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https://issues.apache.org/jira/browse/YARN-7159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16418929#comment-16418929
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Manikandan R commented on YARN-7159:
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Rebasing patch.
> 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, YARN-7159.013.patch, YARN-7159.015.patch,
> YARN-7159.016.patch, YARN-7159.017.patch, YARN-7159.018.patch,
> YARN-7159.019.patch, YARN-7159.020.patch, YARN-7159.021.patch,
> YARN-7159.022.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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