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Posted to mapreduce-issues@hadoop.apache.org by "Kai Sasaki (JIRA)" <ji...@apache.org> on 2015/12/16 03:38:46 UTC

[jira] [Created] (MAPREDUCE-6573) Reduce the time of calling scanIntermediateDirectory in getFileInfo

Kai Sasaki created MAPREDUCE-6573:
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             Summary: Reduce the time of calling scanIntermediateDirectory in getFileInfo
                 Key: MAPREDUCE-6573
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6573
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: jobhistoryserver
            Reporter: Kai Sasaki
            Assignee: Kai Sasaki
            Priority: Minor


In getFileInfo of HistorFileManager, scanIntermediateDirectory is called multiple times. It can have an impact on periodic directory scan task.
We can optimize to reducing the calling time.



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