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https://issues.apache.org/jira/browse/YARN-4560?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ray Chiang updated YARN-4560:
-----------------------------
    Attachment: YARN-4560.001.patch

Initial version.

> Make scheduler error checking message more user friendly
> --------------------------------------------------------
>
>                 Key: YARN-4560
>                 URL: https://issues.apache.org/jira/browse/YARN-4560
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: yarn
>    Affects Versions: 2.8.0
>            Reporter: Ray Chiang
>            Assignee: Ray Chiang
>            Priority: Trivial
>         Attachments: YARN-4560.001.patch
>
>
> If the YARN properties below are poorly configured:
> {code}
> yarn.scheduler.minimum-allocation-mb
> yarn.scheduler.maximum-allocation-mb
> {code}
> The error message that shows up in the RM is:
> {panel}
> 2016-01-07 14:47:03,711 FATAL 
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Error starting 
> ResourceManager
> org.apache.hadoop.yarn.exceptions.YarnRuntimeException: Invalid resource 
> scheduler memory allocation configuration, 
> yarn.scheduler.minimum-allocation-mb=-1, 
> yarn.scheduler.maximum-allocation-mb=-3, min should equal greater than 0, max 
> should be no smaller than min.
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.validateConf(FairScheduler.java:215)
> {panel}
> While it's technically correct, it's not very user friendly.



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