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https://issues.apache.org/jira/browse/MAPREDUCE-4965?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sandy Ryza updated MAPREDUCE-4965:
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Attachment: MAPREDUCE-4965.patch
> In merge, no ordering defined for CompressAwarePath
> ---------------------------------------------------
>
> Key: MAPREDUCE-4965
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4965
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 2.0.3-alpha
> Reporter: Sandy Ryza
> Assignee: Sandy Ryza
> Attachments: MAPREDUCE-4965.patch, MAPREDUCE-4965.patch
>
>
> MAPREDUCE-2264 replaced Paths used in the merge with CompressAwarePaths. In
> MergeManagerImpl, onDiskMapOutputs is maintained as a TreeSet of
> CompressAwarePaths, but CompressAwarePath does not implement Comparable, and
> no Comparator is passed, so there is no defined ordering.
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