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https://issues.apache.org/jira/browse/MAPREDUCE-1635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12851845#action_12851845
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Vinod K V commented on MAPREDUCE-1635:
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Argh.. one catch.. {{MapOutputFile}} is still being used in TaskTracker process
space, as a member of TaskRunner class. This will still leave other bugs
possible? Like in {{TaskRunner.prepare()}}?
We should also slightly enhance MapOutputFile's javadoc to SHOUT ALOUD that it
should not be used in TT address space.
> ResourceEstimator does not work after MAPREDUCE-842
> ---------------------------------------------------
>
> Key: MAPREDUCE-1635
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1635
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tasktracker
> Affects Versions: 0.21.0
> Reporter: Amareshwari Sriramadasu
> Assignee: Amareshwari Sriramadasu
> Fix For: 0.22.0
>
> Attachments: patch-1635.txt
>
>
> MAPREDUCE-842 changed Child's mapred.local.dir to have attemptDir as the base
> local directory. Also assumption is that
> org.apache.hadoop.mapred.MapOutputFile always gets Child's mapred.local.dir.
> But, MapOuptutFile.getOutputFile() is called from TaskTracker's conf, which
> does not find the output file. Thus TaskTracker.tryToGetOutputSize() always
> returns -1.
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