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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4906) TaskTracker running out of memory after running several tasks
Date Wed, 14 Jan 2009 00:00:59 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12663554#action_12663554
] 

dhruba borthakur commented on HADOOP-4906:
------------------------------------------

does this bug exist in 0.19 as well? If so, can we get it into 0.19 branch too?

> TaskTracker running out of memory after running several tasks
> -------------------------------------------------------------
>
>                 Key: HADOOP-4906
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4906
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.19.0
>            Reporter: Arun C Murthy
>            Assignee: Sharad Agarwal
>            Priority: Blocker
>             Fix For: 0.20.0
>
>         Attachments: 4906_v1.patch, 4906_v2.patch, 4906_v3.patch, 4906_v4.patch
>
>
> Looks like the TaskTracker isn't cleaning up correctly after completed/failed tasks,
I suspect that the JobConfs aren't being deallocated. Eventually the TaskTracker runs out
of memory after running several tasks.

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