CassandraCacheHitRateKeyCache #
Key cache hit rate is below 85%
Alert Rule
alert: CassandraCacheHitRateKeyCache
annotations:
description: |-
Key cache hit rate is below 85%
VALUE = {{ $value }}
LABELS = {{ $labels }}
runbook: https://srerun.github.io/prometheus-alerts/runbooks/criteo-cassandra-exporter/cassandracachehitratekeycache/
summary: Cassandra cache hit rate key cache (instance {{ $labels.instance }})
expr: cassandra_stats{name="org:apache:cassandra:metrics:cache:keycache:hitrate:value"}
< .85
for: 2m
labels:
severity: critical