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https://issues.apache.org/jira/browse/YARN-6245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daryn Sharp updated YARN-6245:
------------------------------
Comment: was deleted
(was: Same as trunk patch, plus 1-line changes to the deprecated and removed
resource increase/decrease PBs and request PB.)
> Add FinalResource object to reduce overhead of Resource class instancing
> ------------------------------------------------------------------------
>
> Key: YARN-6245
> URL: https://issues.apache.org/jira/browse/YARN-6245
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Wangda Tan
> Attachments: observable-resource.patch,
> YARN-6245.preliminary-staled.1.patch
>
>
> There're lots of Resource object creation in YARN Scheduler, since Resource
> object is backed by protobuf, creation of such objects is expensive and
> becomes bottleneck.
> To address the problem, we can introduce a FinalResource (Is it better to
> call it ImmutableResource?) object, which is not backed by PBImpl. We can use
> this object in frequent invoke paths in the scheduler.
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