Distinguish read and write request count in region
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                 Key: HBASE-3647
                 URL: https://issues.apache.org/jira/browse/HBASE-3647
             Project: HBase
          Issue Type: Improvement
            Reporter: Ted Yu
            Assignee: Ted Yu


Distinguishing read and write request counts, on top of HBASE-3507, would 
benefit load balancer.
The action for balancing read vs. write load should be different. For read 
load, region movement should be low (to keep scanner happy). For write load, 
region movement is allowed.
Now that we have cheap(er) counters, it should not be too burdensome keeping up 
the extra count.

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