[gizzlon]

Unless there are so many items per sec that your persistence can't keep up. Wouldn't this kind of create the same situation: You cant accept all the new items and have to throw some away. Only, now everything is slower. A lot slower.

Ok, the first scenario is caused by the workers being too slow, so it's not exactly the same :)

[justincormack]

Yes, persistent queues have issues, which is why 0MQ exists. But using a non persistent queue to deal with overflow just delays the problem, which was why I asked...