperTooManyLeaders
    expr: sum(zk_server_leader) > 1
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Zookeeper Too Many Leaders (instance {{ $labels.instance }})
      description: "Zookeeper cluster has too many nodes marked as leader\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.13.2.4. Zookeeper Not Ok

Zookeeper instance is not ok [copy]

  - alert: ZookeeperNotOk
    expr: zk_ruok == 0
    for: 3m
    labels:
      severity: warning
    annotations:
      summary: Zookeeper Not Ok (instance {{ $labels.instance }})
      description: "Zookeeper instance is not ok\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.14.1. Kafka : danielqsj/kafka_exporter (2 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/kafka/danielqsj-kafka-exporter.yml

# 2.14.1.1. Kafka topics replicas

Kafka topic in-sync partition [copy]

  - alert: KafkaTopicsReplicas
    expr: sum(kafka_topic_partition_in_sync_replica) by (topic) < 3
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Kafka topics replicas (instance {{ $labels.instance }})
      description: "Kafka topic in-sync partition\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.14.1.2. Kafka consumers group

Kafka consumers group [copy]

  - alert: KafkaConsumersGroup
    expr: sum(kafka_consumergroup_lag) by (consumergroup) > 50
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: Kafka consumers group (instance {{ $labels.instance }})
      description: "Kafka consumers group\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.14.2. Kafka : linkedin/Burrow (2 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/kafka/linkedin-kafka-exporter.yml

# 2.14.2.1. Kafka topic offset decreased

Kafka topic offset has decreased [copy]

  - alert: KafkaTopicOffsetDecreased
    expr: delta(kafka_burrow_partition_current_offset[1m]) < 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Kafka topic offset decreased (instance {{ $labels.instance }})
      description: "Kafka topic offset has decreased\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.14.2.2. Kafka consumer lag

Kafka consumer has a 30 minutes and increasing lag [copy]

  - alert: KafkaConsumerLag
    expr: kafka_burrow_topic_partition_offset - on(partition, cluster, topic) group_right() kafka_burrow_partition_current_offset >= (kafka_burrow_topic_partition_offset offset 15m - on(partition, cluster, topic) group_right() kafka_burrow_partition_current_offset offset 15m) AND kafka_burrow_topic_partition_offset - on(partition, cluster, topic) group_right() kafka_burrow_partition_current_offset > 0
    for: 15m
    labels:
      severity: warning
    annotations:
      summary: Kafka consumer lag (instance {{ $labels.instance }})
      description: "Kafka consumer has a 30 minutes and increasing lag\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.15. Pulsar : embedded exporter (10 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/pulsar/embedded-exporter.yml

# 2.15.1. Pulsar subscription high number of backlog entries

The number of subscription backlog entries is over 5k [copy]

  - alert: PulsarSubscriptionHighNumberOfBacklogEntries
    expr: sum(pulsar_subscription_back_log) by (subscription) > 5000
    for: 1h
    labels:
      severity: warning
    annotations:
      summary: Pulsar subscription high number of backlog entries (instance {{ $labels.instance }})
      description: "The number of subscription backlog entries is over 5k\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.15.2. Pulsar subscription very high number of backlog entries

The number of subscription backlog entries is over 100k [copy]

  - alert: PulsarSubscriptionVeryHighNumberOfBacklogEntries
    expr: sum(pulsar_subscription_back_log) by (subscription) > 100000
    for: 1h
    labels:
      severity: critical
    annotations:
      summary: Pulsar subscription very high number of backlog entries (instance {{ $labels.instance }})
      description: "The number of subscription backlog entries is over 100k\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.15.3. Pulsar topic large backlog storage size

The topic backlog storage size is over 5 GB [copy]

  - alert: PulsarTopicLargeBacklogStorageSize
    expr: sum(pulsar_storage_size > 5*1024*1024*1024) by (topic)
    for: 1h
    labels:
      severity: warning
    annotations:
      summary: Pulsar topic large backlog storage size (instance {{ $labels.instance }})
      description: "The topic backlog storage size is over 5 GB\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.15.4. Pulsar topic very large backlog storage size

The topic backlog storage size is over 20 GB [copy]

  - alert: PulsarTopicVeryLargeBacklogStorageSize
    expr: sum(pulsar_storage_size > 20*1024*1024*1024) by (topic)
    for: 1h
    labels:
      severity: critical
    annotations:
      summary: Pulsar topic very large backlog storage size (instance {{ $labels.instance }})
      description: "The topic backlog storage size is over 20 GB\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.15.5. Pulsar high write latency

Messages cannot be written in a timely fashion [copy]

  - alert: PulsarHighWriteLatency
    expr: sum(pulsar_storage_write_latency_overflow > 0) by (topic)
    for: 1h
    labels:
      severity: critical
    annotations:
      summary: Pulsar high write latency (instance {{ $labels.instance }})
      description: "Messages cannot be written in a timely fashion\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.15.6. Pulsar large message payload

Observing large message payload (> 1MB) [copy]

  - alert: PulsarLargeMessagePayload
    expr: sum(pulsar_entry_size_overflow > 0) by (topic)
    for: 1h
    labels:
      severity: warning
    annotations:
      summary: Pulsar large message payload (instance {{ $labels.instance }})
      description: "Observing large message payload (> 1MB)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.15.7. Pulsar high ledger disk usage

Observing Ledger Disk Usage (> 75%) [copy]

  - alert: PulsarHighLedgerDiskUsage
    expr: sum(bookie_ledger_dir__pulsar_data_bookkeeper_ledgers_usage) by (kubernetes_pod_name) > 75
    for: 1h
    labels:
      severity: critical
    annotations:
      summary: Pulsar high ledger disk usage (instance {{ $labels.instance }})
      description: "Observing Ledger Disk Usage (> 75%)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.15.8. Pulsar read only bookies

Observing Readonly Bookies [copy]

  - alert: PulsarReadOnlyBookies
    expr: count(bookie_SERVER_STATUS{} == 0) by (pod)
    for: 5m
    labels:
      severity: critical
    annotations:
      summary: Pulsar read only bookies (instance {{ $labels.instance }})
      description: "Observing Readonly Bookies\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.15.9. Pulsar high number of function errors

Observing more than 10 Function errors per minute [copy]

  - alert: PulsarHighNumberOfFunctionErrors
    expr: sum((rate(pulsar_function_user_exceptions_total{}[1m]) + rate(pulsar_function_system_exceptions_total{}[1m])) > 10) by (name)
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: Pulsar high number of function errors (instance {{ $labels.instance }})
      description: "Observing more than 10 Function errors per minute\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.15.10. Pulsar high number of sink errors

Observing more than 10 Sink errors per minute [copy]

  - alert: PulsarHighNumberOfSinkErrors
    expr: sum(rate(pulsar_sink_sink_exceptions_total{}[1m]) > 10) by (name)
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: Pulsar high number of sink errors (instance {{ $labels.instance }})
      description: "Observing more than 10 Sink errors per minute\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16. Nats : nats-io/prometheus-nats-exporter (20 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/nats/nats-exporter.yml

# 2.16.1. Nats high connection count

High number of NATS connections ({{ $value }}) for {{ $labels.instance }} [copy]

  - alert: NatsHighConnectionCount
    expr: gnatsd_varz_connections > 100
    for: 3m
    labels:
      severity: warning
    annotations:
      summary: Nats high connection count (instance {{ $labels.instance }})
      description: "High number of NATS connections ({{ $value }}) for {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.2. Nats high pending bytes

High number of NATS pending bytes ({{ $value }}) for {{ $labels.instance }} [copy]

  - alert: NatsHighPendingBytes
    expr: gnatsd_connz_pending_bytes > 100000
    for: 3m
    labels:
      severity: warning
    annotations:
      summary: Nats high pending bytes (instance {{ $labels.instance }})
      description: "High number of NATS pending bytes ({{ $value }}) for {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.3. Nats high subscriptions count

High number of NATS subscriptions ({{ $value }}) for {{ $labels.instance }} [copy]

  - alert: NatsHighSubscriptionsCount
    expr: gnatsd_connz_subscriptions > 50
    for: 3m
    labels:
      severity: warning
    annotations:
      summary: Nats high subscriptions count (instance {{ $labels.instance }})
      description: "High number of NATS subscriptions ({{ $value }}) for {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.4. Nats high routes count

High number of NATS routes ({{ $value }}) for {{ $labels.instance }} [copy]

  - alert: NatsHighRoutesCount
    expr: gnatsd_varz_routes > 10
    for: 3m
    labels:
      severity: warning
    annotations:
      summary: Nats high routes count (instance {{ $labels.instance }})
      description: "High number of NATS routes ({{ $value }}) for {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.5. Nats high memory usage

NATS server memory usage is above 200MB for {{ $labels.instance }} [copy]

  - alert: NatsHighMemoryUsage
    expr: gnatsd_varz_mem > 200 * 1024 * 1024
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Nats high memory usage (instance {{ $labels.instance }})
      description: "NATS server memory usage is above 200MB for {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.6. Nats slow consumers

There are slow consumers in NATS for {{ $labels.instance }} [copy]

  - alert: NatsSlowConsumers
    expr: gnatsd_varz_slow_consumers > 0
    for: 3m
    labels:
      severity: critical
    annotations:
      summary: Nats slow consumers (instance {{ $labels.instance }})
      description: "There are slow consumers in NATS for {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.7. Nats server down

NATS server has been down for more than 5 minutes [copy]

  - alert: NatsServerDown
    expr: absent(up{job="nats"})
    for: 5m
    labels:
      severity: critical
    annotations:
      summary: Nats server down (instance {{ $labels.instance }})
      description: "NATS server has been down for more than 5 minutes\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.8. Nats high CPU usage

NATS server is using more than 80% CPU for the last 5 minutes [copy]

  - alert: NatsHighCpuUsage
    expr: rate(gnatsd_varz_cpu[5m]) > 0.8
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Nats high CPU usage (instance {{ $labels.instance }})
      description: "NATS server is using more than 80% CPU for the last 5 minutes\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.9. Nats high number of connections

NATS server has more than 1000 active connections [copy]

  - alert: NatsHighNumberOfConnections
    expr: gnatsd_connz_num_connections > 1000
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Nats high number of connections (instance {{ $labels.instance }})
      description: "NATS server has more than 1000 active connections\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.10. Nats high JetStream store usage

JetStream store usage is over 80% [copy]

  - alert: NatsHighJetstreamStoreUsage
    expr: gnatsd_varz_jetstream_stats_storage / gnatsd_varz_jetstream_config_max_storage > 0.8
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Nats high JetStream store usage (instance {{ $labels.instance }})
      description: "JetStream store usage is over 80%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.11. Nats high JetStream memory usage

JetStream memory usage is over 80% [copy]

  - alert: NatsHighJetstreamMemoryUsage
    expr: gnatsd_varz_jetstream_stats_memory / gnatsd_varz_jetstream_config_max_memory > 0.8
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Nats high JetStream memory usage (instance {{ $labels.instance }})
      description: "JetStream memory usage is over 80%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.12. Nats high number of subscriptions

NATS server has more than 1000 active subscriptions [copy]

  - alert: NatsHighNumberOfSubscriptions
    expr: gnatsd_connz_subscriptions > 1000
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Nats high number of subscriptions (instance {{ $labels.instance }})
      description: "NATS server has more than 1000 active subscriptions\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.13. Nats high pending bytes

NATS server has more than 100,000 pending bytes [copy]

  - alert: NatsHighPendingBytes
    expr: gnatsd_connz_pending_bytes > 100000
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Nats high pending bytes (instance {{ $labels.instance }})
      description: "NATS server has more than 100,000 pending bytes\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.14. Nats too many errors

NATS server has encountered errors in the last 5 minutes [copy]

  - alert: NatsTooManyErrors
    expr: increase(gnatsd_varz_jetstream_stats_api_errors[5m]) > 0
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Nats too many errors (instance {{ $labels.instance }})
      description: "NATS server has encountered errors in the last 5 minutes\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.15. Nats JetStream consumers exceeded

JetStream has more than 100 active consumers [copy]

  - alert: NatsJetstreamConsumersExceeded
    expr: sum(gnatsd_varz_jetstream_stats_accounts) > 100
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Nats JetStream consumers exceeded (instance {{ $labels.instance }})
      description: "JetStream has more than 100 active consumers\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.16. Nats frequent authentication timeouts

There have been more than 5 authentication timeouts in the last 5 minutes [copy]

  - alert: NatsFrequentAuthenticationTimeouts
    expr: increase(gnatsd_varz_auth_timeout[5m]) > 5
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Nats frequent authentication timeouts (instance {{ $labels.instance }})
      description: "There have been more than 5 authentication timeouts in the last 5 minutes\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.17. Nats max payload size exceeded

The max payload size allowed by NATS has been exceeded (1MB) [copy]

  - alert: NatsMaxPayloadSizeExceeded
    expr: max(gnatsd_varz_max_payload) > 1024 * 1024
    for: 5m
    labels:
      severity: critical
    annotations:
      summary: Nats max payload size exceeded (instance {{ $labels.instance }})
      description: "The max payload size allowed by NATS has been exceeded (1MB)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.18. Nats leaf node connection issue

No leaf node connections have been established in the last 5 minutes [copy]

  - alert: NatsLeafNodeConnectionIssue
    expr: increase(gnatsd_varz_leafnodes[5m]) == 0
    for: 5m
    labels:
      severity: critical
    annotations:
      summary: Nats leaf node connection issue (instance {{ $labels.instance }})
      description: "No leaf node connections have been established in the last 5 minutes\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.19. Nats max ping operations exceeded

The maximum number of ping operations in NATS has exceeded 50 [copy]

  - alert: NatsMaxPingOperationsExceeded
    expr: gnatsd_varz_ping_max > 50
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Nats max ping operations exceeded (instance {{ $labels.instance }})
      description: "The maximum number of ping operations in NATS has exceeded 50\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.16.20. Nats write deadline exceeded

The write deadline has been exceeded in NATS, indicating potential message delivery issues [copy]

  - alert: NatsWriteDeadlineExceeded
    expr: gnatsd_varz_write_deadline > 10
    for: 5m
    labels:
      severity: critical
    annotations:
      summary: Nats write deadline exceeded (instance {{ $labels.instance }})
      description: "The write deadline has been exceeded in NATS, indicating potential message delivery issues\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.17. Solr : embedded exporter (4 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/solr/embedded-exporter.yml

# 2.17.1. Solr update errors

Solr collection {{ $labels.collection }} has failed updates for replica {{ $labels.replica }} on {{ $labels.base_url }}. [copy]

  - alert: SolrUpdateErrors
    expr: increase(solr_metrics_core_update_handler_errors_total[1m]) > 1
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Solr update errors (instance {{ $labels.instance }})
      description: "Solr collection {{ $labels.collection }} has failed updates for replica {{ $labels.replica }} on {{ $labels.base_url }}.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.17.2. Solr query errors

Solr has increased query errors in collection {{ $labels.collection }} for replica {{ $labels.replica }} on {{ $labels.base_url }}. [copy]

  - alert: SolrQueryErrors
    expr: increase(solr_metrics_core_errors_total{category="QUERY"}[1m]) > 1
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Solr query errors (instance {{ $labels.instance }})
      description: "Solr has increased query errors in collection {{ $labels.collection }} for replica {{ $labels.replica }} on {{ $labels.base_url }}.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.17.3. Solr replication errors

Solr collection {{ $labels.collection }} has failed updates for replica {{ $labels.replica }} on {{ $labels.base_url }}. [copy]

  - alert: SolrReplicationErrors
    expr: increase(solr_metrics_core_errors_total{category="REPLICATION"}[1m]) > 1
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Solr replication errors (instance {{ $labels.instance }})
      description: "Solr collection {{ $labels.collection }} has failed updates for replica {{ $labels.replica }} on {{ $labels.base_url }}.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.17.4. Solr low live node count

Solr collection {{ $labels.collection }} has less than two live nodes for replica {{ $labels.replica }} on {{ $labels.base_url }}. [copy]

  - alert: SolrLowLiveNodeCount
    expr: solr_collections_live_nodes < 2
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Solr low live node count (instance {{ $labels.instance }})
      description: "Solr collection {{ $labels.collection }} has less than two live nodes for replica {{ $labels.replica }} on {{ $labels.base_url }}.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.18. Hadoop : hadoop/jmx_exporter (10 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/hadoop/jmx_exporter.yml

# 2.18.1. Hadoop Name Node Down

The Hadoop NameNode service is unavailable. [copy]

  - alert: HadoopNameNodeDown
    expr: up{job="hadoop-namenode"} == 0
    for: 5m
    labels:
      severity: critical
    annotations:
      summary: Hadoop Name Node Down (instance {{ $labels.instance }})
      description: "The Hadoop NameNode service is unavailable.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.18.2. Hadoop Resource Manager Down

The Hadoop ResourceManager service is unavailable. [copy]

  - alert: HadoopResourceManagerDown
    expr: up{job="hadoop-resourcemanager"} == 0
    for: 5m
    labels:
      severity: critical
    annotations:
      summary: Hadoop Resource Manager Down (instance {{ $labels.instance }})
      description: "The Hadoop ResourceManager service is unavailable.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.18.3. Hadoop Data Node Out Of Service

The Hadoop DataNode is not sending heartbeats. [copy]

  - alert: HadoopDataNodeOutOfService
    expr: hadoop_datanode_last_heartbeat == 0
    for: 10m
    labels:
      severity: warning
    annotations:
      summary: Hadoop Data Node Out Of Service (instance {{ $labels.instance }})
      description: "The Hadoop DataNode is not sending heartbeats.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.18.4. Hadoop HDFS Disk Space Low

Available HDFS disk space is running low. [copy]

  - alert: HadoopHdfsDiskSpaceLow
    expr: (hadoop_hdfs_bytes_total - hadoop_hdfs_bytes_used) / hadoop_hdfs_bytes_total < 0.1
    for: 15m
    labels:
      severity: warning
    annotations:
      summary: Hadoop HDFS Disk Space Low (instance {{ $labels.instance }})
      description: "Available HDFS disk space is running low.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.18.5. Hadoop Map Reduce Task Failures

There is an unusually high number of MapReduce task failures. [copy]

  - alert: HadoopMapReduceTaskFailures
    expr: hadoop_mapreduce_task_failures_total > 100
    for: 10m
    labels:
      severity: critical
    annotations:
      summary: Hadoop Map Reduce Task Failures (instance {{ $labels.instance }})
      description: "There is an unusually high number of MapReduce task failures.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.18.6. Hadoop Resource Manager Memory High

The Hadoop ResourceManager is approaching its memory limit. [copy]

  - alert: HadoopResourceManagerMemoryHigh
    expr: hadoop_resourcemanager_memory_bytes / hadoop_resourcemanager_memory_max_bytes > 0.8
    for: 15m
    labels:
      severity: warning
    annotations:
      summary: Hadoop Resource Manager Memory High (instance {{ $labels.instance }})
      description: "The Hadoop ResourceManager is approaching its memory limit.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.18.7. Hadoop YARN Container Allocation Failures

There is a significant number of YARN container allocation failures. [copy]

  - alert: HadoopYarnContainerAllocationFailures
    expr: hadoop_yarn_container_allocation_failures_total > 10
    for: 10m
    labels:
      severity: warning
    annotations:
      summary: Hadoop YARN Container Allocation Failures (instance {{ $labels.instance }})
      description: "There is a significant number of YARN container allocation failures.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.18.8. Hadoop HBase Region Count High

The HBase cluster has an unusually high number of regions. [copy]

  - alert: HadoopHbaseRegionCountHigh
    expr: hadoop_hbase_region_count > 5000
    for: 15m
    labels:
      severity: warning
    annotations:
      summary: Hadoop HBase Region Count High (instance {{ $labels.instance }})
      description: "The HBase cluster has an unusually high number of regions.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.18.9. Hadoop HBase Region Server Heap Low

HBase Region Servers are running low on heap space. [copy]

  - alert: HadoopHbaseRegionServerHeapLow
    expr: hadoop_hbase_region_server_heap_bytes / hadoop_hbase_region_server_max_heap_bytes < 0.2
    for: 10m
    labels:
      severity: critical
    annotations:
      summary: Hadoop HBase Region Server Heap Low (instance {{ $labels.instance }})
      description: "HBase Region Servers are running low on heap space.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 2.18.10. Hadoop HBase Write Requests Latency High

HBase Write Requests are experiencing high latency. [copy]

  - alert: HadoopHbaseWriteRequestsLatencyHigh
    expr: hadoop_hbase_write_requests_latency_seconds > 0.5
    for: 10m
    labels:
      severity: warning
    annotations:
      summary: Hadoop HBase Write Requests Latency High (instance {{ $labels.instance }})
      description: "HBase Write Requests are experiencing high latency.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.1. Nginx : knyar/nginx-lua-prometheus (3 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/nginx/knyar-nginx-exporter.yml

# 3.1.1. Nginx high HTTP 4xx error rate

Too many HTTP requests with status 4xx (> 5%) [copy]

  - alert: NginxHighHttp4xxErrorRate
    expr: sum(rate(nginx_http_requests_total{status=~"^4.."}[1m])) / sum(rate(nginx_http_requests_total[1m])) * 100 > 5
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: Nginx high HTTP 4xx error rate (instance {{ $labels.instance }})
      description: "Too many HTTP requests with status 4xx (> 5%)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.1.2. Nginx high HTTP 5xx error rate

Too many HTTP requests with status 5xx (> 5%) [copy]

  - alert: NginxHighHttp5xxErrorRate
    expr: sum(rate(nginx_http_requests_total{status=~"^5.."}[1m])) / sum(rate(nginx_http_requests_total[1m])) * 100 > 5
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: Nginx high HTTP 5xx error rate (instance {{ $labels.instance }})
      description: "Too many HTTP requests with status 5xx (> 5%)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.1.3. Nginx latency high

Nginx p99 latency is higher than 3 seconds [copy]

  - alert: NginxLatencyHigh
    expr: histogram_quantile(0.99, sum(rate(nginx_http_request_duration_seconds_bucket[2m])) by (host, node, le)) > 3
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Nginx latency high (instance {{ $labels.instance }})
      description: "Nginx p99 latency is higher than 3 seconds\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.2. Apache : Lusitaniae/apache_exporter (3 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/apache/lusitaniae-apache-exporter.yml

# 3.2.1. Apache down

Apache down [copy]

  - alert: ApacheDown
    expr: apache_up == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Apache down (instance {{ $labels.instance }})
      description: "Apache down\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.2.2. Apache workers load

Apache workers in busy state approach the max workers count 80% workers busy on {{ $labels.instance }} [copy]

  - alert: ApacheWorkersLoad
    expr: (sum by (instance) (apache_workers{state="busy"}) / sum by (instance) (apache_scoreboard) ) * 100 > 80
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Apache workers load (instance {{ $labels.instance }})
      description: "Apache workers in busy state approach the max workers count 80% workers busy on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.2.3. Apache restart

Apache has just been restarted. [copy]

  - alert: ApacheRestart
    expr: apache_uptime_seconds_total / 60 < 1
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Apache restart (instance {{ $labels.instance }})
      description: "Apache has just been restarted.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.1. HaProxy : Embedded exporter (HAProxy >= v2) (14 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/haproxy/embedded-exporter-v2.yml

# 3.3.1.1. HAProxy high HTTP 4xx error rate backend

Too many HTTP requests with status 4xx (> 5%) on backend {{ $labels.fqdn }}/{{ $labels.backend }} [copy]

  - alert: HaproxyHighHttp4xxErrorRateBackend
    expr: ((sum by (proxy) (rate(haproxy_server_http_responses_total{code="4xx"}[1m])) / sum by (proxy) (rate(haproxy_server_http_responses_total[1m]))) * 100) > 5
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: HAProxy high HTTP 4xx error rate backend (instance {{ $labels.instance }})
      description: "Too many HTTP requests with status 4xx (> 5%) on backend {{ $labels.fqdn }}/{{ $labels.backend }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.1.2. HAProxy high HTTP 5xx error rate backend

Too many HTTP requests with status 5xx (> 5%) on backend {{ $labels.fqdn }}/{{ $labels.backend }} [copy]

  - alert: HaproxyHighHttp5xxErrorRateBackend
    expr: ((sum by (proxy) (rate(haproxy_server_http_responses_total{code="5xx"}[1m])) / sum by (proxy) (rate(haproxy_server_http_responses_total[1m]))) * 100) > 5
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: HAProxy high HTTP 5xx error rate backend (instance {{ $labels.instance }})
      description: "Too many HTTP requests with status 5xx (> 5%) on backend {{ $labels.fqdn }}/{{ $labels.backend }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.1.3. HAProxy high HTTP 4xx error rate server

Too many HTTP requests with status 4xx (> 5%) on server {{ $labels.server }} [copy]

  - alert: HaproxyHighHttp4xxErrorRateServer
    expr: ((sum by (server) (rate(haproxy_server_http_responses_total{code="4xx"}[1m])) / sum by (server) (rate(haproxy_server_http_responses_total[1m]))) * 100) > 5
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: HAProxy high HTTP 4xx error rate server (instance {{ $labels.instance }})
      description: "Too many HTTP requests with status 4xx (> 5%) on server {{ $labels.server }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.1.4. HAProxy high HTTP 5xx error rate server

Too many HTTP requests with status 5xx (> 5%) on server {{ $labels.server }} [copy]

  - alert: HaproxyHighHttp5xxErrorRateServer
    expr: ((sum by (server) (rate(haproxy_server_http_responses_total{code="5xx"}[1m])) / sum by (server) (rate(haproxy_server_http_responses_total[1m]))) * 100) > 5
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: HAProxy high HTTP 5xx error rate server (instance {{ $labels.instance }})
      description: "Too many HTTP requests with status 5xx (> 5%) on server {{ $labels.server }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.1.5. HAProxy server response errors

Too many response errors to {{ $labels.server }} server (> 5%). [copy]

  - alert: HaproxyServerResponseErrors
    expr: (sum by (server) (rate(haproxy_server_response_errors_total[1m])) / sum by (server) (rate(haproxy_server_http_responses_total[1m]))) * 100 > 5
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: HAProxy server response errors (instance {{ $labels.instance }})
      description: "Too many response errors to {{ $labels.server }} server (> 5%).\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.1.6. HAProxy backend connection errors

Too many connection errors to {{ $labels.fqdn }}/{{ $labels.backend }} backend (> 100 req/s). Request throughput may be too high. [copy]

  - alert: HaproxyBackendConnectionErrors
    expr: (sum by (proxy) (rate(haproxy_backend_connection_errors_total[1m]))) > 100
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: HAProxy backend connection errors (instance {{ $labels.instance }})
      description: "Too many connection errors to {{ $labels.fqdn }}/{{ $labels.backend }} backend (> 100 req/s). Request throughput may be too high.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.1.7. HAProxy server connection errors

Too many connection errors to {{ $labels.server }} server (> 100 req/s). Request throughput may be too high. [copy]

  - alert: HaproxyServerConnectionErrors
    expr: (sum by (proxy) (rate(haproxy_server_connection_errors_total[1m]))) > 100
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: HAProxy server connection errors (instance {{ $labels.instance }})
      description: "Too many connection errors to {{ $labels.server }} server (> 100 req/s). Request throughput may be too high.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.1.8. HAProxy backend max active session > 80%

Session limit from backend {{ $labels.proxy }} to server {{ $labels.server }} reached 80% of limit - {{ $value | printf "%.2f"}}% [copy]

  - alert: HaproxyBackendMaxActiveSession>80%
    expr: ((haproxy_server_max_sessions >0) * 100) / (haproxy_server_limit_sessions > 0) > 80
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: HAProxy backend max active session > 80% (instance {{ $labels.instance }})
      description: "Session limit from backend {{ $labels.proxy }} to server {{ $labels.server }} reached 80% of limit - {{ $value | printf \"%.2f\"}}%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.1.9. HAProxy pending requests

Some HAProxy requests are pending on {{ $labels.proxy }} - {{ $value | printf "%.2f"}} [copy]

  - alert: HaproxyPendingRequests
    expr: sum by (proxy) (rate(haproxy_backend_current_queue[2m])) > 0
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: HAProxy pending requests (instance {{ $labels.instance }})
      description: "Some HAProxy requests are pending on {{ $labels.proxy }} - {{ $value | printf \"%.2f\"}}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.1.10. HAProxy HTTP slowing down

Average request time is increasing - {{ $value | printf "%.2f"}} [copy]

  - alert: HaproxyHttpSlowingDown
    expr: avg by (instance, proxy) (haproxy_backend_max_total_time_seconds) > 1
    for: 1m
    labels:
      severity: warning
    annotations:
      summary: HAProxy HTTP slowing down (instance {{ $labels.instance }})
      description: "Average request time is increasing - {{ $value | printf \"%.2f\"}}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.1.11. HAProxy retry high

High rate of retry on {{ $labels.proxy }} - {{ $value | printf "%.2f"}} [copy]

  - alert: HaproxyRetryHigh
    expr: sum by (proxy) (rate(haproxy_backend_retry_warnings_total[1m])) > 10
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: HAProxy retry high (instance {{ $labels.instance }})
      description: "High rate of retry on {{ $labels.proxy }} - {{ $value | printf \"%.2f\"}}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.1.12. HAproxy has no alive backends

HAProxy has no alive active or backup backends for {{ $labels.proxy }} [copy]

  - alert: HaproxyHasNoAliveBackends
    expr: haproxy_backend_active_servers + haproxy_backend_backup_servers == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: HAproxy has no alive backends (instance {{ $labels.instance }})
      description: "HAProxy has no alive active or backup backends for {{ $labels.proxy }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.1.13. HAProxy frontend security blocked requests

HAProxy is blocking requests for security reason [copy]

  - alert: HaproxyFrontendSecurityBlockedRequests
    expr: sum by (proxy) (rate(haproxy_frontend_denied_connections_total[2m])) > 10
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: HAProxy frontend security blocked requests (instance {{ $labels.instance }})
      description: "HAProxy is blocking requests for security reason\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.1.14. HAProxy server healthcheck failure

Some server healthcheck are failing on {{ $labels.server }} [copy]

  - alert: HaproxyServerHealthcheckFailure
    expr: increase(haproxy_server_check_failures_total[1m]) > 0
    for: 1m
    labels:
      severity: warning
    annotations:
      summary: HAProxy server healthcheck failure (instance {{ $labels.instance }})
      description: "Some server healthcheck are failing on {{ $labels.server }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.2. HaProxy : prometheus/haproxy_exporter (HAProxy < v2) (16 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/haproxy/haproxy-exporter-v1.yml

# 3.3.2.1. HAProxy down

HAProxy down [copy]

  - alert: HaproxyDown
    expr: haproxy_up == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: HAProxy down (instance {{ $labels.instance }})
      description: "HAProxy down\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.2.2. HAProxy high HTTP 4xx error rate backend

Too many HTTP requests with status 4xx (> 5%) on backend {{ $labels.fqdn }}/{{ $labels.backend }} [copy]

  - alert: HaproxyHighHttp4xxErrorRateBackend
    expr: sum by (backend) (rate(haproxy_server_http_responses_total{code="4xx"}[1m])) / sum by (backend) (rate(haproxy_server_http_responses_total[1m])) > 5
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: HAProxy high HTTP 4xx error rate backend (instance {{ $labels.instance }})
      description: "Too many HTTP requests with status 4xx (> 5%) on backend {{ $labels.fqdn }}/{{ $labels.backend }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.2.3. HAProxy high HTTP 5xx error rate backend

Too many HTTP requests with status 5xx (> 5%) on backend {{ $labels.fqdn }}/{{ $labels.backend }} [copy]

  - alert: HaproxyHighHttp5xxErrorRateBackend
    expr: sum by (backend) (rate(haproxy_server_http_responses_total{code="5xx"}[1m])) / sum by (backend) (rate(haproxy_server_http_responses_total[1m])) > 5
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: HAProxy high HTTP 5xx error rate backend (instance {{ $labels.instance }})
      description: "Too many HTTP requests with status 5xx (> 5%) on backend {{ $labels.fqdn }}/{{ $labels.backend }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.2.4. HAProxy high HTTP 4xx error rate server

Too many HTTP requests with status 4xx (> 5%) on server {{ $labels.server }} [copy]

  - alert: HaproxyHighHttp4xxErrorRateServer
    expr: sum by (server) (rate(haproxy_server_http_responses_total{code="4xx"}[1m]) * 100) / sum by (server) (rate(haproxy_server_http_responses_total[1m])) > 5
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: HAProxy high HTTP 4xx error rate server (instance {{ $labels.instance }})
      description: "Too many HTTP requests with status 4xx (> 5%) on server {{ $labels.server }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.2.5. HAProxy high HTTP 5xx error rate server

Too many HTTP requests with status 5xx (> 5%) on server {{ $labels.server }} [copy]

  - alert: HaproxyHighHttp5xxErrorRateServer
    expr: sum by (server) (rate(haproxy_server_http_responses_total{code="5xx"}[1m]) * 100) / sum by (server) (rate(haproxy_server_http_responses_total[1m])) > 5
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: HAProxy high HTTP 5xx error rate server (instance {{ $labels.instance }})
      description: "Too many HTTP requests with status 5xx (> 5%) on server {{ $labels.server }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.2.6. HAProxy server response errors

Too many response errors to {{ $labels.server }} server (> 5%). [copy]

  - alert: HaproxyServerResponseErrors
    expr: sum by (server) (rate(haproxy_server_response_errors_total[1m]) * 100) / sum by (server) (rate(haproxy_server_http_responses_total[1m])) > 5
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: HAProxy server response errors (instance {{ $labels.instance }})
      description: "Too many response errors to {{ $labels.server }} server (> 5%).\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.2.7. HAProxy backend connection errors

Too many connection errors to {{ $labels.fqdn }}/{{ $labels.backend }} backend (> 100 req/s). Request throughput may be too high. [copy]

  - alert: HaproxyBackendConnectionErrors
    expr: sum by (backend) (rate(haproxy_backend_connection_errors_total[1m])) > 100
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: HAProxy backend connection errors (instance {{ $labels.instance }})
      description: "Too many connection errors to {{ $labels.fqdn }}/{{ $labels.backend }} backend (> 100 req/s). Request throughput may be too high.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.2.8. HAProxy server connection errors

Too many connection errors to {{ $labels.server }} server (> 100 req/s). Request throughput may be too high. [copy]

  - alert: HaproxyServerConnectionErrors
    expr: sum by (server) (rate(haproxy_server_connection_errors_total[1m])) > 100
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: HAProxy server connection errors (instance {{ $labels.instance }})
      description: "Too many connection errors to {{ $labels.server }} server (> 100 req/s). Request throughput may be too high.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.2.9. HAProxy backend max active session

HAproxy backend {{ $labels.fqdn }}/{{ $labels.backend }} is reaching session limit (> 80%). [copy]

  - alert: HaproxyBackendMaxActiveSession
    expr: ((sum by (backend) (avg_over_time(haproxy_backend_current_sessions[2m]) * 100) / sum by (backend) (avg_over_time(haproxy_backend_limit_sessions[2m])))) > 80
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: HAProxy backend max active session (instance {{ $labels.instance }})
      description: "HAproxy backend {{ $labels.fqdn }}/{{ $labels.backend }} is reaching session limit (> 80%).\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.2.10. HAProxy pending requests

Some HAProxy requests are pending on {{ $labels.fqdn }}/{{ $labels.backend }} backend [copy]

  - alert: HaproxyPendingRequests
    expr: sum by (backend) (haproxy_backend_current_queue) > 0
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: HAProxy pending requests (instance {{ $labels.instance }})
      description: "Some HAProxy requests are pending on {{ $labels.fqdn }}/{{ $labels.backend }} backend\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.2.11. HAProxy HTTP slowing down

Average request time is increasing [copy]

  - alert: HaproxyHttpSlowingDown
    expr: avg by (backend) (haproxy_backend_http_total_time_average_seconds) > 1
    for: 1m
    labels:
      severity: warning
    annotations:
      summary: HAProxy HTTP slowing down (instance {{ $labels.instance }})
      description: "Average request time is increasing\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.2.12. HAProxy retry high

High rate of retry on {{ $labels.fqdn }}/{{ $labels.backend }} backend [copy]

  - alert: HaproxyRetryHigh
    expr: sum by (backend) (rate(haproxy_backend_retry_warnings_total[1m])) > 10
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: HAProxy retry high (instance {{ $labels.instance }})
      description: "High rate of retry on {{ $labels.fqdn }}/{{ $labels.backend }} backend\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.2.13. HAProxy backend down

HAProxy backend is down [copy]

  - alert: HaproxyBackendDown
    expr: haproxy_backend_up == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: HAProxy backend down (instance {{ $labels.instance }})
      description: "HAProxy backend is down\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.2.14. HAProxy server down

HAProxy server is down [copy]

  - alert: HaproxyServerDown
    expr: haproxy_server_up == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: HAProxy server down (instance {{ $labels.instance }})
      description: "HAProxy server is down\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.2.15. HAProxy frontend security blocked requests

HAProxy is blocking requests for security reason [copy]

  - alert: HaproxyFrontendSecurityBlockedRequests
    expr: sum by (frontend) (rate(haproxy_frontend_requests_denied_total[2m])) > 10
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: HAProxy frontend security blocked requests (instance {{ $labels.instance }})
      description: "HAProxy is blocking requests for security reason\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.3.2.16. HAProxy server healthcheck failure

Some server healthcheck are failing on {{ $labels.server }} [copy]

  - alert: HaproxyServerHealthcheckFailure
    expr: increase(haproxy_server_check_failures_total[1m]) > 0
    for: 1m
    labels:
      severity: warning
    annotations:
      summary: HAProxy server healthcheck failure (instance {{ $labels.instance }})
      description: "Some server healthcheck are failing on {{ $labels.server }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.4.1. Traefik : Embedded exporter v2 (3 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/traefik/embedded-exporter-v2.yml

# 3.4.1.1. Traefik service down

All Traefik services are down [copy]

  - alert: TraefikServiceDown
    expr: count(traefik_service_server_up) by (service) == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Traefik service down (instance {{ $labels.instance }})
      description: "All Traefik services are down\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.4.1.2. Traefik high HTTP 4xx error rate service

Traefik service 4xx error rate is above 5% [copy]

  - alert: TraefikHighHttp4xxErrorRateService
    expr: sum(rate(traefik_service_requests_total{code=~"4.*"}[3m])) by (service) / sum(rate(traefik_service_requests_total[3m])) by (service) * 100 > 5
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: Traefik high HTTP 4xx error rate service (instance {{ $labels.instance }})
      description: "Traefik service 4xx error rate is above 5%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.4.1.3. Traefik high HTTP 5xx error rate service

Traefik service 5xx error rate is above 5% [copy]

  - alert: TraefikHighHttp5xxErrorRateService
    expr: sum(rate(traefik_service_requests_total{code=~"5.*"}[3m])) by (service) / sum(rate(traefik_service_requests_total[3m])) by (service) * 100 > 5
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: Traefik high HTTP 5xx error rate service (instance {{ $labels.instance }})
      description: "Traefik service 5xx error rate is above 5%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.4.2. Traefik : Embedded exporter v1 (3 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/traefik/embedded-exporter-v1.yml

# 3.4.2.1. Traefik backend down

All Traefik backends are down [copy]

  - alert: TraefikBackendDown
    expr: count(traefik_backend_server_up) by (backend) == 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Traefik backend down (instance {{ $labels.instance }})
      description: "All Traefik backends are down\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.4.2.2. Traefik high HTTP 4xx error rate backend

Traefik backend 4xx error rate is above 5% [copy]

  - alert: TraefikHighHttp4xxErrorRateBackend
    expr: sum(rate(traefik_backend_requests_total{code=~"4.*"}[3m])) by (backend) / sum(rate(traefik_backend_requests_total[3m])) by (backend) * 100 > 5
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: Traefik high HTTP 4xx error rate backend (instance {{ $labels.instance }})
      description: "Traefik backend 4xx error rate is above 5%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 3.4.2.3. Traefik high HTTP 5xx error rate backend

Traefik backend 5xx error rate is above 5% [copy]

  - alert: TraefikHighHttp5xxErrorRateBackend
    expr: sum(rate(traefik_backend_requests_total{code=~"5.*"}[3m])) by (backend) / sum(rate(traefik_backend_requests_total[3m])) by (backend) * 100 > 5
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: Traefik high HTTP 5xx error rate backend (instance {{ $labels.instance }})
      description: "Traefik backend 5xx error rate is above 5%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 4.1. PHP-FPM : bakins/php-fpm-exporter (1 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/php-fpm/bakins-fpm-exporter.yml

# 4.1.1. PHP-FPM max-children reached

PHP-FPM reached max children - {{ $labels.instance }} [copy]

  - alert: Php-fpmMax-childrenReached
    expr: sum(phpfpm_max_children_reached_total) by (instance) > 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: PHP-FPM max-children reached (instance {{ $labels.instance }})
      description: "PHP-FPM reached max children - {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 4.2. JVM : java-client (1 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/jvm/jvm-exporter.yml

# 4.2.1. JVM memory filling up

JVM memory is filling up (> 80%) [copy]

  - alert: JvmMemoryFillingUp
    expr: (sum by (instance)(jvm_memory_used_bytes{area="heap"}) / sum by (instance)(jvm_memory_max_bytes{area="heap"})) * 100 > 80
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: JVM memory filling up (instance {{ $labels.instance }})
      description: "JVM memory is filling up (> 80%)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 4.3. Sidekiq : Strech/sidekiq-prometheus-exporter (2 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/sidekiq/strech-sidekiq-exporter.yml

# 4.3.1. Sidekiq queue size

Sidekiq queue {{ $labels.name }} is growing [copy]

  - alert: SidekiqQueueSize
    expr: sidekiq_queue_size > 100
    for: 1m
    labels:
      severity: warning
    annotations:
      summary: Sidekiq queue size (instance {{ $labels.instance }})
      description: "Sidekiq queue {{ $labels.name }} is growing\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 4.3.2. Sidekiq scheduling latency too high

Sidekiq jobs are taking more than 1min to be picked up. Users may be seeing delays in background processing. [copy]

  - alert: SidekiqSchedulingLatencyTooHigh
    expr: max(sidekiq_queue_latency) > 60
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Sidekiq scheduling latency too high (instance {{ $labels.instance }})
      description: "Sidekiq jobs are taking more than 1min to be picked up. Users may be seeing delays in background processing.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 5.1. Kubernetes : kube-state-metrics (35 rules) [copy section]

$ wget https://raw.githubusercontent.com/samber/awesome-prometheus-alerts/master/dist/rules/kubernetes/kubestate-exporter.yml

# 5.1.1. Kubernetes Node not ready

Node {{ $labels.node }} has been unready for a long time [copy]

  - alert: KubernetesNodeNotReady
    expr: kube_node_status_condition{condition="Ready",status="true"} == 0
    for: 10m
    labels:
      severity: critical
    annotations:
      summary: Kubernetes Node not ready (instance {{ $labels.instance }})
      description: "Node {{ $labels.node }} has been unready for a long time\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 5.1.2. Kubernetes Node memory pressure

Node {{ $labels.node }} has MemoryPressure condition [copy]

  - alert: KubernetesNodeMemoryPressure
    expr: kube_node_status_condition{condition="MemoryPressure",status="true"} == 1
    for: 2m
    labels:
      severity: critical
    annotations:
      summary: Kubernetes Node memory pressure (instance {{ $labels.instance }})
      description: "Node {{ $labels.node }} has MemoryPressure condition\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 5.1.3. Kubernetes Node disk pressure

Node {{ $labels.node }} has DiskPressure condition [copy]

  - alert: KubernetesNodeDiskPressure
    expr: kube_node_status_condition{condition="DiskPressure",status="true"} == 1
    for: 2m
    labels:
      severity: critical
    annotations:
      summary: Kubernetes Node disk pressure (instance {{ $labels.instance }})
      description: "Node {{ $labels.node }} has DiskPressure condition\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

# 5.1.4. Kubernetes Node network unavailable

Node {{ $labels.node }} has NetworkUnavailable condition [copy]