mirror of
https://github.com/samber/awesome-prometheus-alerts.git
synced 2026-06-26 11:27:00 +08:00
Removed queries that throw errors when systems are upgraded. Also fixed and simplified a few Postgres queries.
This commit is contained in:
Evi Vanoost
parent
45a711f921
commit
46043360de
1 changed files with 57 additions and 45 deletions
102
_data/rules.yml
102
_data/rules.yml
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@ -137,37 +137,37 @@ groups:
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rules:
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- name: Host out of memory
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description: Node memory is filling up (< 10% left)
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query: '(node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes < .10) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '(node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes < .10)'
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severity: warning
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for: 2m
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- name: Host memory under memory pressure
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description: The node is under heavy memory pressure. High rate of loading memory pages from disk.
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query: '(rate(node_vmstat_pgmajfault[5m]) > 1000) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '(rate(node_vmstat_pgmajfault[5m]) > 1000)'
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severity: warning
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- name: Host Memory is underutilized
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description: "Node memory usage is < 20% for 1 week. Consider reducing memory space. (instance {{ $labels.instance }})"
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# We use MemFree, many buffers (ZFS, databases etc) are declared as available memory, but would perform poorly if reduced
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query: '((avg_over_time(node_memory_MemFree_bytes[30m]) / node_memory_MemTotal_bytes) > .80) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '((avg_over_time(node_memory_MemFree_bytes[30m]) / node_memory_MemTotal_bytes) > .80)'
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severity: info
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for: 1w
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comments: |
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You may want to increase the alert manager 'repeat_interval' for this type of alert to daily or weekly
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- name: Host unusual network throughput in
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description: "Host receive bandwidth is high (>80%)"
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query: '((rate(node_network_receive_bytes_total[5m]) / on(instance, device) node_network_speed_bytes) > .80) * on (instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '((rate(node_network_receive_bytes_total[5m]) / on(instance, device) node_network_speed_bytes) > .80)'
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severity: warning
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- name: Host unusual network throughput out
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description: "Host transmit bandwidth is high (>80%)"
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query: '((rate(node_network_transmit_bytes_total[5m]) / on(instance, device) node_network_speed_bytes) > .80) * on (instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '((rate(node_network_transmit_bytes_total[5m]) / on(instance, device) node_network_speed_bytes) > .80)'
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severity: warning
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- name: Host unusual disk read rate
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description: "Disk is too busy (IO wait > 80%)"
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query: '(rate(node_disk_io_time_seconds_total[5m]) > .80) * on (instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '(rate(node_disk_io_time_seconds_total[5m]) > .80)'
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severity: warning
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- name: Host out of disk space
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description: "Disk is almost full (< 10% left)"
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# Network filesystems have quotas etc. and should not be included in this alert
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query: '(node_filesystem_avail_bytes{fstype!~"^(fuse.*|tmpfs|cifs|nfs)"} / node_filesystem_size_bytes < .10 and on (instance, device, mountpoint) node_filesystem_readonly == 0) * on (instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '(node_filesystem_avail_bytes{fstype!~"^(fuse.*|tmpfs|cifs|nfs)"} / node_filesystem_size_bytes < .10 and on (instance, device, mountpoint) node_filesystem_readonly == 0)'
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severity: critical
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comments: |
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Please add ignored mountpoints in node_exporter parameters like
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@ -185,7 +185,7 @@ groups:
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for: 2m
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- name: Host out of inodes
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description: Disk is almost running out of available inodes (< 10% left)
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query: '(node_filesystem_files_free{fstype!="msdosfs"} / node_filesystem_files{fstype!="msdosfs"} < .10 and ON (instance, device, mountpoint) node_filesystem_readonly == 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '(node_filesystem_files_free{fstype!="msdosfs"} / node_filesystem_files{fstype!="msdosfs"} < .10 and ON (instance, device, mountpoint) node_filesystem_readonly == 0)'
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severity: critical
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for: 2m
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- name: Host filesystem device error
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@ -204,41 +204,41 @@ groups:
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for: 2m
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- name: Host unusual disk read latency
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description: Disk latency is growing (read operations > 100ms)
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query: '(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=~".+"}'
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query: '(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)'
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severity: warning
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for: 2m
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- name: Host unusual disk write latency
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description: Disk latency is growing (write operations > 100ms)
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query: '(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=~".+"}'
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query: '(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)'
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severity: warning
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for: 2m
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- name: Host high CPU load
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description: CPU load is > 80%
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query: '((avg by (instance) (rate(node_cpu_seconds_total{mode!="idle"}[2m]))) > .80) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '((avg by (instance) (rate(node_cpu_seconds_total{mode!="idle"}[2m]))) > .80)'
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severity: warning
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for: 10m
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- name: Host CPU is underutilized
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description: "CPU load has been < 20% for 1 week. Consider reducing the number of CPUs."
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query: '((avg by (instance) (rate(node_cpu_seconds_total{mode="idle"}[1h]))) > .80) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '(avg by (instance) (rate(node_cpu_seconds_total{mode="idle"}[1h]))) > .80'
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severity: info
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for: 1w
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comments: |
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You may want to increase the alert manager 'repeat_interval' for this type of alert to daily or weekly
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- name: Host CPU steal noisy neighbor
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description: CPU steal is > 10%. A noisy neighbor is killing VM performances or a spot instance may be out of credit.
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query: '(avg by(instance) (rate(node_cpu_seconds_total{mode="steal"}[5m])) * 100 > 10) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: 'avg by(instance) (rate(node_cpu_seconds_total{mode="steal"}[5m])) * 100 > 10'
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severity: warning
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- name: Host CPU high iowait
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description: CPU iowait > 10%. Your CPU is idling waiting for storage to respond.
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query: '(avg by (instance) (rate(node_cpu_seconds_total{mode="iowait"}[5m])) > .10) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: 'avg by (instance) (rate(node_cpu_seconds_total{mode="iowait"}[5m])) > .10'
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severity: warning
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- name: Host unusual disk IO
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description: "Disk usage >80%. Check storage for issues or increase IOPS capabilities."
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query: '(rate(node_disk_io_time_seconds_total[5m]) > 0.8) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: 'rate(node_disk_io_time_seconds_total[5m]) > 0.8'
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severity: warning
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- name: Host context switching
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description: Context switching is growing on the node (> 10000 / CPU / s)
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query: '((rate(node_context_switches_total[5m])) / (count without(cpu, mode) (node_cpu_seconds_total{mode="idle"})) > 10000) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '(rate(node_context_switches_total[5m])) / (count without(cpu, mode) (node_cpu_seconds_total{mode="idle"})) > 10000'
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severity: warning
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comments: |
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10000 context switches is an arbitrary number.
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@ -246,81 +246,82 @@ groups:
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Please read: https://github.com/samber/awesome-prometheus-alerts/issues/58
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- name: Host swap is filling up
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description: Swap is filling up (>80%)
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query: '((1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) * 100 > 80) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '((1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) * 100 > 80)'
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severity: warning
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for: 2m
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- name: Host systemd service crashed
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description: "systemd service crashed"
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query: '(node_systemd_unit_state{state="failed"} == 1) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '(node_systemd_unit_state{state="failed"} == 1)'
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severity: warning
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- name: Host physical component too hot
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description: "Physical hardware component too hot"
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query: '((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=~".+"}'
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query: 'node_hwmon_temp_celsius * ignoring(label) group_left(instance, job, node, sensor) node_hwmon_sensor_label{label!="tctl"} > 75'
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severity: warning
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for: 5m
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- name: Host node overtemperature alarm
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description: "Physical node temperature alarm triggered"
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query: '(node_hwmon_temp_crit_alarm_celsius == 1) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '(node_hwmon_temp_crit_alarm_celsius == 1)'
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severity: critical
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- name: Host Software RAID insufficient drives
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description: "MD RAID array {{ $labels.device }} on {{ $labels.instance }} has insufficient drives remaining."
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query: '((node_md_disks_required - on(device, instance) node_md_disks{state="active"}) > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '((node_md_disks_required - on(device, instance) node_md_disks{state="active"}) > 0)'
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severity: critical
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- name: Host Software RAID disk failure
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description: "MD RAID array {{ $labels.device }} on {{ $labels.instance }} needs attention."
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query: '(node_md_disks{state="failed"} > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '(node_md_disks{state="failed"} > 0)'
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severity: warning
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for: 2m
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- name: Host kernel version deviations
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description: Kernel version for {{ $labels.instance }} has changed
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query: 'changes(node_uname_info[1h]) > 0'
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comments: |
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This alert may happen when the host is rebooted after a software update.
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severity: info
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for: 6h
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- name: Host OOM kill detected
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description: OOM kill detected
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query: '(increase(node_vmstat_oom_kill[1m]) > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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severity: warning
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query: '(increase(node_vmstat_oom_kill[1m]) > 0)'
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severity: critical
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- name: Host EDAC Correctable Errors detected
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description: 'Host {{ $labels.instance }} has had {{ printf "%.0f" $value }} correctable memory errors reported by EDAC in the last 5 minutes.'
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query: '(increase(node_edac_correctable_errors_total[1m]) > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '(increase(node_edac_correctable_errors_total[1m]) > 0)'
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severity: info
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- name: Host EDAC Uncorrectable Errors detected
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description: 'Host {{ $labels.instance }} has had {{ printf "%.0f" $value }} uncorrectable memory errors reported by EDAC in the last 5 minutes.'
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query: '(node_edac_uncorrectable_errors_total > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '(node_edac_uncorrectable_errors_total > 0)'
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severity: warning
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- name: Host Network Receive Errors
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description: 'Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }} receive errors in the last two minutes.'
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query: '(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=~".+"}'
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query: '(rate(node_network_receive_errs_total[2m]) / rate(node_network_receive_packets_total[2m]) > 0.01)'
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severity: warning
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for: 2m
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- name: Host Network Transmit Errors
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description: 'Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }} transmit errors in the last two minutes.'
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query: '(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=~".+"}'
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query: '(rate(node_network_transmit_errs_total[2m]) / rate(node_network_transmit_packets_total[2m]) > 0.01)'
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severity: warning
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for: 2m
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- name: Host Network Bond Degraded
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description: 'Bond "{{ $labels.device }}" degraded on "{{ $labels.instance }}".'
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query: '((node_bonding_active - node_bonding_slaves) != 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '((node_bonding_active - node_bonding_slaves) != 0)'
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severity: warning
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for: 2m
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- name: Host conntrack limit
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description: "The number of conntrack is approaching limit"
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query: '(node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 0.8) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '(node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 0.8)'
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severity: warning
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for: 5m
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- name: Host clock skew
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description: "Clock skew detected. Clock is out of sync. Ensure NTP is configured correctly on this host."
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query: '((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=~".+"}'
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query: '((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))'
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severity: warning
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for: 10m
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- name: Host clock not synchronising
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description: "Clock not synchronising. Ensure NTP is configured on this host."
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query: '(min_over_time(node_timex_sync_status[1m]) == 0 and node_timex_maxerror_seconds >= 16) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '(min_over_time(node_timex_sync_status[1m]) == 0 and node_timex_maxerror_seconds >= 16)'
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severity: warning
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for: 2m
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- name: Host requires reboot
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description: "{{ $labels.instance }} requires a reboot."
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query: '(node_reboot_required > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
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query: '(node_reboot_required > 0)'
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severity: info
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for: 4h
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@ -331,18 +332,22 @@ groups:
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doc_url: https://github.com/prometheus-community/smartctl_exporter
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rules:
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- name: SMART device temperature warning
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description: Device temperature warning on {{ $labels.instance }} drive {{ $labels.device }})
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query: avg_over_time(smartctl_device_temperature{temperature_type="current"} [5m]) > 60
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description: Device temperature warning on {{ $labels.instance }} drive {{ $labels.device }} over 60°C
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query: (avg_over_time(smartctl_device_temperature{temperature_type="current"} [5m]) unless on (instance, device) smartctl_device_temperature{temperature_type="drive_trip"}) > 60
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severity: warning
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- name: SMART device temperature critical
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description: Device temperature critical on {{ $labels.instance }} drive {{ $labels.device }})
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query: max_over_time(smartctl_device_temperature{temperature_type="current"} [10m]) >= 70
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description: Device temperature critical on {{ $labels.instance }} drive {{ $labels.device }} over 70°C
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query: (max_over_time(smartctl_device_temperature{temperature_type="current"} [5m]) unless on (instance, device) smartctl_device_temperature{temperature_type="drive_trip"}) > 70
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severity: critical
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# Datacenter drives have a trip temperature
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- name: SMART device temperature was over trip value
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- name: SMART device temperature over trip value
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description: Device temperature over trip value on {{ $labels.instance }} drive {{ $labels.device }})
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query: max_over_time(smartctl_device_temperature{temperature_type="current"} [10m]) >= on(device, instance) smartctl_device_temperature{temperature_type="drive_trip"}
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severity: critical
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- name: SMART device temperature nearing trip value
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description: Device temperature at 80% of trip value on {{ $labels.instance }} drive {{ $labels.device }})
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query: max_over_time(smartctl_device_temperature{temperature_type="current"} [10m]) >= on(device, instance) (smartctl_device_temperature{temperature_type="drive_trip"} * .80)
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severity: warning
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- name: SMART status
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description: Device has a SMART status failure on {{ $labels.instance }} drive {{ $labels.device }})
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query: smartctl_device_smart_status != 1
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@ -355,6 +360,8 @@ groups:
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description: Disk controller detected media errors on {{ $labels.instance }} drive {{ $labels.device }})
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query: smartctl_device_media_errors > 0
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severity: critical
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comments: |
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Media errors are a sign of a failing disk. Replace the disk as soon as possible.
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- name: SMART Wearout Indicator
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description: Device is wearing out on {{ $labels.instance }} drive {{ $labels.device }})
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# The threshold is not present on devices that do not support it
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@ -646,13 +653,15 @@ groups:
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- name: Postgresql too many connections
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description: PostgreSQL instance has too many connections (> 80%).
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query: "sum by (instance, job, server) (pg_stat_activity_count) > min by (instance, job, server) (pg_settings_max_connections * 0.8)"
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severity: warning
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severity: critical
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for: 2m
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- name: Postgresql not enough connections
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description: PostgreSQL instance should have more connections (> 5)
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query: 'sum by (datname) (pg_stat_activity_count{datname!~"template.*|postgres"}) < 5'
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severity: warning
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severity: critical
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for: 2m
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comments: |
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If the number of connections is too low, it may indicate that the application has died.
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- name: Postgresql dead locks
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description: PostgreSQL has dead-locks
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query: 'increase(pg_stat_database_deadlocks{datname!~"template.*|postgres"}[1m]) > 5'
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@ -663,9 +672,9 @@ groups:
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severity: warning
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- name: Postgresql commit rate low
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description: Postgresql seems to be processing very few transactions
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query: "rate(pg_stat_database_xact_commit[1m]) < 10"
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query: 'increase(pg_stat_database_xact_commit{datname!~"template.*|postgres",datid!="0"}[1m]) < 5'
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severity: critical
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for: 2m
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for: 5m
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- name: Postgresql low XID consumption
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description: Postgresql seems to be consuming transaction IDs very slowly
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query: "rate(pg_txid_current[1m]) < 5"
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@ -691,12 +700,15 @@ groups:
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for: 2m
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- name: Postgresql configuration changed
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description: Postgres Database configuration change has occurred
|
||||
query: '{__name__=~"pg_settings_.*"} != ON(__name__) {__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'
|
||||
query: 'changes(label_replace({__name__=~"pg_settings_.*"},"name","$1","__name__", "(.+)")[1h:]) > 0'
|
||||
severity: info
|
||||
- name: Postgresql SSL compression active
|
||||
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`.
|
||||
description: Database allows connections with SSL compression enabled.
|
||||
query: "sum(pg_stat_ssl_compression) > 0"
|
||||
severity: critical
|
||||
comments: |
|
||||
TLS compression is a security risk and should be disabled. It has been removed for TLSv1.3.
|
||||
https://www.bytebase.com/docs/slow-query/enable-pg-stat-statements-for-postgresql/
|
||||
- name: Postgresql too many locks acquired
|
||||
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.
|
||||
query: "((sum (pg_locks_count)) / (pg_settings_max_locks_per_transaction * pg_settings_max_connections)) > 0.20"
|
||||
|
|
|
|||
Loading…
Reference in a new issue