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https://issues.apache.org/jira/browse/TEZ-1168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14026925#comment-14026925
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Siddharth Seth commented on TEZ-1168:
-------------------------------------
Comment from [~bikassaha] in TEZ-1169, to be addressed in this patch.
bq. Given that setNumPhysicalInputs will now be specified to 1 for MRInput
(because of the defaults in this patch), we could put a
PreCondition.checkState() for that in MRInput.start(). That way we can verify
that the e2e functionality works using our existing test suite.
> Add a MultiMRInput
> ------------------
>
> Key: TEZ-1168
> URL: https://issues.apache.org/jira/browse/TEZ-1168
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Siddharth Seth
> Assignee: Siddharth Seth
> Attachments: TEZ-1168.1.txt
>
>
> A logical Input which can process multiple splits, and gives back a reader
> for each of them.
> Used by SMB joins in Hive - which have multiple sorted files, which need to
> be merged together.
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