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https://issues.apache.org/jira/browse/YARN-2014?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Lowe updated YARN-2014:
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Target Version/s: 2.9.0 (was: 2.6.3, 2.7.3)
> Performance: AM scaleability is 10% slower in 2.4 compared to 0.23.9
> --------------------------------------------------------------------
>
> Key: YARN-2014
> URL: https://issues.apache.org/jira/browse/YARN-2014
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.4.0
> Reporter: patrick white
> Assignee: Jason Lowe
>
> Performance comparison benchmarks from 2.x against 0.23 shows AM scalability
> benchmark's runtime is approximately 10% slower in 2.4.0. The trend is
> consistent across later releases in both lines, latest release numbers are:
> 2.4.0.0 runtime 255.6 seconds (avg 5 passes)
> 0.23.9.12 runtime 230.4 seconds (avg 5 passes)
> Diff: -9.9%
> AM Scalability test is essentially a sleep job that measures time to launch
> and complete a large number of mappers.
> The diff is consistent and has been reproduced in both a larger (350 node,
> 100,000 mappers) perf environment, as well as a small (10 node, 2,900
> mappers) demo cluster.
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