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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-4483) Refactor NN WebUI to no longer pass IP addresses in the URL
Date Fri, 08 Feb 2013 18:13:13 GMT
Andrew Wang created HDFS-4483:
---------------------------------

             Summary: Refactor NN WebUI to no longer pass IP addresses in the URL
                 Key: HDFS-4483
                 URL: https://issues.apache.org/jira/browse/HDFS-4483
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Andrew Wang
            Assignee: Andrew Wang


Right now, the namenode passes its RPC address in WebUI URLs when it redirects to datanodes
for things like browsing the filesystem. This is brittle and fails in different ways when
wildcard addresses are configured (see HDFS-3932 and HDFS-4471).

A better solution would be to instead pass the NN's nameservice ID in the URL, and make DNs
look up the appropriate RPC address for the nameservice from their conf. This fixes the wildcard
issues and has the additional benefit of making browsing work after a NN failover.

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