[rabbitmq-discuss] memory usage

Alexis Richardson alexis.richardson at cohesiveft.com
Tue Feb 10 08:12:20 GMT 2009

Got it.  Thanks.

Are you able to replicate the failure on local machines?  I would
understand if you do not have a local harness, but even so, that
strikes me as the next step.  (Unless we all replicate your EC2 set-up
which might be non-trivial)


On Tue, Feb 10, 2009 at 7:59 AM, Valentino Volonghi <dialtone at gmail.com> wrote:
> Hash: SHA1
> On Feb 9, 2009, at 11:27 PM, Alexis Richardson wrote:
>> One question (not very helpful..)
>> Is this in your local system?  I recall you mentioned EC2 and would
>> like to ask whether it is on there.
> Yes, it's on a couple of EC2 c1.medium instances running Ubuntu 8.04.
> When I manage to complete the test I can get pretty good numbers
> of about 4000 users connected at the same time (short requests) with
> about 2500 req/sec handled on those relatively poor machines, but
> the test only runs for about 15 minutes and if I keep the rate for some
> more time I'm pretty sure i can get the system to reliably crash.
> The problem here, before erlang crashing because addressable space
> is finished is erlang crashing for timeouts while kswapd is running :).
> - --
> Valentino Volonghi aka Dialtone
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