I use the Cloudera distribution and it works just fine. It already includes 
Java and Hadoop.

http://archive.cloudera.com/docs/ec2.html

The default AMI uses Hadoop 0.18.3 but you can launch a special AMI with Hadoop 
0.20 using the following command:

% hadoop-ec2 launch-cluster --env REPO=testing --env HADOOP_VERSION=0.20 \
  my-hadoop-cluster 10


--- En date de : Lun 11.1.10, Grant Ingersoll <[email protected]> a écrit :

> De: Grant Ingersoll <[email protected]>
> Objet: Good starting instance for AMI
> À: [email protected]
> Date: Lundi 11 Janvier 2010, 0h16
> Anyone have recs on a good AMI to
> start with on EC2 to load with Mahout?  Preferably
> Linux and already has Java 1.6 installed.
> 
> Thanks,
> Grant



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