[jira] [Commented] (SPARK-31921) Wrong warning of "WARN Master: App app-xxx requires more resource than any of Workers could have."

["Apache Spark (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-31921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17127357#comment-17127357 ] 

Apache Spark commented on SPARK-31921:
--------------------------------------

User 'Ngone51' has created a pull request for this issue:
https://github.com/apache/spark/pull/28742

> Wrong warning of "WARN Master: App app-xxx requires more resource than any of Workers could have."
> --------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-31921
>                 URL: https://issues.apache.org/jira/browse/SPARK-31921
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 3.0.0
>            Reporter: wuyi
>            Priority: Major
>
> When starting spark-shell using local cluster mode, e.g. ./bin/spark-shell --master "local-cluster[2, 1, 1024]", there will be a warning:
>  
> {code:java}
> 20/06/06 22:09:09 WARN Master: App app-20200606220908-0000 requires more resource than any of Workers could have.
> {code}
> which means the application can not get enough resources to launch at least one executor.
> But that's not true since we can successfully complete a job.



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