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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4610) Support deprecated mapreduce.job.counters.limit property in MR2
Date Thu, 27 Sep 2012 12:44:08 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4610?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13464669#comment-13464669
] 

Hudson commented on MAPREDUCE-4610:
-----------------------------------

Integrated in Hadoop-Hdfs-0.23-Build #387 (See [https://builds.apache.org/job/Hadoop-Hdfs-0.23-Build/387/])
    svn merge -c 1379022 FIXES: MAPREDUCE-4610. Support deprecated mapreduce.job.counters.limit
property in MR2. (Revision 1390670)

     Result = UNSTABLE
bobby : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1390670
Files : 
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/counters/Limits.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/util/ConfigUtil.java

                
> Support deprecated mapreduce.job.counters.limit property in MR2
> ---------------------------------------------------------------
>
>                 Key: MAPREDUCE-4610
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4610
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 2.0.0-alpha
>            Reporter: Tom White
>            Assignee: Tom White
>             Fix For: 2.0.2-alpha
>
>         Attachments: MAPREDUCE-4610.patch
>
>
> The property mapreduce.job.counters.limit was introduced in MAPREDUCE-1943, but the mechanism
was changed in MAPREDUCE-901 where the property name was changed to mapreduce.job.counters.max
without supporting the old name. We should deprecate but honour the old name to make it easier
for folks to move from Hadoop 1 to Hadoop 2.

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