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From "maobaolong (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-13783) Balancer: make balancer to be a long service process for easy to monitor it.
Date Thu, 02 Aug 2018 01:40:00 GMT
maobaolong created HDFS-13783:
---------------------------------

             Summary: Balancer: make balancer to be a long service process for easy to monitor
it.
                 Key: HDFS-13783
                 URL: https://issues.apache.org/jira/browse/HDFS-13783
             Project: Hadoop HDFS
          Issue Type: New Feature
          Components: balancer &amp; mover
    Affects Versions: 3.0.3
            Reporter: maobaolong


If we have a long service process of balancer, like namenode, datanode, we can get metrics
of balancer, the metrics can tell us the status of balancer, the amount of block it has moved,

We can get or set the balance plan by the balancer webUI. So many things we can do if we have
a long balancer service process.

So, shall we start to plan the new Balancer? Hope this feature can enter the next release
of hadoop.



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