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https://issues.apache.org/jira/browse/HBASE-16146?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary Helmling updated HBASE-16146:
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Attachment: HBASE-16146.branch-1.001.patch
HBASE-16146.001.patch
The patches for master and branch-1 each wound up being slightly different.
Attaching all here.
> 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-16146.001.patch, HBASE-16146.branch-1.001.patch,
> 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.
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