Jason Lowe created YARN-4775:
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Summary: Nodemanager checks for old aggregated logs as the NM user
instead of the app user
Key: YARN-4775
URL: https://issues.apache.org/jira/browse/YARN-4775
Project: Hadoop YARN
Issue Type: Bug
Components: nodemanager
Affects Versions: 2.6.0
Reporter: Jason Lowe
Priority: Minor
AppLogAggregatorImpl#cleanOldLogs checks for old aggregated logs as the NM user
instead of using the UGI for the app whose logs are being aggregated. This
causes an extra connection to the namenode if the NM user wasn't already
connected to the namenode. If cleanOldLogs does find logs to delete then it
uses the UGI of the app to delete them, so it's not consistent. It should use
the app UGI for both listing and for deleting.
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