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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5128) Allow multiple net interfaces to be used with HA namenode RPC server
Date Mon, 26 Aug 2013 20:34:52 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13750512#comment-13750512

Kihwal Lee commented on HDFS-5128:

There are two servers: optional service RPC server and (client) RPC server.
> Allow multiple net interfaces to be used with HA namenode RPC server
> --------------------------------------------------------------------
>                 Key: HDFS-5128
>                 URL: https://issues.apache.org/jira/browse/HDFS-5128
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Kihwal Lee
>            Assignee: Kihwal Lee
>            Priority: Critical
>         Attachments: HDFS-5128.branch-2.patch, HDFS-5128.branch-2.v2.patch, HDFS-5128.trunk.patch,
> With the new RPCv9, NN RPC server can be bound to multiple IP addresses and serve clients
connecting to different addressed using the same SPN. But the only way to have NN bind to
multiple addresses is to set its RPC address to This does not work well with HA especially
when name nodes share the same config. 
> I propose a new option for NN rpc server to bind to all interfaces, independent of the
rpc address configuration.

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