zhouyingchao created HADOOP-12282:
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Summary: Connection thread's name should be updated after address
changing is detected
Key: HADOOP-12282
URL: https://issues.apache.org/jira/browse/HADOOP-12282
Project: Hadoop Common
Issue Type: Bug
Components: ipc
Reporter: zhouyingchao
Assignee: zhouyingchao
In a hadoop hdfs cluster, I changed the standby Namenode's ip address (the
hostname is not changed and the routing tables are updated). After the change,
the cluster is running as normal.
However, I found that the debug message of datanode's IPC still prints the
original ip address. By looking into the implementation, it turns out that the
original address is used as the thread's name. I think the thread's name
should be changed if the address change is detected.
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