[ https://issues.apache.org/jira/browse/YARN-6729?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16668663#comment-16668663 ] 

Shane Kumpf commented on YARN-6729:
-----------------------------------

Thanks, [~tangzhankun]! I'm good with that approach. I'll commit this shortly unless there are other comments.
{quote}One thing in my mind is that once we put "yarn.nodemanager.resource.cpu.enabled" into the document. Does it mean that these features are stable? Because you know, for the historical reason, that settings are marked "unstable".
{quote}
Enabling CgroupsLCEResourcesHandler follows the same code path, so I don't have much concern. We can discuss the annotations and removal of the deprecated code as part of YARN-8924.

> NM percentage-physical-cpu-limit should be always 100 if DefaultLCEResourcesHandler is used
> -------------------------------------------------------------------------------------------
>
>                 Key: YARN-6729
>                 URL: https://issues.apache.org/jira/browse/YARN-6729
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>            Reporter: Yufei Gu
>            Assignee: Zhankun Tang
>            Priority: Major
>         Attachments: YARN-6729-trunk.001.patch
>
>
> NM percentage-physical-cpu-limit is not honored in DefaultLCEResourcesHandler, which may cause container cpu usage calculation issue. e.g. container vcore usage is potentially more than 100% if percentage-physical-cpu-limit is set to a value less than 100. 



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