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https://issues.apache.org/jira/browse/IMPALA-6161?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong resolved IMPALA-6161.
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Resolution: Later
> single_node_perf_run performance has high variability
> -----------------------------------------------------
>
> Key: IMPALA-6161
> URL: https://issues.apache.org/jira/browse/IMPALA-6161
> Project: IMPALA
> Issue Type: Bug
> Components: Perf Investigation
> Reporter: Jim Apple
> Priority: Major
>
> single_node_perf_run has different run caharacteristics for the queries
> depening on which order they are run in. See
> https://jenkins.impala.io/view/Experimental/job/perf-AB-test/148/parameters/
> https://jenkins.impala.io/view/Experimental/job/perf-AB-test/149/parameters/
> https://jenkins.impala.io/view/Experimental/job/perf-AB-test/151/parameters/
> https://jenkins.impala.io/view/Experimental/job/perf-AB-test/152/parameters/
> When the order of the hashes changes, the performance changes as well.
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