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Posted to mapreduce-issues@hadoop.apache.org by "skrho (JIRA)" <ji...@apache.org> on 2014/08/19 12:41:19 UTC

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

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

skrho updated MAPREDUCE-5258:
-----------------------------

               Labels: patch  (was: )
     Target Version/s: 1.2.1
    Affects Version/s: 1.2.1
         Release Note: UgiInstrumentation class is loaded when first or security mode changed
         Hadoop Flags: Incompatible change
               Status: Patch Available  (was: Open)

> Memory Leak while using LocalJobRunner
> --------------------------------------
>
>                 Key: MAPREDUCE-5258
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5258
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 1.2.1
>            Reporter: Subroto Sanyal
>            Assignee: skrho
>              Labels: patch
>             Fix For: 1.2.2
>
>         Attachments: patch.txt
>
>
> 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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