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From "zhouyingchao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12282) Connection thread's name should be updated after address changing is detected
Date Tue, 04 Aug 2015 01:48:04 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14652938#comment-14652938
] 

zhouyingchao commented on HADOOP-12282:
---------------------------------------

Any comments?

> 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
>         Attachments: HADOOP-12282-001.patch
>
>
> 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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