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|
---
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 }}
|
