diff options
Diffstat (limited to 'modules/monitoring/rules')
| -rw-r--r-- | modules/monitoring/rules/nginx.yaml | 60 | ||||
| -rw-r--r-- | modules/monitoring/rules/node.yaml | 537 | ||||
| -rw-r--r-- | modules/monitoring/rules/postgres.yaml | 310 | ||||
| -rw-r--r-- | modules/monitoring/rules/redis.yaml | 98 |
4 files changed, 1005 insertions, 0 deletions
diff --git a/modules/monitoring/rules/nginx.yaml b/modules/monitoring/rules/nginx.yaml new file mode 100644 index 0000000..f00d372 --- /dev/null +++ b/modules/monitoring/rules/nginx.yaml @@ -0,0 +1,60 @@ +--- +groups: + - name: Nginx + + rules: + - 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 at {{ $labels.instance }}. + description: |- + Too many HTTP requests with a 4xx status code. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - 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 at {{ $labels.instance }}. + description: |- + Too many HTTP requests with a 5xx status code. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: NginxLatencyHigh + expr: >- + histogram_quantile( + 0.99, + sum( + rate( + nginx_http_request_duration_seconds_bucket[2m] + ) + ) by (host, node) + ) + > 3 + for: 2m + labels: + severity: warning + annotations: + summary: NGINX high latency at {{ $labels.instance }}. + description: |- + NGINX 99% of latency spikes is higher than 3 seconds. + + VALUE = {{ $value }} + LABELS = {{ $labels }} diff --git a/modules/monitoring/rules/node.yaml b/modules/monitoring/rules/node.yaml new file mode 100644 index 0000000..a9b6b79 --- /dev/null +++ b/modules/monitoring/rules/node.yaml @@ -0,0 +1,537 @@ +--- +groups: + - name: Node + + rules: + - alert: HostOutOfMemory + expr: >- + node_memory_MemAvailable_bytes + / + node_memory_MemTotal_bytes * 100 + < 10 + for: 2m + labels: + severity: warning + annotations: + summary: Host out of memory at {{ $labels.instance }}. + description: |- + Node memory is filling up. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostMemoryUnderMemoryPressure + expr: >- + rate(node_vmstat_pgmajfault[1m]) > 1000 + for: 2m + labels: + severity: warning + annotations: + summary: Host memory under memory pressure at {{ $labels.instance }}. + description: |- + The node is under heavy memory pressure. High rate of major page faults. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostUnusualNetworkThroughputIn + expr: >- + sum by (instance) (rate(node_network_receive_bytes_total[2m])) + / 1024 + / 1024 + > 100 + 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. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostUnusualNetworkThroughputOut + expr: >- + sum by (instance) (rate(node_network_transmit_bytes_total[2m])) + / 1024 + / 1024 + > 100 + for: 5m + labels: + severity: warning + annotations: + summary: Host unusual network throughput out at {{ $labels.instance }}. + description: |- + Host network interfaces are probably sending too much data. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostUnusualDiskReadRate + expr: >- + sum by (instance) (rate(node_disk_read_bytes_total[2m])) + / 1024 + / 1024 + > 50 + for: 5m + labels: + severity: warning + annotations: + summary: Host unusual disk read rate at {{ $labels.instance }}. + description: |- + Disk is probably reading too much data. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostUnusualDiskWriteRate + expr: >- + sum by (instance) (rate(node_disk_written_bytes_total[2m])) + / 1024 + / 1024 + > 50 + for: 2m + labels: + severity: warning + annotations: + summary: Host unusual disk write rate at {{ $labels.instance }}. + description: |- + Disk is probably writing too much data. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostOutOfDiskSpace + expr: >- + (node_filesystem_avail_bytes * 100) + / node_filesystem_size_bytes + < 10 + and + on (instance, device, mountpoint) node_filesystem_readonly + == 0 + for: 2m + labels: + severity: warning + annotations: + summary: Host out of disk space at {{ $labels.instance }}. + description: |- + Disk is almost full. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - 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 + for: 2m + labels: + severity: warning + annotations: + summary: Host disk will fill in 24 hours at {{ $labels.instance }}. + description: |- + Filesystem is predicted to run out of space within the next 24 hours at current write rate. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostOutOfInodes + expr: >- + node_filesystem_files_free + / node_filesystem_files * 100 + < 10 + and + ON (instance, device, mountpoint) node_filesystem_readonly + == 0 + for: 2m + labels: + severity: warning + annotations: + summary: Host out of inodes at {{ $labels.instance }}. + description: |- + Disk is almost running out of available inodes. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostInodesWillFillIn24Hours + expr: >- + node_filesystem_files_free + / node_filesystem_files + * 100 + < 10 + and + predict_linear(node_filesystem_files_free[1h], 24 * 3600) + < 0 + and ON (instance, device, mountpoint) node_filesystem_readonly + == 0 + for: 2m + labels: + severity: warning + annotations: + summary: Host inodes will fill in 24 hours at {{ $labels.instance }}. + description: |- + Filesystem is predicted to run out of inodes within the next 24 hours at current write rate. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - 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 + for: 2m + labels: + severity: warning + annotations: + summary: Host unusual disk read latency at {{ $labels.instance }}. + description: |- + Disk latency is growing. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - 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 + for: 2m + labels: + severity: warning + annotations: + summary: Host unusual disk write latency at {{ $labels.instance }}. + description: |- + Disk latency is growing. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostHighCpuLoad + expr: >- + sum by (instance) + (avg by (mode, instance) + (rate(node_cpu_seconds_total{mode!="idle"}[2m]))) + > 2.0 + for: 0m + labels: + severity: warning + annotations: + summary: Host high CPU load at {{ $labels.instance }}. + description: |- + CPU load is high. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostCpuHighIowait + expr: |- + avg by (instance) (rate(node_cpu_seconds_total{mode="iowait"}[5m])) + * 100 + > 50 + for: 0m + labels: + severity: warning + annotations: + summary: Host CPU high I/O wait at {{ $labels.instance }}. + description: |- + CPU I/O wait is high. A high I/O wait means that you are disk or network bound. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostUnusualDiskIo + expr: >- + rate(node_disk_io_time_seconds_total[1m]) > 0.5 + for: 5m + labels: + severity: warning + annotations: + summary: Host unusual disk I/O at {{ $labels.instance }}. + description: |- + Time spent over I/O is too high. Check storage for issues. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostSwapIsFillingUp + expr: >- + (1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) + * 100 + > 80 + for: 2m + labels: + severity: warning + annotations: + summary: Host swap is filling up at {{ $labels.instance }}. + description: |- + Swap is filling up. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostSystemdServiceCrashed + expr: >- + node_systemd_unit_state{state="failed"} == 1 + for: 0m + labels: + severity: warning + annotations: + summary: Host systemd service crashed at {{ $labels.instance }}. + description: |- + Systemd service crashed. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostPhysicalComponentTooHot + expr: >- + node_hwmon_temp_celsius > 75 + for: 5m + labels: + severity: warning + annotations: + summary: Host physical component too hot at {{ $labels.instance }}. + description: |- + Physical hardware component too hot. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostNodeOvertemperatureAlarm + expr: >- + node_hwmon_temp_crit_alarm_celsius == 1 + for: 0m + labels: + severity: critical + annotations: + summary: Host node overtemperature alarm at {{ $labels.instance }}. + description: |- + Physical node temperature alarm triggered. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostRaidArrayGotInactive + expr: >- + node_md_state{state="inactive"} > 0 + for: 0m + labels: + severity: critical + annotations: + summary: Host RAID array got inactive at {{ $labels.instance }}. + description: |- + RAID array is in a degraded state due to one or more disks failures. Number of spare drives is insufficient to fix the issue automatically. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostRaidDiskFailure + expr: >- + node_md_disks{state="failed"} > 0 + for: 2m + labels: + severity: warning + annotations: + summary: Host RAID disk failure at {{ $labels.instance }}. + description: |- + At least one device in RAID array is failed. Possibly, a disk swap is required. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostOomKillDetected + expr: >- + increase(node_vmstat_oom_kill[1m]) > 0 + for: 0m + labels: + severity: warning + annotations: + summary: Host OOM kill detected at {{ $labels.instance }}. + description: |- + OOM kill detected. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostEdacCorrectableErrorsDetected + expr: >- + increase(node_edac_correctable_errors_total[1m]) > 0 + for: 0m + labels: + severity: info + annotations: + summary: Host EDAC correctable errors detected at {{ $labels.instance }}. + description: |- + Host has had {{ printf "%.0f" $value }} correctable memory errors reported by EDAC in the last 5 minutes. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostEdacUncorrectableErrorsDetected + expr: >- + node_edac_uncorrectable_errors_total > 0 + for: 0m + labels: + severity: warning + annotations: + summary: Host EDAC uncorrectable errors detected at {{ $labels.instance }}. + description: |- + Host has had {{ printf "%.0f" $value }} uncorrectable memory errors reported by EDAC in the last 5 minutes. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostNetworkReceiveErrors + expr: >- + rate(node_network_receive_errs_total{device!~"^wg.*"}[2m]) + / + rate(node_network_receive_packets_total{device!~"^wg.*"}[2m]) + > 0.01 + for: 2m + labels: + severity: warning + annotations: + summary: Host Network Receive Errors at {{ $labels.instance }}. + description: |- + Host interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }} receive errors in the last two minutes. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostNetworkTransmitErrors + expr: >- + rate(node_network_transmit_errs_total{device!~"^wg.*"}[2m]) + / + rate(node_network_transmit_packets_total{device!~"^wg.*"}[2m]) + > 0.1 + for: 2m + labels: + severity: warning + annotations: + summary: Host network transmit errors at {{ $labels.instance }}. + description: |- + Host interface {{ $labels.device }} has encountered {{ printf "%.0f" $value }} transmit errors in the last two minutes. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostNetworkInterfaceSaturated + expr: >- + ( + rate(node_network_receive_bytes_total{device!~"^wg.*"}[1m]) + + + rate(node_network_transmit_bytes_total{device!~"^wg.*"}[1m]) + ) + / node_network_speed_bytes{device!~"^wg.*"} + > 0.8 + < 10000 + for: 1m + labels: + severity: warning + annotations: + summary: Host network interface saturated at {{ $labels.instance }}. + description: |- + The network interface {{ $labels.device }} is getting overloaded. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostNetworkBondDegraded + expr: >- + (node_bonding_active - node_bonding_slaves) != 0 + for: 2m + labels: + severity: warning + annotations: + summary: Host network bond degraded at {{ $labels.instance }}. + description: |- + Bond {{ $labels.device }} degraded. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostConntrackLimit + expr: >- + node_nf_conntrack_entries + / + node_nf_conntrack_entries_limit + > 0.8 + for: 5m + labels: + severity: warning + annotations: + summary: Host conntrack limit at {{ $labels.instance }}. + description: |- + The number of conntrack is approaching limit. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - 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 + ) + for: 2m + labels: + severity: warning + annotations: + summary: Host clock skew at {{ $labels.instance }}. + description: |- + Clock skew is detected and the clock is out of sync. Ensure that NTP is configured correctly on this host. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostClockNotSynchronising + expr: >- + min_over_time(node_timex_sync_status[1m]) == 0 + and + node_timex_maxerror_seconds >= 16 + for: 2m + labels: + severity: warning + annotations: + summary: Host clock not synchronising at {{ $labels.instance }}. + description: |- + Clock is not synchronising. Ensure that NTP is configured correctly on this host. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: HostRequiresReboot + expr: >- + node_reboot_required > 0 + for: 4h + labels: + severity: info + annotations: + summary: Host requires reboot at {{ $labels.instance }}. + description: |- + Instance requires a reboot. + + VALUE = {{ $value }} + LABELS = {{ $labels }} diff --git a/modules/monitoring/rules/postgres.yaml b/modules/monitoring/rules/postgres.yaml new file mode 100644 index 0000000..6a98c92 --- /dev/null +++ b/modules/monitoring/rules/postgres.yaml @@ -0,0 +1,310 @@ +--- +groups: + - name: Postgres + + rules: + - alert: PostgresqlDown + expr: >- + pg_up == 0 + for: 0m + labels: + severity: critical + annotations: + summary: PostgreSQL is down at {{ $labels.instance }}. + description: |- + PostgreSQL instance is down. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: PostgresqlRestarted + expr: >- + time() - pg_postmaster_start_time_seconds < 60 + for: 0m + labels: + severity: critical + annotations: + summary: PostgreSQL restarted at {{ $labels.instance }}. + description: |- + PostgreSQL restarted. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: PostgresqlExporterError + expr: >- + pg_exporter_last_scrape_error > 0 + for: 0m + labels: + severity: critical + annotations: + summary: PostgreSQL exporter errors at {{ $labels.instance }}. + description: |- + PostgreSQL exporter is showing errors. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - 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 at {{ $labels.instance }}. + description: |- + Table {{ $labels.relname }} has not been auto vacuumed for 10 days. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - 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 at {{ $labels.instance }}. + description: |- + Table {{ $labels.relname }} has not been auto analyzed for 10 days. + + VALUE = {{ $value }} + LABELS = {{ $labels }}" + + - alert: PostgresqlTooManyConnections + expr: >- + sum by (datname) ( + pg_stat_activity_count{datname!~"template.*|postgres"} + ) > pg_settings_max_connections * 0.8 + for: 2m + labels: + severity: warning + annotations: + summary: PostgreSQL with too many connections at {{ $labels.instance }}. + description: |- + PostgreSQL instance {{ $labels.instance }} has too many connections. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: PostgresqlNotEnoughConnections + expr: >- + sum by (datname) ( + pg_stat_activity_count{datname!~"template.*|postgres"} + ) < 1 + for: 2m + labels: + severity: warning + annotations: + summary: PostgreSQL with not enough connections at {{ $labels.instance }}. + description: |- + PostgreSQL instance {{ $labels.instance }} should have more connections. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: PostgresqlDeadLocks + expr: >- + increase( + pg_stat_database_deadlocks{datname!~"template.*|postgres"}[1m] + ) > 5 + for: 0m + labels: + severity: warning + annotations: + summary: PostgreSQL dead-locks at instance {{ $labels.instance }}. + description: |- + PostgreSQL shows dead-locks. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: PostgresqlHighRollbackRate + expr: >- + sum by (namespace,datname) + ( + (rate(pg_stat_database_xact_rollback{datname!~"template.*|postgres|dendrite",datid!="0"}[3m])) + / + ( + (rate(pg_stat_database_xact_rollback{datname!~"template.*|postgres|dendrite",datid!="0"}[3m])) + + + (rate(pg_stat_database_xact_commit{datname!~"template.*|postgres|dendrite",datid!="0"}[3m])) + ) + ) + > 0.10 + for: 0m + labels: + severity: warning + annotations: + summary: PostgreSQL at a high rollback rate at {{ $labels.instance }}. + description: |- + Ratio of transactions being aborted compared to committed is too big. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: PostgresqlCommitRateLow + expr: >- + rate(pg_stat_database_xact_commit[1m]) + < 10 + for: 2m + labels: + severity: critical + annotations: + summary: PostgreSQL commit rate low at instance {{ $labels.instance }}. + description: |- + PostgreSQL seems to be processing very few transactions. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: PostgresqlLowXidConsumption + expr: >- + rate(pg_txid_current[1m]) + < 5 + for: 2m + labels: + severity: warning + annotations: + summary: PostgreSQL low XID consumption at instance {{ $labels.instance }}. + description: |- + PostgreSQL seems to be consuming transaction IDs very slowly. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - 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: |- + PostgreSQL transactions showing high rate of statement timeouts. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: PostgresqlHighRateDeadlock + expr: >- + increase(postgresql_errors_total{type="deadlock_detected"}[1m]) + > 1 + for: 0m + labels: + severity: critical + annotations: + summary: PostgreSQL high rate dead-lock at {{ $labels.instance }}. + description: |- + PostgreSQL has detected dead-locks. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: PostgresqlUnusedReplicationSlot + expr: >- + pg_replication_slots_active == 0 + for: 1m + labels: + severity: warning + annotations: + summary: PostgreSQL unused replication slot at {{ $labels.instance }}. + description: |- + Unused replication slots. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - 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 at {{ $labels.instance }}. + description: |- + PostgreSQL number of dead tuples is too large. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: PostgresqlSslCompressionActive + expr: >- + sum(pg_stat_ssl_compression) > 0 + for: 0m + labels: + severity: critical + annotations: + summary: PostgreSQL SSL compression active at {{ $labels.instance }}. + description: |- + Database connections with an SSL compression is enabled. This may add a significant jitter in the replication delay. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - 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 at {{ $labels.instance }}. + description: |- + Too many locks acquired on the database. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: PostgresqlBloatIndexHigh + expr: >- + pg_bloat_btree_bloat_pct > 80 + and + on (idxname) (pg_bloat_btree_real_size > 100000000) + for: 1h + labels: + severity: warning + annotations: + summary: PostgreSQL index bloat high at {{ $labels.instance }}. + description: |- + The index {{ $labels.idxname }} is bloated. You should execute `REINDEX INDEX CONCURRENTLY {{ $labels.idxname }};`. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: PostgresqlBloatTableHigh + expr: >- + pg_bloat_table_bloat_pct > 80 + and + on (relname) (pg_bloat_table_real_size > 200000000) + for: 1h + labels: + severity: warning + annotations: + summary: PostgreSQL table bloat high at instance {{ $labels.instance }}. + description: |- + The table {{ $labels.relname }} is bloated. You should execute `VACUUM {{ $labels.relname }};`. + + VALUE = {{ $value }} + LABELS = {{ $labels }} diff --git a/modules/monitoring/rules/redis.yaml b/modules/monitoring/rules/redis.yaml new file mode 100644 index 0000000..b47c313 --- /dev/null +++ b/modules/monitoring/rules/redis.yaml @@ -0,0 +1,98 @@ +--- +groups: + - name: Redis + + rules: + - alert: RedisDown + expr: >- + redis_up == 0 + for: 0m + labels: + severity: critical + annotations: + summary: Redis down at {{ $labels.instance }}. + description: |- + Redis instance is down. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - 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 at {{ $labels.instance }}. + description: |- + Redis is running out of system memory. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: RedisOutOfConfiguredMaxmemory + expr: >- + redis_memory_max_bytes != 0 + and + ( + redis_memory_used_bytes + / + redis_memory_max_bytes * 100 + > 90 + ) + for: 2m + labels: + severity: warning + annotations: + summary: Redis out of configured maxmemory at {{ $labels.instance }}. + description: |- + Redis is running out of configured maxmemory. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: RedisTooManyConnections + expr: >- + redis_connected_clients > 100 + for: 2m + labels: + severity: warning + annotations: + summary: Redis too many connections at {{ $labels.instance }}. + description: |- + Redis instance has too many connections. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: RedisNotEnoughConnections + expr: >- + redis_connected_clients < 1 + for: 2m + labels: + severity: warning + annotations: + summary: Redis not enough connections at {{ $labels.instance }}. + description: |- + Redis instance should have more connections. + + VALUE = {{ $value }} + LABELS = {{ $labels }} + + - alert: RedisRejectedConnections + expr: >- + increase(redis_rejected_connections_total[1m]) > 0 + for: 0m + labels: + severity: critical + annotations: + summary: Redis rejected connections at {{ $labels.instance }}. + description: |- + Some connections to Redis have been rejected. + + VALUE = {{ $value }} + LABELS = {{ $labels }} |