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Posted to issues@aurora.apache.org by "Bill Farner (JIRA)" <ji...@apache.org> on 2015/12/28 03:57:49 UTC

[jira] [Resolved] (AURORA-52) Track percentile stats about replicated log write latency

     [ https://issues.apache.org/jira/browse/AURORA-52?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bill Farner resolved AURORA-52.
-------------------------------
    Resolution: Later

> Track percentile stats about replicated log write latency
> ---------------------------------------------------------
>
>                 Key: AURORA-52
>                 URL: https://issues.apache.org/jira/browse/AURORA-52
>             Project: Aurora
>          Issue Type: Story
>          Components: Scheduler
>            Reporter: Bill Farner
>            Priority: Minor
>              Labels: O3
>
> We currently track the aggregate log append write latency, but this doesn't tell the whole story.  We've encountered situations in production where kernel and disk issues can lead to a long tail of high latency appends, which are buried in the aggregate.



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