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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6679) Reduce Resource instance overhead via non-PBImpl
Date Thu, 08 Jun 2017 17:42:18 GMT

    [ https://issues.apache.org/jira/browse/YARN-6679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16043109#comment-16043109
] 

Wangda Tan commented on YARN-6679:
----------------------------------

[~templedf] thanks for reviewing the patch, I just realized you have already committed the
patch, will do perf tests for the patch anyway. Could you wait at least 1 day before committing
non trivial patches next time?

> Reduce Resource instance overhead via non-PBImpl
> ------------------------------------------------
>
>                 Key: YARN-6679
>                 URL: https://issues.apache.org/jira/browse/YARN-6679
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: 2.8.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>             Fix For: 3.0.0-alpha4
>
>         Attachments: YARN-6679.2.branch-2.patch, YARN-6679.2.trunk.patch, YARN-6679.3.branch-2.patch,
YARN-6679.3.trunk.patch, YARN-6679.branch-2.patch, YARN-6679.trunk.patch
>
>
> Creating and using transient PB-based Resource instances during scheduling is very expensive.
 The overhead can be transparently reduced by internally using lightweight non-PB based instances.



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