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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Created: (HDFS-1464) Fix reporting of 2NN address when dfs.secondary.http.address is default (wildcard)
Date Tue, 19 Oct 2010 21:49:30 GMT
Fix reporting of 2NN address when dfs.secondary.http.address is default (wildcard)
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                 Key: HDFS-1464
                 URL: https://issues.apache.org/jira/browse/HDFS-1464
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: name-node
    Affects Versions: 0.22.0
            Reporter: Todd Lipcon


HDFS-1080 broke the way that the 2NN identifies its own hostname to the NN during checkpoint
upload. It used to use the local hostname, which as HDFS-1080 pointed out was error prone
if it had multiple interfaces, etc. But now, with the default setting of dfs.secondary.http.address,
the 2NN reports "0.0.0.0", which won't work either.

We should look for the wildcard bind address and use the local hostname in that case, like
we used to.

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