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Date: Mon, 24 Jul 2017 18:04:00 +0000 (UTC)
From: "Sunil G (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.13085833.1499657170000.153.1500919440977@Atlassian.JIRA>
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Subject: [jira] [Updated] (YARN-6788) Improve performance of resource
 profile branch
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archived-at: Mon, 24 Jul 2017 18:04:09 -0000


     [ https://issues.apache.org/jira/browse/YARN-6788?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sunil G updated YARN-6788:
--------------------------
    Attachment: YARN-6788-YARN-3926.012.patch

As discussed earlier, I will be suppressing 3 findbugs warnings which are related to expose internal representation. But in fact, i return a read only array. Doing a copy on every getter call had significant impact on performance.

> Improve performance of resource profile branch
> ----------------------------------------------
>
>                 Key: YARN-6788
>                 URL: https://issues.apache.org/jira/browse/YARN-6788
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>            Reporter: Sunil G
>            Assignee: Sunil G
>            Priority: Blocker
>         Attachments: YARN-6788-YARN-3926.001.patch, YARN-6788-YARN-3926.002.patch, YARN-6788-YARN-3926.003.patch, YARN-6788-YARN-3926.004.patch, YARN-6788-YARN-3926.005.patch, YARN-6788-YARN-3926.006.patch, YARN-6788-YARN-3926.007.patch, YARN-6788-YARN-3926.008.patch, YARN-6788-YARN-3926.009.patch, YARN-6788-YARN-3926.010.patch, YARN-6788-YARN-3926.011.patch, YARN-6788-YARN-3926.012.patch
>
>
> Currently we could see a 15% performance delta with this branch. 
> Few performance improvements to improve the same.
> Also this patch will handle [comments|https://issues.apache.org/jira/browse/YARN-6761?focusedCommentId=16075418&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16075418] from [~leftnoteasy].


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