GHC Hadoop cluster information

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Anyone can log into these machines with their Andrew account.

FQDNs are ghc{01..81}.ghc.andrew.cmu.edu.  There should be a user

directory for you already under your andrew id. 

The NameNode and Map/Reduce Admin. URLs:

http://ghc81.ghc.andrew.cmu.edu:50070/dfshealth.jsp
http://ghc81.ghc.andrew.cmu.edu:50030/jobtracker.jsp

25 nodes have 12 Intel Xeon cores @ 3.20GHZ, 12288KB cache.  12GB RAM.
56 nodes have 4 Intel Xeon cores @ 2.67GHz, with 8192KB cache.  Also 12GB RAM.
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