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https://issues.apache.org/jira/browse/MAPREDUCE-5970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14169691#comment-14169691
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Jason Lowe commented on MAPREDUCE-5970:
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Thanks for updating the patch, Gera! The audit and unit test failures are
unrelated. Patch looks good except for one minor thing which I missed in the
initial review. I noticed that tasks add their profile params as the last
parameter before the classname on the JVM command-line, but YARNRunner is
adding the AM profile options as the first thing. For consistency in case
there's overlap between the profile params and admin/user options these should
be last to match the existing behavior for tasks.
> Provide a boolean switch to enable MR-AM profiling
> --------------------------------------------------
>
> Key: MAPREDUCE-5970
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5970
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: applicationmaster, client
> Affects Versions: 2.4.1
> Reporter: Gera Shegalov
> Assignee: Gera Shegalov
> Priority: Minor
> Attachments: MAPREDUCE-5970.v01.patch, MAPREDUCE-5970.v02.patch
>
>
> MR task profiling can be enabled with a simple switch
> {{mapreduce.task.profile=true}}. We can analogously have
> {{yarn.app.mapreduce.am.profile}} for MR-AM
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