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Posted to issues@tez.apache.org by "Siddharth Seth (JIRA)" <ji...@apache.org> on 2015/07/28 23:06:04 UTC

[jira] [Updated] (TEZ-2636) MRInput and MultiMRInput should work for cases when there are 0 physical inputs

     [ https://issues.apache.org/jira/browse/TEZ-2636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Siddharth Seth updated TEZ-2636:
--------------------------------
    Attachment: TEZ-2636.1.txt

Patch to allow MRInput and MultiMRInput to handle 0 physical inputs.

[~hitesh], [~vikram.dixit] - please review.

> MRInput and MultiMRInput should work for cases when there are 0 physical inputs
> -------------------------------------------------------------------------------
>
>                 Key: TEZ-2636
>                 URL: https://issues.apache.org/jira/browse/TEZ-2636
>             Project: Apache Tez
>          Issue Type: Bug
>    Affects Versions: 0.4.0
>            Reporter: Siddharth Seth
>         Attachments: TEZ-2636.1.txt
>
>
> It's possible that an Input is setup without any actual data. This is especially valid when a task is processing multiple MRInputs. One side has data, but the other does not. In such cases - we currently end up generating an error.



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