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https://issues.apache.org/jira/browse/YARN-6953?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16119495#comment-16119495
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Sunil G commented on YARN-6953:
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[~maniraj...@gmail.com], I could see that the optimization done here in this
patch is to unroll the existing *for* loop.
But as I see here, we are filling for minimum and maximum separately. Overall
below elements are variable ones.
Top level, we need to do for minimum and maximum. So we could have
{{setAllocationForMandatoryResources}} and could take minimum or maximum as
param. Inside this method, we can invoke another method which can take
memory/vcores as input param and fill in same.
This may be more neater and readable than replicating same code in various
places.
> Clean up ResourceUtils.setMinimumAllocationForMandatoryResources() and
> setMaximumAllocationForMandatoryResources()
> ------------------------------------------------------------------------------------------------------------------
>
> Key: YARN-6953
> URL: https://issues.apache.org/jira/browse/YARN-6953
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Affects Versions: YARN-3926
> Reporter: Daniel Templeton
> Assignee: Manikandan R
> Priority: Minor
> Labels: newbie
> Attachments: YARN-6953-YARN-3926.001.patch,
> YARN-6953-YARN-3926.002.patch, YARN-6953-YARN-3926.003.patch,
> YARN-6953-YARN-3926.004.patch
>
>
> The {{setMinimumAllocationForMandatoryResources()}} and
> {{setMaximumAllocationForMandatoryResources()}} methods are quite convoluted.
> They'd be much simpler if they just handled CPU and memory manually instead
> of trying to be clever about doing it in a loop. There are also issues, such
> as the log warning always talking about memory or the last element of the
> inner array being a copy of the first element.
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