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https://issues.apache.org/jira/browse/MAPREDUCE-7469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17829998#comment-17829998
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ASF GitHub Bot commented on MAPREDUCE-7469:
-------------------------------------------

slfan1989 merged PR #6463:
URL: https://github.com/apache/hadoop/pull/6463




> NNBench createControlFiles should use thread pool to improve performance.
> -------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-7469
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7469
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: liuguanghua
>            Priority: Minor
>              Labels: pull-request-available
>
> NNBench is a good tool for NN performance test. And with multiples maps it 
> will wait long time in createControlFiles.  This can use thread pool to 
> increase concurrency.



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