Problem:
The Collector is up and running but has stopped pushing any new logs to Sumo Logic. Within the collector.log file we are seeing the following errors being reported:
Caused by: java.io.IOException: No space left on device
Cause:
During normal operation the Collector will temporarily cache log messages and store information regarding what files it has read to disk. The above error tells us that the host does not have the available disk space for the Collector to perform these actions.
Solution:
On your Collectors host server you will need to check the drive hosting your Collector, as well as your /tmp directory, has available disk space. After clearing up or adding more disk space on the host perform a restart of the Collector process on the host.
Additional Articles: Recommended free disk space requirement
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