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Posted to issues@tez.apache.org by "Siddharth Seth (JIRA)" <ji...@apache.org> on 2016/05/28 19:54:12 UTC

[jira] [Assigned] (TEZ-3282) Set the Xms value when Tez computes the heap size for a container

     [ https://issues.apache.org/jira/browse/TEZ-3282?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Siddharth Seth reassigned TEZ-3282:
-----------------------------------

    Assignee: Siddharth Seth

> Set the Xms value when Tez computes the heap size for a container
> -----------------------------------------------------------------
>
>                 Key: TEZ-3282
>                 URL: https://issues.apache.org/jira/browse/TEZ-3282
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Siddharth Seth
>            Assignee: Siddharth Seth
>         Attachments: TEZ-3282.01.txt
>
>
> Currently, we only set the Xmx value.
> Another useful change would be to change the calculation to not use the fraction blindly. For large containers - .e.g 10GB - this ends up leaving 2G of the container unused.
> Instead we can add another parameter which indicates the max amount of memory to leave outside the heap. Maybe a separate jira for this.



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