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https://issues.apache.org/jira/browse/YARN-7136?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wangda Tan updated YARN-7136:
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Attachment: YARN-7136.YARN-3926.015.patch
Done, thanks [~templedf].
Attached ver.15 patch.
> Additional Performance Improvement for Resource Profile Feature
> ---------------------------------------------------------------
>
> Key: YARN-7136
> URL: https://issues.apache.org/jira/browse/YARN-7136
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager, resourcemanager
> Reporter: Wangda Tan
> Assignee: Wangda Tan
> Priority: Critical
> Attachments: YARN-7136.001.patch, YARN-7136.YARN-3926.001.patch,
> YARN-7136.YARN-3926.002.patch, YARN-7136.YARN-3926.003.patch,
> YARN-7136.YARN-3926.004.patch, YARN-7136.YARN-3926.005.patch,
> YARN-7136.YARN-3926.006.patch, YARN-7136.YARN-3926.007.patch,
> YARN-7136.YARN-3926.008.patch, YARN-7136.YARN-3926.009.patch,
> YARN-7136.YARN-3926.010.patch, YARN-7136.YARN-3926.011.patch,
> YARN-7136.YARN-3926.012.patch, YARN-7136.YARN-3926.013.patch,
> YARN-7136.YARN-3926.014.patch, YARN-7136.YARN-3926.015.patch
>
>
> This JIRA is plan to add following misc perf improvements:
> 1) Use final int in Resources/ResourceCalculator to cache
> #known-resource-types. (Significant improvement).
> 2) Catch Java's ArrayOutOfBound Exception instead of checking array.length
> every time. (Significant improvement).
> 3) Avoid setUnit validation (which is a HashSet lookup) when initialize
> default Memory/VCores ResourceInformation (Significant improvement).
> 4) Avoid unnecessary loop array in Resource#toString/hashCode. (Some
> improvement).
> 5) Removed readOnlyResources in BaseResource. (Minor improvement).
> 6) Removed enum: MandatoryResources, use final integer instead. (Minor
> improvement).
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