Cassandra client request write failure critical
Read failures have occurred, ensure there are not too many unavailable nodes - {{ $labels.cassandra_cluster }}
>>>
increase
(
{operation="write"}[1m]) > 0
The query measures the number of write request failures on each Cassandra node in the last minute (increase(cassandra_client_request_failures_total{operation="write"}[1m])). If this count is greater than zero, the alert triggers, indicating that at least one write failure occurred and suggesting possible node unavailability.
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