[jira] [Updated] (TEZ-776) Reduce AM mem usage caused by storing TezEvents

["Siddharth Seth (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TEZ-776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Siddharth Seth updated TEZ-776:
-------------------------------
    Assignee: Bikas Saha  (was: Siddharth Seth)

Bikas taking this over, since I don't have time to work on this at the moment, and this should go in soon. Allows us to run smaller JVMs for the AM, or handle a lot more tasks on larger JVMs.

> Reduce AM mem usage caused by storing TezEvents
> -----------------------------------------------
>
>                 Key: TEZ-776
>                 URL: https://issues.apache.org/jira/browse/TEZ-776
>             Project: Apache Tez
>          Issue Type: Sub-task
>            Reporter: Siddharth Seth
>            Assignee: Bikas Saha
>
> This is open ended at the moment.
> A fair chunk of the AM heap is taken up by TezEvents (specifically DataMovementEvents - 64 bytes per event).
> Depending on the connection pattern - this puts limits on the number of tasks that can be processed.



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