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https://issues.apache.org/jira/browse/YARN-7159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16237300#comment-16237300
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Sunil G commented on YARN-7159:
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[[email protected]] Also one more thing. I tested performance UT test also
with this patch. Not much regression. However please run these tests against
and compare with this patch also. So we can see how much performance
improvement this patch is bringing.
{{mvn test
-Dtest=TestCapacitySchedulerPerf#testUserLimitThroughputForTwoResources
-DRunCapacitySchedulerPerfTests=true}}
> Normalize unit of resource objects in RM and avoid to do unit conversion in
> critical path
> -----------------------------------------------------------------------------------------
>
> Key: YARN-7159
> URL: https://issues.apache.org/jira/browse/YARN-7159
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager, resourcemanager
> Reporter: Wangda Tan
> Assignee: Manikandan R
> Priority: Critical
> Attachments: YARN-7159.001.patch, YARN-7159.002.patch,
> YARN-7159.003.patch, YARN-7159.004.patch, YARN-7159.005.patch,
> YARN-7159.006.patch, YARN-7159.007.patch, YARN-7159.008.patch,
> YARN-7159.009.patch, YARN-7159.010.patch, YARN-7159.011.patch
>
>
> Currently resource conversion could happen in critical code path when
> different unit is specified by client. This could impact performance and
> throughput of RM a lot. We should do unit normalization when resource passed
> to RM and avoid expensive unit conversion every time.
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