JobHistory cleanup task causing JT going OOM
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Key: HADOOP-7591
URL: https://issues.apache.org/jira/browse/HADOOP-7591
Project: Hadoop Common
Issue Type: Bug
Components: util
Environment: JT running with 2GB heap size.
Reporter: purshotam shah
Priority: Minor
It's failing because of Hadoop JobHistory cleanup task.
JobHistory cleanup task, tries to clean up all the done task from the
JT_JOBHISTORY_COMPLETED_LOCATION(/home/y/logs/hadoop/history/done).
the directory has around 3206925 entries, it's load all files info from
directory which cause OOM exception.
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