" we were looking to collect some 10k URLs per second / The system is in production for more than five months now and is capable of handling (benchmarked) workload of up to 24k writes/second while consuming less than 500MB RAM. "
" RabbitMQ was not as fast as Redis, so we decided to keep it and work on the second model. For our requirements, we wrote a proof-of-concept Redis to RabbitMQ transport agent called agentredrabbit to leverage Redis as a fast in-memory storage sink and use RabbitMQ as a reliable broker. "