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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-3129) Fix Min/Avg/Max Values for FS Latency Metrics
Date Sun, 08 Jun 2014 22:05:03 GMT

     [ https://issues.apache.org/jira/browse/HBASE-3129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Andrew Purtell resolved HBASE-3129.

    Resolution: Won't Fix
      Assignee:     (was: Nicolas Spiegelberg)

Stale issue. Reopen if still relevant (if there's new activity)

> Fix Min/Avg/Max Values for FS Latency Metrics
> ---------------------------------------------
>                 Key: HBASE-3129
>                 URL: https://issues.apache.org/jira/browse/HBASE-3129
>             Project: HBase
>          Issue Type: Improvement
>          Components: metrics, regionserver
>    Affects Versions: 0.89.20100924, 0.90.0
>            Reporter: Nicolas Spiegelberg
>            Priority: Minor
> Currently RegionServer FS latency metrics are a little deceiving.  Because fs*Latency
is only updated during RegionServerMetrics::doUpdates, you are really getting the min/max
of the latency average over 'hbase.period' instead of the actual min/max outliers.  We should
refactor the code so we can display these outliers and reset them every 'hbase.period'

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