[rabbitmq-discuss] HA policies [was: RabbitMQ 2.6.0 is released]

Sat Sep 3 05:25:09 BST 2011

Jason,

On 01/09/11 19:19, Jason J. W. Williams wrote:
> It should be possible to change the particulars of
> HA/clustering/replication without having to change the clients.
> [...]

and

> To me, the rule of thumb for deciding where to control an
> HA/replication argument should be "will the arguments have to change
> if have a topology change? (e.g. remove, rename, or re-locate a
> node)"

and

> The "all nodes" setting really isn't a solution to that.

Why is that?

I would have thought that 'all' is a sensible option for the majority of
users that want HA. And it does not require argument changes when the 
topology evolves.

That's not to say more fine grained controls aren't desirable.

Matthias.