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https://issues.apache.org/jira/browse/YARN-8977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16678272#comment-16678272
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Weiwei Yang commented on YARN-8977:
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The UT failure should be irrelevant, I tested locally it can work correctly.
+1 for the v2 patch, committing soon.
> Remove explicit type when called AbstractYarnScheduler#getSchedulerNode to
> avoid type casting
> ---------------------------------------------------------------------------------------------
>
> Key: YARN-8977
> URL: https://issues.apache.org/jira/browse/YARN-8977
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Wanqiang Ji
> Assignee: Wanqiang Ji
> Priority: Major
> Attachments: YARN-8977.001.patch, YARN-8977.002.patch
>
>
> Due to the AbstractYarnScheduler#getSchedulerNode method return the generic
> type, so I think don't need explicit type.
> I found this issue in CapacityScheduler class. The warning message like:
> {quote}Casting 'getSchedulerNode( nonKillableContainer.getAllocatedNode())'
> to 'FiCaSchedulerNode' is redundant
> {quote}
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