CassandraClusterDown

CassandraClusterDown

This is the most critical alert and indicates that the Cassandra cluster is not able to process requests. This alert should be handled with the highest priority.

Example Alert

Firing

[prodtest-f4vofpw][FIRING:1] CassandraClusterDown critical
 - firing - 

Resolved

[prodtest-f4vofpw][RESOLVED] CassandraClusterDown critical
- resolved -

Action Needed

• Check Cassandra logs see if anything was reported.
• Check for related CassandraProcessStopped alerts.
• A service restart command can be issued on the instances.

sudo systemctl restart cassandra

• Check the cloud provider to see if there are any known issues in the deployed location.
  • https://status.azure.com/en-us/status
  • https://status.aws.amazon.com/

Related Guide

• How to manage a cassandra cluster