[rabbitmq-discuss] RabbitMQ warrens
Joe Van Dyk
joevandyk at gmail.com
Tue Aug 9 23:09:48 BST 2011
On Tue, Aug 9, 2011 at 3:02 PM, Jason J. W. Williams
<jasonjwwilliams at gmail.com> wrote:
> Hi Joe,
>> I don't get how this prevents message loss. If there's messages in
>> the master's queue and it goes down (hard drive explodes), those
>> messages are lost, right?
> I'm the guy who wrote that. It guarantees messages won't be lost from
> the point of view of the software. As is normal whether you're running
> a database, mail server, or anything else, protect your hard drives
> with RAID at the hardware level to keep from a single drive failure
> causing message loss.
Hm, ok. I'm running on EC2 where instances can disappear instantly,
so ideally stuff would be mirrored across multiple instances. Perhaps
the Active/Active HA stuff Alexis mentioned will help this.
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