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https://issues.apache.org/jira/browse/TEZ-2850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14954009#comment-14954009
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Siddharth Seth commented on TEZ-2850:
-------------------------------------
[~saikatr], as [~gopalv] pointed out in the previous comment - the 4K chunks
are not required for in-memory segments. Fixing that would be a lot simpler -
and less error prone (races on when to trigger a spill). We should target that
as the fix for this issue.
> Tez MergeManager OOM for small Map Outputs
> ------------------------------------------
>
> Key: TEZ-2850
> URL: https://issues.apache.org/jira/browse/TEZ-2850
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Saikat
> Assignee: Saikat
> Attachments: OOM_1.png, OOM_2.png, OOM_3.png, TEZ-2850.1.patch,
> TEZ-2850.2.patch, TEZ-2850_test.patch
>
>
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