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https://issues.apache.org/jira/browse/MAPREDUCE-5670?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chen He updated MAPREDUCE-5670:
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Attachment: (was: MR-5670.patch)
> CombineFileRecordReader should report progress when moving to the next file
> ---------------------------------------------------------------------------
>
> Key: MAPREDUCE-5670
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5670
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.9
> Reporter: Jason Lowe
> Assignee: Chen He
> Priority: Minor
> Attachments: MR-5670.patch
>
>
> If a combine split consists of many "empty" files (i.e.: no record found by
> the underlying record reader) then theoretically a task can timeout due to
> lack of reported progress.
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