CassandraClientRequestUnavailableRead #
Read failures have occurred because too many nodes are unavailable
Alert Rule
alert: CassandraClientRequestUnavailableRead
annotations:
description: |-
Read failures have occurred because too many nodes are unavailable
VALUE = {{ $value }}
LABELS = {{ $labels }}
runbook: https://srerun.github.io/prometheus-alerts/runbooks/criteo-cassandra-exporter/cassandraclientrequestunavailableread/
summary: Cassandra client request unavailable read (instance {{ $labels.instance
}})
expr: changes(cassandra_stats{name="org:apache:cassandra:metrics:clientrequest:read:unavailables:count"}[1m])
> 0
for: 0m
labels:
severity: critical