churro morales created HBASE-12890:
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             Summary: Provide a way to throttle the number of regions moved by 
the balancer
                 Key: HBASE-12890
                 URL: https://issues.apache.org/jira/browse/HBASE-12890
             Project: HBase
          Issue Type: Improvement
    Affects Versions: 2.0.0, 0.98.10, 1.1.0
            Reporter: churro morales
            Assignee: churro morales


We have a very large cluster and we frequently add remove quite a few 
regionservers from our cluster.  Whenever we do this the balancer moves 
thousands of regions at once.  Instead we provide a configuration parameter: 
hbase.balancer.max.regions.  This limits the number of regions that are 
balanced per iteration.  



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