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https://issues.apache.org/jira/browse/HDFS-17311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17801124#comment-17801124
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ASF GitHub Bot commented on HDFS-17311:
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LiuGuH opened a new pull request, #6392:
URL: https://github.com/apache/hadoop/pull/6392
…eatorQueue.
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### Description of PR
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.
> 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
>
> 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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