[rabbitmq-discuss] If 2 nodes out a 3 node cluster, the third one becomes unresponsive until one of the nodes is brought back.
Simon MacMullen
simon at rabbitmq.com
Fri Aug 9 14:48:26 BST 2013
When you say the remaining node crashes, what do you mean? What error
message do you see?
Cheers, Simon
On 07/08/2013 3:35PM, Yamil Einar Asusta Santos wrote:
> I understand that. But I have been testing this in two different env. In
> my personal env, they remaining node crashes. Versus in the other
> environment, the cluster runs on 1 node. Same configurations, both
> paused_minority.
>
> From your explanation I won't be using pause_minority but I think you
> should know about the second case I have here.
>
>
> On Wed, Aug 7, 2013 at 5:53 AM, Simon MacMullen <simon at rabbitmq.com
> <mailto:simon at rabbitmq.com>> wrote:
>
> On 06/08/13 16:47, Yamil Einar Asusta Santos wrote:
>
> I have been testing my cluster and I have come across an unexpected
> behavior. As explained in the subject, the cluster runs well on 3
> nodes. If I bring 1 node down, it still runs smoothly. But if I
> bring
> a second node down, the third one becomes unresponsive. This is what
> the third node provides after running "rabbitmqctl report":
>
>
> You have pause_minority mode enabled. From
> http://www.rabbitmq.com/__partitions.html#automatic-__handling
> <http://www.rabbitmq.com/partitions.html#automatic-handling>:
>
> In pause-minority mode RabbitMQ will automatically pause cluster
> nodes which determine themselves to be in a minority after seeing
> other nodes go down.
>
>
> So when you stop two nodes, the third determines itself to be in a
> minority, and pauses, becoming unresponsive.
>
> If this behaviour is not what you want, then you don't want
> pause_minority mode.
>
> Cheers, Simon
>
> --
> Simon MacMullen
> RabbitMQ, Pivotal
>
>
>
>
> --
> Yamil Asusta
>
--
Simon MacMullen
RabbitMQ, Pivotal
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