[rabbitmq-discuss] Memory not flushing?

[Michael Klishin]

On 9 July 2014 at 23:25:12, Jason McIntosh (mcintoshj at gmail.com) wrote:
> > Running 3.3.4, we have a situation (maybe an erlang R14B04 issue?)  
> where rabbit hits the memory alarm and never goes out of it. The  
> queue (with over 100 million messages in it) is showing 0 memory  
> usage, all messages paged to disk, 0 in ram. Disk IO is non existent.  
> Just looking for any ideas/suggestions?

Unless you use the Tokyo Cabinet-based message index implementation [1], there's a fixed
RAM cost per message (something between 15-20 bytes AFAIR). 

1. http://hg.rabbitmq.com/rabbitmq-toke/
--  
MK  

Staff Software Engineer, Pivotal/RabbitMQ