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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1466) FileInputFormat should save #input-files in JobConf
Date Fri, 02 Apr 2010 07:01:28 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12852733#action_12852733

Chris Douglas commented on MAPREDUCE-1466:

Aren't the tests verifying different properties? The test in mapreduce seems to be verifying
the case where a zero-length file is the only entry returned...

> FileInputFormat should save #input-files in JobConf
> ---------------------------------------------------
>                 Key: MAPREDUCE-1466
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1466
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: client
>    Affects Versions: 0.22.0
>            Reporter: Arun C Murthy
>            Assignee: Luke Lu
>            Priority: Minor
>             Fix For: 0.22.0
>         Attachments: MAPREDUCE-1466_yhadoop20-1.patch, MAPREDUCE-1466_yhadoop20-2.patch,
MAPREDUCE-1466_yhadoop20-3.patch, MAPREDUCE-1466_yhadoop20.patch, mr-1466-trunk-v1.patch,
mr-1466-trunk-v2.patch, mr-1466-trunk-v3.patch, mr-1466-trunk-v4.patch, mr-1466-trunk-v5.patch
> We already track the amount of data consumed by MR applications (MAP_INPUT_BYTES), alongwith,
it would be useful to #input-files from the client-side for analysis. Along the lines of MAPREDUCE-1403,
it would be easy to stick in the JobConf during job-submission.

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