[rabbitmq-discuss] RabbitMQ 1.7 and persistence limit?

Thu Oct 15 17:38:10 BST 2009

> I'm not versed to Erlang enough to understand how/when it releases
> memory, it has grabbed. So if there is a sudden burst of messages into
> RabbitMQ, the memory usage will grow but will it be released eventually?

Yup.  In practice, I've seen rabbit grow to over 1.5G, and then shrink
back down to ~200MB as messages are drained.  I don't think I've ever
seen it shrink down to the memory usage of a totally new rabbit
server, but it definitely does free up RAM as it runs.