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https://issues.apache.org/jira/browse/HDFS-17766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17939685#comment-17939685
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ASF GitHub Bot commented on HDFS-17766:
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hfutatzhanghb opened a new pull request, #7561:
URL: https://github.com/apache/hadoop/pull/7561
### Description of PR
Avoid initializing unused threadPool in RouterAsyncRpcClient.
Actually, we use async handler to send rpc to NN rather than the original
threadPool.
> [ARR] Avoid initializing unused threadPool in RouterAsyncRpcClient
> ------------------------------------------------------------------
>
> Key: HDFS-17766
> URL: https://issues.apache.org/jira/browse/HDFS-17766
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: rbf
> Reporter: farmmamba
> Assignee: farmmamba
> Priority: Major
>
> Avoid initializing unused threadPool in RouterAsyncRpcClient.
> This can save thread resources.
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