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Posted to issues@tez.apache.org by "Siddharth Seth (JIRA)" <ji...@apache.org> on 2016/01/08 02:20:39 UTC

[jira] [Assigned] (TEZ-2978) Add an option to allow small splits early on in TezSplitGrouper

     [ https://issues.apache.org/jira/browse/TEZ-2978?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Siddharth Seth reassigned TEZ-2978:
-----------------------------------

    Assignee: Siddharth Seth

> Add an option to allow small splits early on in TezSplitGrouper
> ---------------------------------------------------------------
>
>                 Key: TEZ-2978
>                 URL: https://issues.apache.org/jira/browse/TEZ-2978
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Siddharth Seth
>            Assignee: Siddharth Seth
>         Attachments: TEZ-2978.1.txt
>
>
> In certain cases, allowing the last few splits to be 'small' - smaller than the requested size is beneficial, and can end up creating fewer splits. Also this results in all splits having some form of locality information.



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