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Posted to yarn-dev@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2016/03/08 16:01:40 UTC
[jira] [Created] (YARN-4773) Log aggregation performs extraneous
filesystem operations when rolling log aggregation is disabled
Jason Lowe created YARN-4773:
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Summary: Log aggregation performs extraneous filesystem operations when rolling log aggregation is disabled
Key: YARN-4773
URL: https://issues.apache.org/jira/browse/YARN-4773
Project: Hadoop YARN
Issue Type: Bug
Components: nodemanager
Affects Versions: 2.7.2
Reporter: Jason Lowe
Priority: Minor
I noticed when log aggregation occurs for an application the nodemanager is listing the application's log directory in HDFS. Apparently this is for removing old logs before uploading new ones. This is a wasteful operation when rolling log aggregation is disabled, since there will be no prior logs in HDFS -- aggregation only occurs once when rolling log aggregation is disabled.
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