zlacker

> How is it different from: putting multiple queues on same redis, when one queue is locked up, others queue are affected?

Queues by nature tend to be for tasks that you can tolerate delaying a bit. If your queues can impact your "live"/online processing, that's worse than just impacting other queues.

Also something like redis tends to be a lot simpler and less prone to locking up than the monster that is postgresql.