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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (TEZ-1396) Grouping should generate consistent groups when given the same set of splits
Date Tue, 21 Oct 2014 22:01:34 GMT

     [ https://issues.apache.org/jira/browse/TEZ-1396?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bikas Saha resolved TEZ-1396.
-----------------------------
          Resolution: Fixed
       Fix Version/s: 0.5.2
    Target Version/s:   (was: 0.5.2)
        Hadoop Flags: Reviewed

commit 7a802b13d19c09ffe7bf0c331e0fac7234d0063b
Author: Bikas Saha <bikas@apache.org>
Date:   Tue Oct 21 14:59:56 2014 -0700

    TEZ-1396. Grouping should generate consistent groups when given the same set of splits
(bikas)


> Grouping should generate consistent groups when given the same set of splits
> ----------------------------------------------------------------------------
>
>                 Key: TEZ-1396
>                 URL: https://issues.apache.org/jira/browse/TEZ-1396
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Siddharth Seth
>            Assignee: Siddharth Seth
>             Fix For: 0.5.2
>
>         Attachments: TEZ-1396.1.patch
>
>
> Currently, it seems like Grouping can end up generating a different set of groups on
different invocations of the same set of splits and target tasks.
> The order likely gets affected by the randomization in the block location report from
HDFS.
> This should be consistent for better cache utilization.



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