[rabbitmq-discuss] Clustered startup with multiple queues and multiple masters
francesco at rabbitmq.com
Thu Jun 21 14:46:33 BST 2012
Ops, forgot to actually CC them.
On 21/06/12 15:36, Francesco Mazzoli wrote:
> Hi Matt,
> At Tue, 19 Jun 2012 16:33:05 -0700,
> Matt Pietrek wrote:
>> Thanks again for the valuable insight from your reply. I'm down to
>> one issue at this point.
>> Given what you said earlier about it being OK to start the brokers
>> in any order, I wrote a simple "catastrophic stress" test. The good
>> news is that RabbitMQ does what's expected. The bad news: Only most
>> of the time, i.e. about 90%.
> First of all, this is more of an erlang question than a RabbitMQ one -
> not that this changes anything, but you could ask about it in
> erlang-questions as well. RabbitMQ clusters are mnesia clusters, so
> they offer the same guarantees.
> I can't think of a motivation of why this would be happening, but I'm
> no expert with mnesia. I've attached a script that reproduces your
> test, can you verify that that's more or less what you're doing? I'm
> using the puka python client to publish the messages. I've run it 50
> times but I wasn't able to reproduce your problem.
> In the case that my test is indeed accurate I think that the best
> thing is to ask about someone with more mnesia knowledge - I have CCed
> possible candidates :).
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