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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9940) Balancer should not use property dfs.datanode.balance.max.concurrent.moves
Date Fri, 29 Sep 2017 20:53:03 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9940?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun Suresh updated HDFS-9940:
------------------------------
    Target Version/s: 3.1.0  (was: 2.9.0)

> Balancer should not use property dfs.datanode.balance.max.concurrent.moves
> --------------------------------------------------------------------------
>
>                 Key: HDFS-9940
>                 URL: https://issues.apache.org/jira/browse/HDFS-9940
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: balancer & mover
>    Affects Versions: 2.6.0
>            Reporter: John Zhuge
>            Assignee: John Zhuge
>            Priority: Minor
>              Labels: supportability
>
> It is very confusing for both Balancer and Datanode to use the same property {{dfs.datanode.balance.max.concurrent.moves}}.
It is especially so for the Balancer because the property has "datanode" in the name string.
Many customers forget to set the property for the Balancer.
> Change the Balancer to use a new property {{dfs.balancer.max.concurrent.moves}}.



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