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https://issues.apache.org/jira/browse/IMPALA-5767?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong resolved IMPALA-5767.
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Resolution: Invalid
> Automated perf job which doesn't rely on OS buffer cache
> --------------------------------------------------------
>
> Key: IMPALA-5767
> URL: https://issues.apache.org/jira/browse/IMPALA-5767
> Project: IMPALA
> Issue Type: Task
> Components: Infrastructure
> Reporter: Matthew Jacobs
> Priority: Major
> Labels: performance
>
> It seems that there are no automated jobs right now which reliably capture
> perf measurements on a workload where the data isn't already in OS buffer
> cache.
> See
> https://unix.stackexchange.com/questions/87908/how-do-you-empty-the-buffers-and-cache-on-a-linux-system
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