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From Steve Loughran <ste...@apache.org>
Subject Re: Multiple NIC Cards
Date Wed, 10 Jun 2009 16:30:18 GMT
John Martyniak wrote:
> Does hadoop "cache" the server names anywhere?  Because I changed to 
> using DNS for name resolution, but when I go to the nodes view, it is 
> trying to view with the old name.  And I changed the hadoop-site.xml 
> file so that it no longer has any of those values.

in SVN head, we try and get Java to tell us what is going on

This uses InetAddress.getLocalHost().getCanonicalHostName() to get the 
value, which is cached for life of the process. I don't know of anything 
else, but wouldn't be surprised -the Namenode has to remember the 
machines where stuff was stored.

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