farmmamba created HDFS-17028:
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Summary: RBF: Optimize toString method of class ConnectionContext
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
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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