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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5069) add concrete common implementations of CombineFileInputFormat
Date Tue, 19 Mar 2013 00:35:17 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13605867#comment-13605867
] 

Hadoop QA commented on MAPREDUCE-5069:
--------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12574275/MAPREDUCE-5069.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 4 new or modified
test files.

  {color:red}-1 one of tests included doesn't have a timeout.{color}

    {color:red}-1 javac{color:red}.  The patch appears to cause the build to fail.

Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3430//console

This message is automatically generated.
                
> add concrete common implementations of CombineFileInputFormat
> -------------------------------------------------------------
>
>                 Key: MAPREDUCE-5069
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5069
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv1, mrv2
>    Affects Versions: 2.0.3-alpha
>            Reporter: Sangjin Lee
>            Priority: Minor
>         Attachments: MAPREDUCE-5069.patch
>
>
> CombineFileInputFormat is abstract, and its specific equivalents to TextInputFormat,
SequenceFileInputFormat, etc. are currently not in the hadoop code base.
> These sound like very common need wherever CombineFileInputFormat is used, and different
folks would write the same code over and over to achieve the same goal. It sounds very natural
for hadoop to provide at least the text and sequence file implementations of the CombineFileInputFormat
class.

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