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fix: update Redis alert rules for improved clarity and severity levels

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Signed-off-by: zhenyus <zhenyus@mathmast.com>
This commit is contained in:
zhenyus 2025-03-08 15:12:39 +08:00
parent 5806157ade
commit d88673daa2
1 changed files with 6 additions and 26 deletions
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32
freeleaps/helm-pkg/3rd/redis-cluster/values.prod.yaml
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@ -1110,35 +1110,15 @@ metrics:
## summary: Redis&reg; instance {{ "{{ $instance }}" }} has evicted keys
## description: Redis&reg; instance {{ "{{ $instance }}" }} has evicted {{ "{{ $value }}" }} keys in the last 5 minutes.
##
rules:
rules:
- alert: RedisDown
expr: redis_up{service="{{ template "common.names.fullname" . }}-metrics"} == 0
for: 2m
expr: redis_up == 0{service="{{ template "common.names.fullname" . }}-metrics"} == 0
for: 0m
labels:
severity: error
severity: critical
annotations:
summary: Redis&reg; instance {{ "{{ $instance }}" }} down
description: Redis&reg; instance {{ "{{ $instance }}" }} is down.
- alert: RedisMemoryHigh
expr: >
redis_memory_used_bytes{service="{{ template "common.names.fullname" . }}-metrics"} * 100
/
redis_memory_max_bytes{service="{{ template "common.names.fullname" . }}-metrics"}
> 90
for: 2m
labels:
severity: error
annotations:
summary: Redis&reg; instance {{ "{{ $instance }}" }} is using too much memory
description: Redis&reg; instance {{ "{{ $instance }}" }} is using {{ "{{ $value }}" }}% of its available memory.
- alert: RedisKeyEviction
expr: increase(redis_evicted_keys_total{service="{{ template "common.names.fullname" . }}-metrics"}[5m]) > 0
for: 1s
labels:
severity: error
annotations:
summary: Redis&reg; instance {{ "{{ $instance }}" }} has evicted keys
description: Redis&reg; instance {{ "{{ $instance }}" }} has evicted {{ "{{ $value }}" }} keys in the last 5 minutes.
summary: Redis down (instance {{ $labels.instance }})
description: "Redis instance is down\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
## @param metrics.priorityClassName Metrics exporter pod priorityClassName
##
priorityClassName: ""