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https://issues.apache.org/jira/browse/HADOOP-8288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13257572#comment-13257572
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Hudson commented on HADOOP-8288:
--------------------------------

Integrated in Hadoop-Hdfs-trunk-Commit #2180 (See 
[https://builds.apache.org/job/Hadoop-Hdfs-trunk-Commit/2180/])
    HADOOP-8288. Remove references of mapred.child.ulimit etc. since they are 
not being used any more (Ravi Prakash via bobby) (Revision 1328018)

     Result = SUCCESS
bobby : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1328018
Files : 
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* 
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/Shell.java
* 
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/packages/templates/conf/mapred-site.xml
* 
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/site/apt/DeprecatedProperties.apt.vm
* 
/hadoop/common/trunk/hadoop-tools/hadoop-streaming/src/test/java/org/apache/hadoop/streaming/TestUlimit.java
* 
/hadoop/common/trunk/hadoop-tools/hadoop-streaming/src/test/java/org/apache/hadoop/streaming/UlimitApp.java

                
> Remove references of mapred.child.ulimit etc. since they are not being used 
> any more
> ------------------------------------------------------------------------------------
>
>                 Key: HADOOP-8288
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8288
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 0.23.2
>            Reporter: Ravi Prakash
>            Assignee: Ravi Prakash
>             Fix For: 0.23.3, 2.0.0, 3.0.0
>
>         Attachments: HADOOP-8288.branch-0.23.patch, 
> HADOOP-8288.branch-0.23.patch
>
>
> Courtesy Philip Su, we found that (mapred.child.ulimit, mapreduce.map.ulimit, 
> mapreduce.reduce.ulimit) were not being used at all. The configuration exists 
> but is never used. Its also mentioned in mapred-default.xml and 
> templates/../mapred-site.xml . Also the method getUlimitMemoryCommand in 
> Shell.java is now useless and can be removed.

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