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https://issues.apache.org/jira/browse/HADOOP-1612?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12514567
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Christian Kunz commented on HADOOP-1612:
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1) Yes, our applications use the temporary task directory
${map.output.dir}/_${taskid} (the jobConf value of mapred.output.dir) for
creating output files or directories.
2) No, HADOOP-1576 is not yet part of our release.
> listing of an output directory shortly after job completion fails
> -----------------------------------------------------------------
>
> Key: HADOOP-1612
> URL: https://issues.apache.org/jira/browse/HADOOP-1612
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.14.0
> Reporter: Christian Kunz
> Assignee: Arun C Murthy
> Priority: Blocker
> Fix For: 0.14.0
>
>
> Sometimes, after a job finishes, and another application wants to rename dfs
> files created by that job, listing of the output directory containing the
> newly created files fails. File creation and directory listing is done via
> libhdfs, but it is unlikely that this makes any difference, therefore, I add
> this to the mapred component.
> It might be a race condition: does the job complete before the files in the
> output directory are promoted?
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