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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2293) Enhance MultipleOutputs to allow additional characters in the named output name
Date Sun, 02 Dec 2012 20:35:59 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13508353#comment-13508353
] 

Hadoop QA commented on MAPREDUCE-2293:
--------------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12555681/mapreduce.mo.removecheck.r5.diff
  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 2 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3090//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3090//console

This message is automatically generated.
                
> Enhance MultipleOutputs to allow additional characters in the named output name
> -------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2293
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2293
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>    Affects Versions: 0.21.0
>            Reporter: David Rosenstrauch
>            Assignee: Harsh J
>            Priority: Minor
>         Attachments: mapreduce.mo.removecheck.r1.diff, mapreduce.mo.removecheck.r2.diff,
mapreduce.mo.removecheck.r3.diff, mapreduce.mo.removecheck.r4.diff, mapreduce.mo.removecheck.r5.diff
>
>
> Currently you are only allowed to use alpha-numeric characters in a named output name
in the MultipleOutputs class.  This is a bit of an onerous restriction, as it would be extremely
convenient to be able to use non alpha-numerics in the name too.  (E.g., a '.' character would
be very helpful, so that you can use the named output name for holding a file name/extension.
 Perhaps '-' and a '_' characters as well.)
> The restriction seems to be somewhat arbitrary - it appears to be only enforced in the
checkTokenName method.  (Though I don't know if there's any downstream impact by loosening
this restriction.)
> Would be extremely helpful/useful to have this fixed though!

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