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Posted to issues@tez.apache.org by "Bikas Saha (JIRA)" <ji...@apache.org> on 2014/10/21 23:57:34 UTC

[jira] [Updated] (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 updated TEZ-1396:
----------------------------
    Summary: Grouping should generate consistent groups when given the same set of splits  (was: Grouping should generate consistent groups when given the same set of Splits)

> 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
>
> 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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