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Posted to issues@tez.apache.org by "Rajesh Balamohan (JIRA)" <ji...@apache.org> on 2015/01/16 01:35:34 UTC

[jira] [Assigned] (TEZ-1937) Reduce cost of merging ifiles in UnorderedPartitionedWriter

     [ https://issues.apache.org/jira/browse/TEZ-1937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rajesh Balamohan reassigned TEZ-1937:
-------------------------------------

    Assignee: Rajesh Balamohan

> Reduce cost of merging ifiles in UnorderedPartitionedWriter
> -----------------------------------------------------------
>
>                 Key: TEZ-1937
>                 URL: https://issues.apache.org/jira/browse/TEZ-1937
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Rajesh Balamohan
>            Assignee: Rajesh Balamohan
>         Attachments: TEZ-1937.1.patch, TEZ-1937.WIP.patch
>
>
> Currently we iterate through all spilled files for merging.  This incurs additional deserialization cost.



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