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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-7136) Additional Performance Improvement for Resource Profile Feature
Date Tue, 14 Nov 2017 06:41:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-7136?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daniel Templeton updated YARN-7136:
-----------------------------------
    Fix Version/s: 3.0.0

> 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
>             Fix For: 3.0.0, 3.1.0
>
>         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, YARN-7136.YARN-3926.016.patch, YARN-7136.branch-3.0.001.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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