[rabbitmq-discuss] Perfomance Calculations?
mlartz at gmail.com
Thu Oct 11 02:59:34 BST 2012
Is there any way to estimate the rough performance expectations for a given
CPU/RAM combination? We've been running some perf tests with RabbitMQ on
AWS and have been getting some interesting results. We started with micro
instances (~400MB RAM, up to 1.2Ghz in burst), and saw sustained throughput
rates of about 400 messages/second (16 byte messages), with the occasional
spike up to 2K messages/second, which we attributed to AWS's CPU allocation
algorithms. On a personal machine (Mac Mini) we were seeing ~7K
messages/second. In both cases, the management API lists blocked_by as
So, for capacity planning, we'd like to estimate the hardware (or VM size)
that we would need to process a given number of messages/second via a topic
exchange with at least one bound queue. Do any numbers like this exist, or
are we going to have to develop them ourselves?
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