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https://issues.apache.org/jira/browse/YARN-11247?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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fanshilun updated YARN-11247:
-----------------------------
    Description: 
YARN-9615 adds Metric to RM's dispatcher, but the patch introduces a class 
without any usage

org.apache.hadoop.yarn.metrics#DisableEventTypeMetrics

1. Without any code references
2. Without any test code references
3. Delete this class, the local can be compiled successfully

I think this class can be removed.

  was:
YARN-9615 adds Metric to RM's dispatcher, but the patch introduces a class 
without any usage

org.apache.hadoop.yarn.metrics#DisableEventTypeMetrics


> Remove unused classes introduced by YARN-9615
> ---------------------------------------------
>
>                 Key: YARN-11247
>                 URL: https://issues.apache.org/jira/browse/YARN-11247
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: 3.4.0
>            Reporter: fanshilun
>            Assignee: fanshilun
>            Priority: Minor
>
> YARN-9615 adds Metric to RM's dispatcher, but the patch introduces a class 
> without any usage
> org.apache.hadoop.yarn.metrics#DisableEventTypeMetrics
> 1. Without any code references
> 2. Without any test code references
> 3. Delete this class, the local can be compiled successfully
> I think this class can be removed.



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