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https://issues.apache.org/jira/browse/TEZ-776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bikas Saha updated TEZ-776:
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Attachment: TEZ-776.ondemand.1.patch
Patch with tests passing and old/new code paths enabled via config for
compatibility.
> 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.ondemand.1.patch, TEZ-776.ondemand.patch,
> events-problem-solutions.txt
>
>
> 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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