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Removed queries that throw errors when systems are upgraded. Also fixed and simplified a few Postgres queries.

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Evi Vanoost 2024-02-25 14:53:30 -05:00
parent 45a711f921
commit 46043360de
1 changed files with 57 additions and 45 deletions
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102
_data/rules.yml
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@ -137,37 +137,37 @@ groups:
rules: rules:
- name: Host out of memory - name: Host out of memory
description: Node memory is filling up (< 10% left) description: Node memory is filling up (< 10% left)
query: '(node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes < .10) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: '(node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes < .10)'
severity: warning severity: warning
for: 2m for: 2m
- name: Host memory under memory pressure - name: Host memory under memory pressure
description: The node is under heavy memory pressure. High rate of loading memory pages from disk. description: The node is under heavy memory pressure. High rate of loading memory pages from disk.
query: '(rate(node_vmstat_pgmajfault[5m]) > 1000) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: '(rate(node_vmstat_pgmajfault[5m]) > 1000)'
severity: warning severity: warning
- name: Host Memory is underutilized - name: Host Memory is underutilized
description: "Node memory usage is < 20% for 1 week. Consider reducing memory space. (instance {{ $labels.instance }})" description: "Node memory usage is < 20% for 1 week. Consider reducing memory space. (instance {{ $labels.instance }})"
# We use MemFree, many buffers (ZFS, databases etc) are declared as available memory, but would perform poorly if reduced # We use MemFree, many buffers (ZFS, databases etc) are declared as available memory, but would perform poorly if reduced
query: '((avg_over_time(node_memory_MemFree_bytes[30m]) / node_memory_MemTotal_bytes) > .80) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: '((avg_over_time(node_memory_MemFree_bytes[30m]) / node_memory_MemTotal_bytes) > .80)'
severity: info severity: info
for: 1w for: 1w
comments: | comments: |
You may want to increase the alert manager 'repeat_interval' for this type of alert to daily or weekly You may want to increase the alert manager 'repeat_interval' for this type of alert to daily or weekly
- name: Host unusual network throughput in - name: Host unusual network throughput in
description: "Host receive bandwidth is high (>80%)" description: "Host receive bandwidth is high (>80%)"
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=~".+"}' query: '((rate(node_network_receive_bytes_total[5m]) / on(instance, device) node_network_speed_bytes) > .80)'
severity: warning severity: warning
- name: Host unusual network throughput out - name: Host unusual network throughput out
description: "Host transmit bandwidth is high (>80%)" description: "Host transmit bandwidth is high (>80%)"
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=~".+"}' query: '((rate(node_network_transmit_bytes_total[5m]) / on(instance, device) node_network_speed_bytes) > .80)'
severity: warning severity: warning
- name: Host unusual disk read rate - name: Host unusual disk read rate
description: "Disk is too busy (IO wait > 80%)" description: "Disk is too busy (IO wait > 80%)"
query: '(rate(node_disk_io_time_seconds_total[5m]) > .80) * on (instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: '(rate(node_disk_io_time_seconds_total[5m]) > .80)'
severity: warning severity: warning
- name: Host out of disk space - name: Host out of disk space
description: "Disk is almost full (< 10% left)" description: "Disk is almost full (< 10% left)"
# Network filesystems have quotas etc. and should not be included in this alert # Network filesystems have quotas etc. and should not be included in this alert
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=~".+"}' query: '(node_filesystem_avail_bytes{fstype!~"^(fuse.*|tmpfs|cifs|nfs)"} / node_filesystem_size_bytes < .10 and on (instance, device, mountpoint) node_filesystem_readonly == 0)'
severity: critical severity: critical
comments: | comments: |
Please add ignored mountpoints in node_exporter parameters like Please add ignored mountpoints in node_exporter parameters like
@ -185,7 +185,7 @@ groups:
for: 2m for: 2m
- name: Host out of inodes - name: Host out of inodes
description: Disk is almost running out of available inodes (< 10% left) description: Disk is almost running out of available inodes (< 10% left)
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=~".+"}' query: '(node_filesystem_files_free{fstype!="msdosfs"} / node_filesystem_files{fstype!="msdosfs"} < .10 and ON (instance, device, mountpoint) node_filesystem_readonly == 0)'
severity: critical severity: critical
for: 2m for: 2m
- name: Host filesystem device error - name: Host filesystem device error
@ -204,41 +204,41 @@ groups:
for: 2m for: 2m
- name: Host unusual disk read latency - name: Host unusual disk read latency
description: Disk latency is growing (read operations > 100ms) description: Disk latency is growing (read operations > 100ms)
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=~".+"}' 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)'
severity: warning severity: warning
for: 2m for: 2m
- name: Host unusual disk write latency - name: Host unusual disk write latency
description: Disk latency is growing (write operations > 100ms) description: Disk latency is growing (write operations > 100ms)
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=~".+"}' 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)'
severity: warning severity: warning
for: 2m for: 2m
- name: Host high CPU load - name: Host high CPU load
description: CPU load is > 80% description: CPU load is > 80%
query: '((avg by (instance) (rate(node_cpu_seconds_total{mode!="idle"}[2m]))) > .80) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: '((avg by (instance) (rate(node_cpu_seconds_total{mode!="idle"}[2m]))) > .80)'
severity: warning severity: warning
for: 10m for: 10m
- name: Host CPU is underutilized - name: Host CPU is underutilized
description: "CPU load has been < 20% for 1 week. Consider reducing the number of CPUs." description: "CPU load has been < 20% for 1 week. Consider reducing the number of CPUs."
query: '((avg by (instance) (rate(node_cpu_seconds_total{mode="idle"}[1h]))) > .80) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: '(avg by (instance) (rate(node_cpu_seconds_total{mode="idle"}[1h]))) > .80'
severity: info severity: info
for: 1w for: 1w
comments: | comments: |
You may want to increase the alert manager 'repeat_interval' for this type of alert to daily or weekly You may want to increase the alert manager 'repeat_interval' for this type of alert to daily or weekly
- name: Host CPU steal noisy neighbor - name: Host CPU steal noisy neighbor
description: CPU steal is > 10%. A noisy neighbor is killing VM performances or a spot instance may be out of credit. description: CPU steal is > 10%. A noisy neighbor is killing VM performances or a spot instance may be out of credit.
query: '(avg by(instance) (rate(node_cpu_seconds_total{mode="steal"}[5m])) * 100 > 10) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: 'avg by(instance) (rate(node_cpu_seconds_total{mode="steal"}[5m])) * 100 > 10'
severity: warning severity: warning
- name: Host CPU high iowait - name: Host CPU high iowait
description: CPU iowait > 10%. Your CPU is idling waiting for storage to respond. description: CPU iowait > 10%. Your CPU is idling waiting for storage to respond.
query: '(avg by (instance) (rate(node_cpu_seconds_total{mode="iowait"}[5m])) > .10) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: 'avg by (instance) (rate(node_cpu_seconds_total{mode="iowait"}[5m])) > .10'
severity: warning severity: warning
- name: Host unusual disk IO - name: Host unusual disk IO
description: "Disk usage >80%. Check storage for issues or increase IOPS capabilities." description: "Disk usage >80%. Check storage for issues or increase IOPS capabilities."
query: '(rate(node_disk_io_time_seconds_total[5m]) > 0.8) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: 'rate(node_disk_io_time_seconds_total[5m]) > 0.8'
severity: warning severity: warning
- name: Host context switching - name: Host context switching
description: Context switching is growing on the node (> 10000 / CPU / s) description: Context switching is growing on the node (> 10000 / CPU / s)
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=~".+"}' query: '(rate(node_context_switches_total[5m])) / (count without(cpu, mode) (node_cpu_seconds_total{mode="idle"})) > 10000'
severity: warning severity: warning
comments: | comments: |
10000 context switches is an arbitrary number. 10000 context switches is an arbitrary number.
@ -246,81 +246,82 @@ groups:
Please read: https://github.com/samber/awesome-prometheus-alerts/issues/58 Please read: https://github.com/samber/awesome-prometheus-alerts/issues/58
- name: Host swap is filling up - name: Host swap is filling up
description: Swap is filling up (>80%) description: Swap is filling up (>80%)
query: '((1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) * 100 > 80) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: '((1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) * 100 > 80)'
severity: warning severity: warning
for: 2m for: 2m
- name: Host systemd service crashed - name: Host systemd service crashed
description: "systemd service crashed" description: "systemd service crashed"
query: '(node_systemd_unit_state{state="failed"} == 1) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: '(node_systemd_unit_state{state="failed"} == 1)'
severity: warning severity: warning
- name: Host physical component too hot - name: Host physical component too hot
description: "Physical hardware component too hot" description: "Physical hardware component too hot"
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=~".+"}' query: 'node_hwmon_temp_celsius * ignoring(label) group_left(instance, job, node, sensor) node_hwmon_sensor_label{label!="tctl"} > 75'
severity: warning severity: warning
for: 5m for: 5m
- name: Host node overtemperature alarm - name: Host node overtemperature alarm
description: "Physical node temperature alarm triggered" description: "Physical node temperature alarm triggered"
query: '(node_hwmon_temp_crit_alarm_celsius == 1) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: '(node_hwmon_temp_crit_alarm_celsius == 1)'
severity: critical severity: critical
- name: Host Software RAID insufficient drives - name: Host Software RAID insufficient drives
description: "MD RAID array {{ $labels.device }} on {{ $labels.instance }} has insufficient drives remaining." description: "MD RAID array {{ $labels.device }} on {{ $labels.instance }} has insufficient drives remaining."
query: '((node_md_disks_required - on(device, instance) node_md_disks{state="active"}) > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: '((node_md_disks_required - on(device, instance) node_md_disks{state="active"}) > 0)'
severity: critical severity: critical
- name: Host Software RAID disk failure - name: Host Software RAID disk failure
description: "MD RAID array {{ $labels.device }} on {{ $labels.instance }} needs attention." description: "MD RAID array {{ $labels.device }} on {{ $labels.instance }} needs attention."
query: '(node_md_disks{state="failed"} > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: '(node_md_disks{state="failed"} > 0)'
severity: warning severity: warning
for: 2m for: 2m
- name: Host kernel version deviations - name: Host kernel version deviations
description: Kernel version for {{ $labels.instance }} has changed description: Kernel version for {{ $labels.instance }} has changed
query: 'changes(node_uname_info[1h]) > 0' query: 'changes(node_uname_info[1h]) > 0'
comments: |
This alert may happen when the host is rebooted after a software update.
severity: info severity: info
for: 6h
- name: Host OOM kill detected - name: Host OOM kill detected
description: OOM kill detected description: OOM kill detected
query: '(increase(node_vmstat_oom_kill[1m]) > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: '(increase(node_vmstat_oom_kill[1m]) > 0)'
severity: warning severity: critical
- name: Host EDAC Correctable Errors detected - name: Host EDAC Correctable Errors detected
description: 'Host {{ $labels.instance }} has had {{ printf "%.0f" $value }} correctable memory errors reported by EDAC in the last 5 minutes.' description: 'Host {{ $labels.instance }} has had {{ printf "%.0f" $value }} correctable memory errors reported by EDAC in the last 5 minutes.'
query: '(increase(node_edac_correctable_errors_total[1m]) > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: '(increase(node_edac_correctable_errors_total[1m]) > 0)'
severity: info severity: info
- name: Host EDAC Uncorrectable Errors detected - name: Host EDAC Uncorrectable Errors detected
description: 'Host {{ $labels.instance }} has had {{ printf "%.0f" $value }} uncorrectable memory errors reported by EDAC in the last 5 minutes.' description: 'Host {{ $labels.instance }} has had {{ printf "%.0f" $value }} uncorrectable memory errors reported by EDAC in the last 5 minutes.'
query: '(node_edac_uncorrectable_errors_total > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: '(node_edac_uncorrectable_errors_total > 0)'
severity: warning severity: warning
- name: Host Network Receive Errors - name: Host Network Receive Errors
description: 'Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }} receive errors in the last two minutes.' description: 'Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }} receive errors in the last two minutes.'
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=~".+"}' query: '(rate(node_network_receive_errs_total[2m]) / rate(node_network_receive_packets_total[2m]) > 0.01)'
severity: warning severity: warning
for: 2m for: 2m
- name: Host Network Transmit Errors - name: Host Network Transmit Errors
description: 'Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }} transmit errors in the last two minutes.' description: 'Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }} transmit errors in the last two minutes.'
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=~".+"}' query: '(rate(node_network_transmit_errs_total[2m]) / rate(node_network_transmit_packets_total[2m]) > 0.01)'
severity: warning severity: warning
for: 2m for: 2m
- name: Host Network Bond Degraded - name: Host Network Bond Degraded
description: 'Bond "{{ $labels.device }}" degraded on "{{ $labels.instance }}".' description: 'Bond "{{ $labels.device }}" degraded on "{{ $labels.instance }}".'
query: '((node_bonding_active - node_bonding_slaves) != 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: '((node_bonding_active - node_bonding_slaves) != 0)'
severity: warning severity: warning
for: 2m for: 2m
- name: Host conntrack limit - name: Host conntrack limit
description: "The number of conntrack is approaching limit" description: "The number of conntrack is approaching limit"
query: '(node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 0.8) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: '(node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 0.8)'
severity: warning severity: warning
for: 5m for: 5m
- name: Host clock skew - name: Host clock skew
description: "Clock skew detected. Clock is out of sync. Ensure NTP is configured correctly on this host." description: "Clock skew detected. Clock is out of sync. Ensure NTP is configured correctly on this host."
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=~".+"}' 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))'
severity: warning severity: warning
for: 10m for: 10m
- name: Host clock not synchronising - name: Host clock not synchronising
description: "Clock not synchronising. Ensure NTP is configured on this host." description: "Clock not synchronising. Ensure NTP is configured on this host."
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=~".+"}' query: '(min_over_time(node_timex_sync_status[1m]) == 0 and node_timex_maxerror_seconds >= 16)'
severity: warning severity: warning
for: 2m for: 2m
- name: Host requires reboot - name: Host requires reboot
description: "{{ $labels.instance }} requires a reboot." description: "{{ $labels.instance }} requires a reboot."
query: '(node_reboot_required > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}' query: '(node_reboot_required > 0)'
severity: info severity: info
for: 4h for: 4h
@ -331,18 +332,22 @@ groups:
doc_url: https://github.com/prometheus-community/smartctl_exporter doc_url: https://github.com/prometheus-community/smartctl_exporter
rules: rules:
- name: SMART device temperature warning - name: SMART device temperature warning
description: Device temperature warning on {{ $labels.instance }} drive {{ $labels.device }}) description: Device temperature warning on {{ $labels.instance }} drive {{ $labels.device }} over 60°C
query: avg_over_time(smartctl_device_temperature{temperature_type="current"} [5m]) > 60 query: (avg_over_time(smartctl_device_temperature{temperature_type="current"} [5m]) unless on (instance, device) smartctl_device_temperature{temperature_type="drive_trip"}) > 60
severity: warning severity: warning
- name: SMART device temperature critical - name: SMART device temperature critical
description: Device temperature critical on {{ $labels.instance }} drive {{ $labels.device }}) description: Device temperature critical on {{ $labels.instance }} drive {{ $labels.device }} over 70°C
query: max_over_time(smartctl_device_temperature{temperature_type="current"} [10m]) >= 70 query: (max_over_time(smartctl_device_temperature{temperature_type="current"} [5m]) unless on (instance, device) smartctl_device_temperature{temperature_type="drive_trip"}) > 70
severity: critical severity: critical
# Datacenter drives have a trip temperature # Datacenter drives have a trip temperature
- name: SMART device temperature was over trip value - name: SMART device temperature over trip value
description: Device temperature over trip value on {{ $labels.instance }} drive {{ $labels.device }}) description: Device temperature over trip value on {{ $labels.instance }} drive {{ $labels.device }})
query: max_over_time(smartctl_device_temperature{temperature_type="current"} [10m]) >= on(device, instance) smartctl_device_temperature{temperature_type="drive_trip"} query: max_over_time(smartctl_device_temperature{temperature_type="current"} [10m]) >= on(device, instance) smartctl_device_temperature{temperature_type="drive_trip"}
severity: critical severity: critical
- name: SMART device temperature nearing trip value
description: Device temperature at 80% of trip value on {{ $labels.instance }} drive {{ $labels.device }})
query: max_over_time(smartctl_device_temperature{temperature_type="current"} [10m]) >= on(device, instance) (smartctl_device_temperature{temperature_type="drive_trip"} * .80)
severity: warning
- name: SMART status - name: SMART status
description: Device has a SMART status failure on {{ $labels.instance }} drive {{ $labels.device }}) description: Device has a SMART status failure on {{ $labels.instance }} drive {{ $labels.device }})
query: smartctl_device_smart_status != 1 query: smartctl_device_smart_status != 1
@ -355,6 +360,8 @@ groups:
description: Disk controller detected media errors on {{ $labels.instance }} drive {{ $labels.device }}) description: Disk controller detected media errors on {{ $labels.instance }} drive {{ $labels.device }})
query: smartctl_device_media_errors > 0 query: smartctl_device_media_errors > 0
severity: critical severity: critical
comments: |
Media errors are a sign of a failing disk. Replace the disk as soon as possible.
- name: SMART Wearout Indicator - name: SMART Wearout Indicator
description: Device is wearing out on {{ $labels.instance }} drive {{ $labels.device }}) description: Device is wearing out on {{ $labels.instance }} drive {{ $labels.device }})
# The threshold is not present on devices that do not support it # The threshold is not present on devices that do not support it
@ -646,13 +653,15 @@ groups:
- name: Postgresql too many connections - name: Postgresql too many connections
description: PostgreSQL instance has too many connections (> 80%). description: PostgreSQL instance has too many connections (> 80%).
query: "sum by (instance, job, server) (pg_stat_activity_count) > min by (instance, job, server) (pg_settings_max_connections * 0.8)" query: "sum by (instance, job, server) (pg_stat_activity_count) > min by (instance, job, server) (pg_settings_max_connections * 0.8)"
severity: warning severity: critical
for: 2m for: 2m
- name: Postgresql not enough connections - name: Postgresql not enough connections
description: PostgreSQL instance should have more connections (> 5) description: PostgreSQL instance should have more connections (> 5)
query: 'sum by (datname) (pg_stat_activity_count{datname!~"template.*|postgres"}) < 5' query: 'sum by (datname) (pg_stat_activity_count{datname!~"template.*|postgres"}) < 5'
severity: warning severity: critical
for: 2m for: 2m
comments: |
If the number of connections is too low, it may indicate that the application has died.
- name: Postgresql dead locks - name: Postgresql dead locks
description: PostgreSQL has dead-locks description: PostgreSQL has dead-locks
query: 'increase(pg_stat_database_deadlocks{datname!~"template.*|postgres"}[1m]) > 5' query: 'increase(pg_stat_database_deadlocks{datname!~"template.*|postgres"}[1m]) > 5'
@ -663,9 +672,9 @@ groups:
severity: warning severity: warning
- name: Postgresql commit rate low - name: Postgresql commit rate low
description: Postgresql seems to be processing very few transactions description: Postgresql seems to be processing very few transactions
query: "rate(pg_stat_database_xact_commit[1m]) < 10" query: 'increase(pg_stat_database_xact_commit{datname!~"template.*|postgres",datid!="0"}[1m]) < 5'
severity: critical severity: critical
for: 2m for: 5m
- name: Postgresql low XID consumption - name: Postgresql low XID consumption
description: Postgresql seems to be consuming transaction IDs very slowly description: Postgresql seems to be consuming transaction IDs very slowly
query: "rate(pg_txid_current[1m]) < 5" query: "rate(pg_txid_current[1m]) < 5"
@ -691,12 +700,15 @@ groups:
for: 2m for: 2m
- name: Postgresql configuration changed - name: Postgresql configuration changed
description: Postgres Database configuration change has occurred 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 severity: info
- name: Postgresql SSL compression active - 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" query: "sum(pg_stat_ssl_compression) > 0"
severity: critical 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 - 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. 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" query: "((sum (pg_locks_count)) / (pg_settings_max_locks_per_transaction * pg_settings_max_connections)) > 0.20"