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Posted to issues@tez.apache.org by "Bikas Saha (JIRA)" <ji...@apache.org> on 2014/10/21 23:54:34 UTC

[jira] [Resolved] (TEZ-1656) Grouping of splits should maintain the original ordering of splits within a group

     [ https://issues.apache.org/jira/browse/TEZ-1656?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bikas Saha resolved TEZ-1656.
-----------------------------
       Resolution: Fixed
    Fix Version/s: 0.5.2
     Hadoop Flags: Reviewed

commit fdebd19941c34f3d879a322e11cfe3642876b463
Author: Bikas Saha <bi...@apache.org>
Date:   Tue Oct 21 14:54:04 2014 -0700

    TEZ-1656. Grouping of splits should maintain the original ordering of splits within a group (bikas)


> Grouping of splits should maintain the original ordering of splits within a group
> ---------------------------------------------------------------------------------
>
>                 Key: TEZ-1656
>                 URL: https://issues.apache.org/jira/browse/TEZ-1656
>             Project: Apache Tez
>          Issue Type: Task
>            Reporter: Bikas Saha
>            Assignee: Bikas Saha
>             Fix For: 0.5.2
>
>         Attachments: TEZ-1656.1.patch, TEZ-1656.2.patch, TEZ-1656.3.patch, TEZ-1656.4.patch, TEZ-1656.5.commit.patch
>
>
> Sometimes the original splits may have an ordering (eg. splits from a sorted file). Maintaining the ordering of splits inside a group maintains the sort order.
> The node level grouping maintains ordering. When collecting leftover groups for rack level grouping, the ordering is lost in current code.



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