zhaoyunjiong created HDFS-6133:
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             Summary: Make Balancer support don't move blocks belongs to Hbase
                 Key: HDFS-6133
                 URL: https://issues.apache.org/jira/browse/HDFS-6133
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: balancer, namenode
            Reporter: zhaoyunjiong
            Assignee: zhaoyunjiong


Currently, run Balancer will destroying Regionserver's data locality.
If getBlocks could exclude blocks belongs to files which have specific path 
prefix, like "/hbase", then we can run Balancer without destroying 
Regionserver's data locality.




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