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https://issues.apache.org/jira/browse/HDFS-14927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16960221#comment-16960221
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Leon Gao commented on HDFS-14927:
---------------------------------

Add UT and update function name to getAsyncCallerPool

> RBF: Add metrics for async callers thread pool
> ----------------------------------------------
>
>                 Key: HDFS-14927
>                 URL: https://issues.apache.org/jira/browse/HDFS-14927
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: rbf
>            Reporter: Leon Gao
>            Assignee: Leon Gao
>            Priority: Minor
>         Attachments: HDFS-14927.001.patch, HDFS-14927.002.patch
>
>
> It is good to add some monitoring on the async caller thread pool to handle 
> fan-out RPC client requests, so we know the utilization and when to bump up 
> dfs.federation.router.client.thread-size



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