[rabbitmq-discuss] Bound Queues

Wed Apr 14 12:22:32 BST 2010

On Wed, Apr 14, 2010 at 6:00 AM, Matthias Radestock
<matthias at rabbitmq.com> wrote:
> Garrett,
>
> Garrett Smith wrote:
>>
>> At the end of the day though, when messages pile up in a queue (just
>> takes one), you'll run out of memory at some point.
>
> You won't run out of memory with the new persister, which has been a top
> development priority for some time. Sorry it's taking so long to get that
> into an official release.
>
> But even with memory consumption no longer being an issue it may still be
> desirable to drop messages at some point. Hence ...
>
>> Without support for ttl/expires, Rabbit is particularly susceptible to
>> this "problem". I realize this it's by design
>
> ttl/expires are on the todo list. They are not missing "by design".

Awesome!

>> from my point of view, this is a topic (general problem) that should
>> get a bump in road map priority.
>
> Ack. FWIW, you could implement a crude ttl/expires logic purely as an AMQP
> client that periodically fetches all messages from a queue and acks all
> those that have expired. Obviously that is far less efficient than what
> could be done inside the broker. Plus it affects message order. But it's
> probably good enough for a whole bunch of use cases.

And another moving part for the app, but still... good idea.

Garrett