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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-4965) In merge, no ordering defined for CompressAwarePath
Date Mon, 28 Jan 2013 18:57:14 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4965?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sandy Ryza updated MAPREDUCE-4965:
----------------------------------

    Resolution: Duplicate
        Status: Resolved  (was: Patch Available)

Closing this as a duplicate.  Will fix it in the original JIRA (MAPREDUCE-2264).
                
> 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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