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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2016/07/03 06:36:11 UTC
[jira] [Updated] (HBASE-16146) Counter is a perf killer
[ https://issues.apache.org/jira/browse/HBASE-16146?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack updated HBASE-16146:
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Attachment: less_and_less_counters.png
counters.patch
Also graph of my using less and then even less counters... w/ throughput going up.
> 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
> Attachments: 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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