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Posted to dev@hbase.apache.org by "Andrew Kyle Purtell (Jira)" <ji...@apache.org> on 2022/06/15 00:48:00 UTC

[jira] [Resolved] (HBASE-15004) Use nanoTime for all metrics

     [ https://issues.apache.org/jira/browse/HBASE-15004?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Kyle Purtell resolved HBASE-15004.
-----------------------------------------
    Resolution: Won't Fix

> Use nanoTime for all metrics
> ----------------------------
>
>                 Key: HBASE-15004
>                 URL: https://issues.apache.org/jira/browse/HBASE-15004
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Elliott Neil Clark
>            Priority: Major
>
> {code}
> Benchmark                  Mode       Cnt    Score   Error  Units
> TimeBench.testMilliTime  sample  50615439  113.843 ± 3.106  ns/op
> TimeBench.testNanoTime   sample  49392444  109.096 ± 1.976  ns/op
> {code}
> On any recent version of Linux (where > 95% of HBase regionservers run) the gettimeofday is cheap.



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