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From Allen Wittenauer <awittena...@linkedin.com>
Subject Re: Best practices - Large Hadoop Cluster
Date Tue, 10 Aug 2010 13:54:01 GMT

On Aug 10, 2010, at 6:46 AM, Raj V wrote:

> I need to start setting up a large - hadoop cluster of 512 nodes . My biggest 
> problem is the SSH keys. Is there a simpler way of generating and exchanging ssh 
> keys among the nodes? Any best practices? If there is none, I could volunteer to 
> do it,

For hosts? DNS SSHFP records

For users?  Use Kerberos + SSH with GSSAPI enabled
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