[rabbitmq-discuss] RabbitMQ QUEUE MESSAGES

Matthias Radestock matthias at rabbitmq.com
Mon Jul 15 09:35:00 BST 2013

On 12/07/13 21:37, NuPogodi wrote:
> That is great that you are treating it as feature to provide more consistent
> queue throughput by optionaly preventing paging. The system will be much
> easier to analyse and plan for a deployment. Having a given message size and
> using limited-length queues it will be possible to utilize RAM resources to
> higher extent with a constant and high message processing rate.

As Emile pointed out, until we introduce paging-free queues, you can get 
queues to utilise more memory by setting the vm_memory_high_watermark to 
values greater than 1.0. The downside is that you could get a memory 
spike that causes the broker to run out of memory. So when running with 
such a setting it may be advisable to configure plenty of swap space 
since then at least the broker will continue to work (albeit with 
severely degraded performance) rather than crash.


More information about the rabbitmq-discuss mailing list