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https://issues.apache.org/jira/browse/YARN-8168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16455631#comment-16455631
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Íñigo Goiri edited comment on YARN-8168 at 4/27/18 1:26 AM:
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The approach in [^YARN-8168.000.patch] looks good.
I would add some comment describing the approach being taken here and what
would be the case when there is only one.
>From the code, we switch to each CPU gorup and we collect those stats.
What does Linux do?
I would also try to create a couple functions if possible; for example one to
get the core info.
was (Author: elgoiri):
[^YARN-8168.000.patch] looks good.
I would add some comment describing the approach being taken here and what
would be the case when there is only one.
>From the code, we switch to each CPU gorup and we collect those stats.
What does Linux do?
> Add support in Winutils for reporting CPU cores in all CPU groups, and
> aggregate kernel time, idle time and user time for all CPU groups
> ----------------------------------------------------------------------------------------------------------------------------------------
>
> Key: YARN-8168
> URL: https://issues.apache.org/jira/browse/YARN-8168
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Xiao Liang
> Assignee: Xiao Liang
> Priority: Major
> Labels: windows
> Attachments: YARN-8168.000.patch
>
>
> Currently winutils can only report the CPU cores of the CPU group that it's
> running in, and the cpuTimeMs calculated from kernel time, idle time and user
> time is also for that CPU group only, which is not complete and incorrect for
> systems with multiple CPU groups (NUMA system for example).
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