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https://issues.apache.org/jira/browse/YARN-9326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16885104#comment-16885104
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Szilard Nemeth commented on YARN-9326:
--------------------------------------
Committed to trunk / branch-3.2.
Thanks [~adam.antal] for the contribution and [~wilfreds], [~templedf] for the
useful reviews!
> 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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