/var/lib/cloudera-scm/commands has filled the entire volume/disk

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asked Aug 20, 2017 in Hadoop by admin (4,410 points)
Summary
Symptoms

- The disk/volume on which /var/lib/cloudera-scm/commands is stored is full
- Upon inspection using du -sh/var/lib/cloudera-scm/commands is using a large amount of space and filling the volume

Applies To
Cause

Cloudera Manager is using considerable disk space in /var/lib/cloudera-scm/commands, which is the directory in which command history is kept (for example some logs of BDR jobs)

Instructions

Deleting files in /var/lib/cloudera-scm/commands manually will cause problems in Cloudera Manager because Cloudera Manager references these in the UI when a user clicks through to certain things such as commands in Cloudera Manager's history and BDR job history/logs.

By adjusting the command retention period, the volume of history kept on disk can be decreased and older data will be deleted. Adjust
Administration > Settings > Command Eviction Age
to a value appropriate for your system (which is a trade off between available disk space and the desired history retention). Please note that it will take some time for Cloudera Manager to action the changes and begin the deletion, and a restart of Cloudera Manager may be required in some instances

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