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https://issues.apache.org/jira/browse/YARN-6971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16119442#comment-16119442
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Sunil G commented on YARN-6971:
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Post YARN-6775, we use SimpleResource for Resource.newInstance().
So for all internal operations on Resource object, we could either use
{{Resource.newInstance()}} or {{Resources. createResource()}}. YARN-3926 work
is streamlining this in a cleaner way.
On that note, we need to use {{BuilderUtils.newResource()}} only in the case
where we need to send the resource over rpc (communication between clients and
servers)
Could you please share more details if I missed some points here.
> Clean up different ways to create resources
> -------------------------------------------
>
> Key: YARN-6971
> URL: https://issues.apache.org/jira/browse/YARN-6971
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: resourcemanager, scheduler
> Reporter: Yufei Gu
> Priority: Minor
> Labels: newbie
>
> There are several ways to create a {{resource}} object, e.g.,
> BuilderUtils.newResource() and Resources.createResource(). These methods not
> only cause confusing but also performance issues, for example
> BuilderUtils.newResource() is significant slow than
> Resources.createResource().
> We could merge them some how, and replace most BuilderUtils.newResource()
> with Resources.createResource().
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