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Repair service snapshots can cause disk usage growth

Summary

The repair service in OpsCenter will trigger snapshots by default. In some systems this has been seen to cause runaway disk usage.

Symptoms

The user will see a growth in disk usage

Cause

The following jira outlines a problem which is influenced by the repair service: https://issues.apache.org/jira/browse/CASSANDRA-9382

Workaround

1 - On the opscenter machine edit the /etc/opscenter/opscenterd.conf file, add the following at the end:


[repair_service]

snapshot_override = False

2 - Restart the opscenter service


sudo service opscenterd restart

Note: from OpsCenter 5.1.2 this setting should be False by default, there is an internal jira open for this under:

OPSC-4692 - "Disable snapshot repair by default in Repair Service"

 

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