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From "Tom White (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5650) Job fails when hprof mapreduce.task.profile.map/reduce.params is specified
Date Fri, 20 Dec 2013 15:48:15 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13854074#comment-13854074

Tom White commented on MAPREDUCE-5650:

Actually, I noticed a problem with the patch - it doesn't do interpolation of the profile
filename (i.e. {{%s}} is replaced by the actual filename). Interpolation should be carried
out for all three properties.

Also, I noticed these properties are not in mapred-default.xml, so they should be added there.

> Job fails when hprof mapreduce.task.profile.map/reduce.params is specified
> --------------------------------------------------------------------------
>                 Key: MAPREDUCE-5650
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5650
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 2.2.0
>            Reporter: Gera Shegalov
>            Assignee: Gera Shegalov
>         Attachments: MAPREDUCE-5650.v01.patch, MAPREDUCE-5650.v02.patch
> When one uses dedicated hprof mapreduce.task.profile.map.params or mapreduce.task.profile.reduce.params,
the profiled tasks will fail to launch because hprof parameters are supplied to the child
jvm twice.

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