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https://issues.apache.org/jira/browse/HDFS-17311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17801189#comment-17801189
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ASF GitHub Bot commented on HDFS-17311:
---------------------------------------

hadoop-yetus commented on PR #6392:
URL: https://github.com/apache/hadoop/pull/6392#issuecomment-1872134350

   :broken_heart: **-1 overall**
   
   
   
   
   
   
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> RBF: ConnectionManager creatorQueue should offer a pool that is not already 
> in creatorQueue.
> --------------------------------------------------------------------------------------------
>
>                 Key: HDFS-17311
>                 URL: https://issues.apache.org/jira/browse/HDFS-17311
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: liuguanghua
>            Priority: Major
>              Labels: pull-request-available
>
> 2023-12-29 15:18:54,799 ERROR 
> org.apache.hadoop.hdfs.server.federation.router.ConnectionManager: Cannot add 
> more than 2048 connections at the same time
> In my environment, ConnectionManager creatorQueue is full ,but the cluster 
> does not have so many users cloud reach up  2048 pair of <user,nn> in router.
> In the case of a large number of concurrent  creatorQueue add same pool more 
> than once.
>  



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