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

["Vikram Dixit K (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TEZ-2636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14648113#comment-14648113 ] 

Vikram Dixit K edited comment on TEZ-2636 at 7/30/15 6:57 PM:
--------------------------------------------------------------

Minor nit: "MRInput setup to received events" could be reformatted at commit time.
1. Add a space at the end of the string
2. ... setup to receive events

+1 LGTM otherwise.


was (Author: vikram.dixit):
+1 LGTM.

> 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, 0.5.0
>            Reporter: Siddharth Seth
>            Assignee: Siddharth Seth
>             Fix For: 0.6.2, 0.8.0, 0.7.1, 0.5.5
>
>         Attachments: TEZ-2636.1.txt, TEZ-2636.2.txt, TEZ-2636.3.txt, TEZ-2636.4.txt, TEZ-2636.4_branch5.txt, TEZ-2636.4_branch7.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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