[jira] [Commented] (YARN-9326) Fair Scheduler configuration defaults are not documented in case of min and maxResources

["Szilard Nemeth (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-9326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16885102#comment-16885102 ] 

Szilard Nemeth commented on YARN-9326:
--------------------------------------

Hi [~adam.antal]!
+1 for the latest patch! Committing this into trunk and branch-3.2

> Fair Scheduler configuration defaults are not documented in case of min and maxResources
> ----------------------------------------------------------------------------------------
>
>                 Key: YARN-9326
>                 URL: https://issues.apache.org/jira/browse/YARN-9326
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: docs, documentation, fairscheduler, yarn
>    Affects Versions: 3.2.0
>            Reporter: Adam Antal
>            Assignee: Adam Antal
>            Priority: Major
>         Attachments: YARN-9326.001.patch, YARN-9326.002.patch, YARN-9326.003.patch, YARN-9326.004.patch, YARN-9326.005.patch
>
>
> The FairScheduler's configuration has the following defaults (from the code: javadoc):
> {noformat}
> In new style resources, any resource that is not specified will be set to missing or 0%, as appropriate. Also, in the new style resources, units are not allowed. Units are assumed from the resource manager's settings for the resources when the value isn't a percentage. The missing parameter is only used in the case of new style resources without percentages. With new style resources with percentages, any missing resources will be assumed to be 100% because percentages are only used with maximum resource limits.
> {noformat}
> This is not documented in the hadoop yarn site FairScheduler.html. It is quite intuitive, but still need to be documented though.



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