Monitoring
How to monitor Redis instances in Pigsty
Module:
Categories:
Dashboard
There are three dashboards for REDIS module.
Redis Overview
Redis Overview: Overview of all Redis Instances
Redis Overview Dashboard
Redis Cluster
Redis Cluster : Overview of one single redis cluster
Redis Cluster Dashboard
Redis Instance
Redis Instance : Overview of one single redis instance
Redis Instance Dashboard
Alert Rules
There are 6 predefined alert rules for Redis, defined in files/prometheus/rules/redis.yml.
RedisDown：redis server is downRedisRejectConn：redis instance reject connectionRedisRTHigh：redis instance response time is too highRedisCPUHigh：redis instance CPU usage is too highRedisMemHigh：redis instance memory usage is too highRedisQPSHigh：redis instance QPS is too high
#==============================================================# # Error # #==============================================================# # redis down triggers a P0 alert - alert: RedisDown expr: redis_up < 1 for: 1m labels: { level: 0, severity: CRIT, category: redis } annotations: summary: "CRIT RedisDown: {{ $labels.ins }} {{ $labels.instance }} {{ $value }}" description: | redis_up[ins={{ $labels.ins }}, instance={{ $labels.instance }}] = {{ $value }} == 0 http://g.pigsty/d/redis-instance?from=now-5m&to=now&var-ins={{$labels.ins}} # redis reject connection in last 5m - alert: RedisRejectConn expr: redis:ins:conn_reject > 0 labels: { level: 0, severity: CRIT, category: redis } annotations: summary: "CRIT RedisRejectConn: {{ $labels.ins }} {{ $labels.instance }} {{ $value }}" description: | redis:ins:conn_reject[cls={{ $labels.cls }}, ins={{ $labels.ins }}][5m] = {{ $value }} > 0 http://g.pigsty/d/redis-instance?from=now-10m&to=now&viewPanel=88&fullscreen&var-ins={{ $labels.ins }} #==============================================================# # Latency # #==============================================================# # redis avg query response time > 160 µs - alert: RedisRTHigh expr: redis:ins:rt > 0.00016 for: 1m labels: { level: 1, severity: WARN, category: redis } annotations: summary: "WARN RedisRTHigh: {{ $labels.cls }} {{ $labels.ins }}" description: | pg:ins:query_rt[cls={{ $labels.cls }}, ins={{ $labels.ins }}] = {{ $value }} > 160µs http://g.pigsty/d/redis-instance?from=now-10m&to=now&viewPanel=97&fullscreen&var-ins={{ $labels.ins }} #==============================================================# # Saturation # #==============================================================# # redis cpu usage more than 70% for 1m - alert: RedisCPUHigh expr: redis:ins:cpu_usage > 0.70 for: 1m labels: { level: 1, severity: WARN, category: redis } annotations: summary: "WARN RedisCPUHigh: {{ $labels.cls }} {{ $labels.ins }}" description: | redis:ins:cpu_all[cls={{ $labels.cls }}, ins={{ $labels.ins }}] = {{ $value }} > 60% http://g.pigsty/d/redis-instance?from=now-10m&to=now&viewPanel=43&fullscreen&var-ins={{ $labels.ins }} # redis mem usage more than 70% for 1m - alert: RedisMemHigh expr: redis:ins:mem_usage > 0.70 for: 1m labels: { level: 1, severity: WARN, category: redis } annotations: summary: "WARN RedisMemHigh: {{ $labels.cls }} {{ $labels.ins }}" description: | redis:ins:mem_usage[cls={{ $labels.cls }}, ins={{ $labels.ins }}] = {{ $value }} > 80% http://g.pigsty/d/redis-instance?from=now-10m&to=now&viewPanel=7&fullscreen&var-ins={{ $labels.ins }} #==============================================================# # Traffic # #==============================================================# # redis qps more than 32000 for 5m - alert: RedisQPSHigh expr: redis:ins:qps > 32000 for: 5m labels: { level: 2, severity: INFO, category: redis } annotations: summary: "INFO RedisQPSHigh: {{ $labels.cls }} {{ $labels.ins }}" description: | redis:ins:qps[cls={{ $labels.cls }}, ins={{ $labels.ins }}] = {{ $value }} > 16000 http://g.pigsty/d/redis-instance?from=now-10m&to=now&viewPanel=96&fullscreen&var-ins={{ $labels.ins }} Feedback
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