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Posted to mapreduce-dev@hadoop.apache.org by "Subroto Sanyal (JIRA)" <ji...@apache.org> on 2013/05/19 03:04:13 UTC

[jira] [Created] (MAPREDUCE-5258) Memory Leak while using LocalJobRunner

Subroto Sanyal created MAPREDUCE-5258:
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             Summary: Memory Leak while using LocalJobRunner
                 Key: MAPREDUCE-5258
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5258
             Project: Hadoop Map/Reduce
          Issue Type: Bug
            Reporter: Subroto Sanyal


Every-time a LocalJobRunner is launched it creates JobTrackerInstrumentation and QueueMetrics.

While creating this MetricsSystem ; it registers and adds a Callback to ArrayList which keeps on growing as the DefaultMetricsSystem is Singleton. 

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