A Hadoop Cluster running on EC2/UEC deployed by puppet on Ubuntu Maverick. How it works The Cloud Conductor is located outside the AWS infrastructure as it needs AWS credentials to start new instances. The Puppet Master runs in EC2 and uses S3 to check which clients it should accept. The Hadoop Namenode, Jobtracker and Worker are also running in EC2. The Puppet Master automatically configures them
![Deploying a Hadoop cluster on EC2/UEC with Puppet and Ubuntu Maverick](https://cdn-ak-scissors.b.st-hatena.com/image/square/65c9b39678bf5cd8c8aff96d8ed16d0f1e6d5e9e/height=288;version=1;width=512/https%3A%2F%2Fubuntumathiaz.wordpress.com%2Fwp-content%2Fuploads%2F2010%2F09%2Foverview.png)