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https://issues.apache.org/jira/browse/TEZ-776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14516579#comment-14516579
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TezQA commented on TEZ-776:
---------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12728715/TEZ-776.5.patch
against master revision 2522447.
{color:red}-1 patch{color}. master compilation may be broken.
Console output: https://builds.apache.org/job/PreCommit-TEZ-Build/560//console
This message is automatically generated.
> 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
> Attachments: TEZ-776.1.patch, TEZ-776.2.patch, TEZ-776.3.patch,
> TEZ-776.4.patch, TEZ-776.5.patch, TEZ-776.ondemand.1.patch,
> TEZ-776.ondemand.2.patch, TEZ-776.ondemand.3.patch, TEZ-776.ondemand.4.patch,
> TEZ-776.ondemand.5.patch, TEZ-776.ondemand.6.patch, TEZ-776.ondemand.7.patch,
> TEZ-776.ondemand.patch, With_Patch_AM_hotspots.png,
> With_Patch_AM_profile.png, Without_patch_AM_CPU_Usage.png,
> events-problem-solutions.txt, with_patch_jmc_output_of_AM.png,
> without_patch_jmc_output_of_AM.png
>
>
> 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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