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https://issues.apache.org/jira/browse/TEZ-2850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14955234#comment-14955234
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Saikat commented on TEZ-2850:
-----------------------------
[~sseth] if my understanding is correct when we call the InMemoryReader
Constructor which in turn calls the IFile.Reader superclass constructor, we
should pass an info saying that donot allocate the IFileInputStream object
since checksumIn its not used, as the data is already in memory.
> 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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