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https://issues.apache.org/jira/browse/YARN-5764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16372275#comment-16372275
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Devaraj K commented on YARN-5764:
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[~miklos.szeg...@cloudera.com] Thanks for comments.
bq. Is MB not supported?
Here conversion is happening to MB, directly taking the value if it is already
in MB.
bq. Containers can change their resource usage. I do not see that supported,
yet. It may need another jira.
Agree, will create an another jira to handle this.
I have addressed the other comments in the patch, please have a look into the
patch.
> NUMA awareness support for launching containers
> -----------------------------------------------
>
> Key: YARN-5764
> URL: https://issues.apache.org/jira/browse/YARN-5764
> Project: Hadoop YARN
> Issue Type: New Feature
> Components: nodemanager, yarn
> Reporter: Olasoji
> Assignee: Devaraj K
> Priority: Major
> Attachments: NUMA Awareness for YARN Containers.pdf, NUMA Performance
> Results.pdf, YARN-5764-v0.patch, YARN-5764-v1.patch, YARN-5764-v2.patch,
> YARN-5764-v3.patch, YARN-5764-v4.patch, YARN-5764-v5.patch,
> YARN-5764-v6.patch, YARN-5764-v7.patch
>
>
> The purpose of this feature is to improve Hadoop performance by minimizing
> costly remote memory accesses on non SMP systems. Yarn containers, on launch,
> will be pinned to a specific NUMA node and all subsequent memory allocations
> will be served by the same node, reducing remote memory accesses. The current
> default behavior is to spread memory across all NUMA nodes.
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