[rabbitmq-discuss] Problems with RabbitMQ not responding on channel request

Matthew Sackman matthew at rabbitmq.com
Wed Aug 18 23:39:35 BST 2010

Hi Cal,

> On Wed, Aug 18, 2010 at 10:44 PM, Cal Leeming [Simplicity Media Ltd] <
> cal.leeming at simplicitymedialtd.co.uk> wrote:
> > This might be a little question but, if RabbitMQ runs out of memory, and I
> > am unable to open a new channel, how would one then consume off the queue,
> > if one isn't able to open a channel to do so? Or is this something which has
> > been solved with the new persister?

The "new persister" is the solution to this problem and has recently
been merged into the default branch (a couple of weeks ago) which is why
you're now seeing that this isn't so much of a problem.

Basically, the "new persister" allows paging of messages so Rabbit
should never run out of memory for very long - it should always (well,
nearly always) be able to free up some memory by writing messages out to

Glad it's now working for you.


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