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https://issues.apache.org/jira/browse/HDFS-17689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17907255#comment-17907255
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ASF GitHub Bot commented on HDFS-17689:
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hfutatzhanghb opened a new pull request, #7236:
URL: https://github.com/apache/hadoop/pull/7236
### Description of PR
Add some docs for RouterRpcServer#getRPCMetrics method because this method
may return null if `dfs.federation.router.metrics.enable` is false.
> RBF:Add some docs for RouterRpcServer#getRPCMetrics method.
> -----------------------------------------------------------
>
> Key: HDFS-17689
> URL: https://issues.apache.org/jira/browse/HDFS-17689
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: farmmamba
> Assignee: farmmamba
> Priority: Major
>
> RBF:RouterRpcMonitor#getRPCMetrics should add null condition judgment
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