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Posted to yarn-issues@hadoop.apache.org by "Weiwei Yang (JIRA)" <ji...@apache.org> on 2018/11/07 14:27:00 UTC
[jira] [Updated] (YARN-8977) Remove unnecessary type casting when
calling AbstractYarnScheduler#getSchedulerNode
[ https://issues.apache.org/jira/browse/YARN-8977?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Weiwei Yang updated YARN-8977:
------------------------------
Summary: Remove unnecessary type casting when calling AbstractYarnScheduler#getSchedulerNode (was: Remove explicit type when called AbstractYarnScheduler#getSchedulerNode to avoid type casting)
> Remove unnecessary type casting when calling AbstractYarnScheduler#getSchedulerNode
> -----------------------------------------------------------------------------------
>
> 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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