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Posted to mapreduce-issues@hadoop.apache.org by "Robert Joseph Evans (Commented) (JIRA)" <ji...@apache.org> on 2012/04/10 23:53:16 UTC

[jira] [Commented] (MAPREDUCE-4134) Remove references of mapred.child.ulimit etc. since they are not being used any more

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13251095#comment-13251095 ] 

Robert Joseph Evans commented on MAPREDUCE-4134:
------------------------------------------------

We should be sure to deprecate them and add in a custom message that they no longer work.
                
> Remove references of mapred.child.ulimit etc. since they are not being used any more
> ------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4134
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4134
>             Project: Hadoop Map/Reduce
>          Issue Type: Task
>          Components: mrv2
>    Affects Versions: 0.23.2
>            Reporter: Ravi Prakash
>            Assignee: Ravi Prakash
>
> 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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