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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2016/06/29 19:16:05 UTC

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

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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