Kafka is a a distributed pub/sub system recently open sourced by LinkedIn. The code repo is located here and and a good technical overview can be read here. It would be good to be able to deploy and manage it via Whirr.
is duplicated by
KAFKA-10Kafka deployment on EC2 should be WHIRR based, instead of current contrib/deploy code based solution
is required by
WHIRR-529GSoC 2012: Add new services to Apache Whirr