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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-16146) Counters are expensive...
Date Thu, 09 Nov 2017 01:42:01 GMT

     [ https://issues.apache.org/jira/browse/HBASE-16146?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell updated HBASE-16146:
-----------------------------------
    Fix Version/s:     (was: 1.4.0)

> Counters are expensive...
> -------------------------
>
>                 Key: HBASE-16146
>                 URL: https://issues.apache.org/jira/browse/HBASE-16146
>             Project: HBase
>          Issue Type: Sub-task
>          Components: metrics
>            Reporter: stack
>            Assignee: Gary Helmling
>             Fix For: 2.0.0, 1.3.0
>
>         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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