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Posted to issues@tez.apache.org by "Bikas Saha (JIRA)" <ji...@apache.org> on 2014/10/22 00:01:34 UTC
[jira] [Resolved] (TEZ-1396) Grouping should generate consistent
groups when given the same set of splits
[ 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 <bi...@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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