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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7136) Additional Performance Improvement for Resource Profile Feature
Date Wed, 30 Aug 2017 22:12:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16148131#comment-16148131
] 

Hadoop QA commented on YARN-7136:
---------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  0s{color} | {color:blue}
Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  5s{color} | {color:red}
YARN-7136 does not apply to trunk. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | YARN-7136 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12884553/YARN-7136.001.patch
|
| Console output | https://builds.apache.org/job/PreCommit-YARN-Build/17213/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> 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
>
>
> 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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