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stack commented on HBASE-16146: ------------------------------- +1 > Counters are expensive... > ------------------------- > > Key: HBASE-16146 > URL: https://issues.apache.org/jira/browse/HBASE-16146 > Project: HBase > Issue Type: Sub-task > Reporter: stack > Attachments: HBASE-16146.branch-1.3.001.patch, counters.patch, > less_and_less_counters.png > > > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)