Best practice for variables shared between processes?

[Simon Wistow]

On Wed, Sep 22, 2010 at 07:49:07AM +0100, Leon Brocard said:
> > Use a queue?
> 
> ... instead of writing yet more software. A couple are:
> 
> > ApacheMQ | RabbitMQ | Beanstalkd
> 
> And probably also Redis. I've used all of them and would probably
> recommend Redis for something lightweight and RabbitMQ for something
> heavyweight with clustering.

Redis doesn't have queues (i.e deliver to only one subscriber), it only 
has topics (deliver to all subscribers).

I wrote a patch which allows queues but it's never been pulled back into 
master

http://github.com/simonwistow/redis/tree/pubsub_queues