Rackspace has great support for Accumulo, Hadoop, and ZooKeeper. For Hadoop and ZooKeeper, there is a set of libraries called Apache Whirr that provides the ability to communicate with a large number of clouds by using low-level API libraries. This is exactly the same as for Amazon EC2. This section will focus on the difference between Amazon EC2 and Rackspace Cloud Services. Follow the Amazon EC2 steps with some minor changes as described in the Configuration section.
/usr/local/whirr/const/credentials file and change these lines:
PROVIDER=clusterservers-us IDENTITY=<your login from rackspace> CREDENTIAL= <You API key>
/usr/local/whirr/conf/cluster.properties file, you need to change
whirr.provider and provide ...