stack created HBASE-15971:
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             Summary: Regression: Random Read/WorkloadC slower in 1.x than 0.98
                 Key: HBASE-15971
                 URL: https://issues.apache.org/jira/browse/HBASE-15971
             Project: HBase
          Issue Type: Sub-task
          Components: rpc
            Reporter: stack
            Assignee: stack
            Priority: Critical


branch-1 is slower than 0.98 doing YCSB random read/workloadC. It seems to be 
doing about 1/2 the throughput of 0.98.

In branch-1, we have low handler occupancy compared to 0.98. Hacking in reader 
thread occupancy metric, is about the same in both. In parent issue, hacking 
out the scheduler, I am able to get branch-1 to go 3x faster so will dig in 
here.



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