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Posted to issues@tez.apache.org by "Rajesh Balamohan (JIRA)" <ji...@apache.org> on 2014/03/17 00:59:43 UTC

[jira] [Updated] (TEZ-938) Shuffle Phase - Reduce number of http connections where there is large number of empty partitions

     [ https://issues.apache.org/jira/browse/TEZ-938?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rajesh Balamohan updated TEZ-938:
---------------------------------

    Labels: 0.4  (was: )

> Shuffle Phase - Reduce number of http connections where there is large number of empty partitions 
> --------------------------------------------------------------------------------------------------
>
>                 Key: TEZ-938
>                 URL: https://issues.apache.org/jira/browse/TEZ-938
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Rajesh Balamohan
>            Assignee: Rajesh Balamohan
>              Labels: 0.4
>
> Lots of TPC queries make thousands of 2 byte reads.  This is due large number of empty partitions.  We need to reduce the number of http calls made in such scenarios. 



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