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Posted to issues@tez.apache.org by "Rajesh Balamohan (JIRA)" <ji...@apache.org> on 2015/01/14 11:50:34 UTC

[jira] [Assigned] (TEZ-1945) Remove 2 GB memlimit restriction in MergeManager

     [ https://issues.apache.org/jira/browse/TEZ-1945?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rajesh Balamohan reassigned TEZ-1945:
-------------------------------------

    Assignee: Rajesh Balamohan

> Remove 2 GB memlimit restriction in MergeManager
> ------------------------------------------------
>
>                 Key: TEZ-1945
>                 URL: https://issues.apache.org/jira/browse/TEZ-1945
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Rajesh Balamohan
>            Assignee: Rajesh Balamohan
>         Attachments: TEZ-1945.1.patch
>
>
> In certain situations (data coming in larger chunks, but yet to complete), fetchers might wait in MerManager.waitForShuffleToMergeMemory() for memory to become available.  
> Removing the 2 GB resitrction on MergeManager.memlimit would help in such situations.



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