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Posted to issues@tez.apache.org by "Muhammad Samir Khan (JIRA)" <ji...@apache.org> on 2017/06/12 15:39:00 UTC

[jira] [Assigned] (TEZ-3283) Add a max cap to the heap computation done by Tez

     [ https://issues.apache.org/jira/browse/TEZ-3283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Muhammad Samir Khan reassigned TEZ-3283:
----------------------------------------

    Assignee: Muhammad Samir Khan

> Add a max cap to the heap computation done by Tez
> -------------------------------------------------
>
>                 Key: TEZ-3283
>                 URL: https://issues.apache.org/jira/browse/TEZ-3283
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Siddharth Seth
>            Assignee: Muhammad Samir Khan
>              Labels: newbie
>
> Change the calculation to not use the fraction blindly. For large containers - .e.g 10GB - this ends up leaving 2G of the container unused / outside of the heap.
> Instead we can add another parameter which indicates the max amount of memory to leave outside the heap - defaulting to 1G



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