[jira] [Created] (HBASE-16146) Counter is a perf killer

[stack (JIRA)]

stack created HBASE-16146:
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             Summary: Counter is a perf killer
                 Key: HBASE-16146
                 URL: https://issues.apache.org/jira/browse/HBASE-16146
             Project: HBase
          Issue Type: Sub-task
            Reporter: stack


Doing workloadc, perf shows 10%+ of CPU being spent on counter#add. If I 
disable some of the hot ones -- see patch -- I can get 10% more throughput 
(390k to 440k). Figure something better.



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