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https://issues.apache.org/jira/browse/HDFS-6595?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14042498#comment-14042498
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Jitendra Nath Pandey commented on HDFS-6595:
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Its a good idea to add a unit test. I am not clear why we need Balancer to
allow more than 5 concurrent moves to test this. Just set the max number of
threads to a smaller number (e.g. 3) and see the exception?
> Configure the maximum threads allowed for balancing on datanodes
> ----------------------------------------------------------------
>
> Key: HDFS-6595
> URL: https://issues.apache.org/jira/browse/HDFS-6595
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Reporter: Benoy Antony
> Assignee: Benoy Antony
> Attachments: HDFS-6595.patch
>
>
> Currently datanode allows a max of 5 threads to be used for balancing.
> In some cases, , it may make sense to use a different number of threads to
> the purpose of moving.
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