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https://issues.apache.org/jira/browse/HDFS-17028?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ayush Saxena resolved HDFS-17028.
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Fix Version/s: 3.4.0
Hadoop Flags: Reviewed
Resolution: Fixed
> RBF: Optimize debug logs of class ConnectionPool and other related class.
> -------------------------------------------------------------------------
>
> Key: HDFS-17028
> URL: https://issues.apache.org/jira/browse/HDFS-17028
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: rbf
> Affects Versions: 3.3.4
> Reporter: farmmamba
> Assignee: farmmamba
> Priority: Minor
> Labels: pull-request-available
> Fix For: 3.4.0
>
>
> When we change the log level of RouterRpcClient from INFO to DEBUG to figure
> out which connection an user is using. We found logs below:
>
> {code:java}
> 2023-05-29 09:46:09,033 DEBUG
> org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient: User someone
> NN ANN:8020 is using connection
> ClientNamenodeProtocolTranslatorPB@ANN/ANN_IP:8020x3
> 2023-05-29 09:46:09,037 DEBUG
> org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient: User someone
> NN ANN:8020 is using connection
> ClientNamenodeProtocolTranslatorPB@ANN/ANN_IP:8020x1
> 2023-05-29 09:46:09,037 DEBUG
> org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient: User someone
> NN ANN:8020 is using connection
> ClientNamenodeProtocolTranslatorPB@ANN/ANN_IP:8020x2
> 2023-05-29 09:46:09,037 DEBUG
> org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient: User someone
> NN ANN:8020 is using connection
> ClientNamenodeProtocolTranslatorPB@ANN/ANN_IP:8020x3
> 2023-05-29 09:46:09,042 DEBUG
> org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient: User someone
> NN ANN:8020 is using connection
> ClientNamenodeProtocolTranslatorPB@ANN/ANN_IP:8020x0 {code}
> It seems not very clear for us to figure out which connection user is using.
> Therefore, i think we should optimize the toString method of class
> ConnectionContext.
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