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https://issues.apache.org/jira/browse/MAPREDUCE-6512?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chang Li updated MAPREDUCE-6512:
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Attachment: MAPREDUCE-6512.patch
> FileOutputCommitter tasks unconditionally create parent directories
> -------------------------------------------------------------------
>
> Key: MAPREDUCE-6512
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6512
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Chang Li
> Assignee: Chang Li
> Attachments: MAPREDUCE-6512.patch
>
>
> If the output directory is deleted then subsequent tasks should fail. Instead
> they blindly create the missing parent directories, leading the job to be
> "succesful" despite potentially missing almost all of the output. Task
> attempts should fail if the parent app attempt directory is missing when they
> go to create their task attempt directory.
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