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From "Manikandan R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7159) Normalize unit of resource objects in RM and avoid to do unit conversion in critical path
Date Fri, 03 Nov 2017 15:26:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16237740#comment-16237740
] 

Manikandan R commented on YARN-7159:
------------------------------------

1,3: done. Also renamed getRegNMRequest -> getRegisteredNMRequest
2: Initially, created this method to use it in few other places, but then finally ended up
in using in only 1 place. Hence removed method for now. Hope this is fine.

4. {{mvn test -Dtest=TestCapacitySchedulerPerf#testUserLimitThroughputForTwoResources -DRunCapacitySchedulerPerfTests=true}}

Ran test and able to see successful execution. Report Summary is
#ResourceTypes = 2. Avg of fastest 20: 42643.92

> 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, YARN-7159.012.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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