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https://issues.apache.org/jira/browse/HADOOP-4906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12663567#action_12663567
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Sharad Agarwal commented on HADOOP-4906:
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bq. does this bug exist in 0.19 as well? If so, can we get it into 0.19 branch
too?
yes. Will upload the patch for 0.19 shortly.
> 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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