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Posted to common-issues@hadoop.apache.org by "zhouyingchao (JIRA)" <ji...@apache.org> on 2015/07/29 14:29:04 UTC

[jira] [Commented] (HADOOP-12282) Connection thread's name should be updated after address changing is detected

    [ https://issues.apache.org/jira/browse/HADOOP-12282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14645967#comment-14645967 ] 

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

[~owen.omalley]  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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