I heard comparisons with other technologies before, like RabbitMQ [1] [2] but I would love to see an feature/performance comparison between kafka and other simi

I heard comparisons with other technologies before, like RabbitMQ [1] [2] but I would love to see an feature/performance comparison between kafka and other similar solutions, specially with cloud based services like the new kid on the 'Google Pub/Sub' [3] [1] http://www.quora.com/RabbitMQ-vs-Kafka-which-one-for-durable-messaging-with-good-query-features/answer/Stuart-Charlton-1 http://www.quora.com/RabbitMQ-vs-Kafka-which-one-for-durable... [2] https://youtu.be/MA_3fPBFBtg?t=35m27s https://youtu.be/MA_3fPBFBtg?t=35m27s [3] https://cloud.google.com/pubsub https://cloud.google.com/pubsub