- Extract from job subcriber everything related to queue dicovering
- Job Queue is responsible of queue dicovering and exposes functions to scan user queues.
- Batch creates an interval to consume queues
- Now Batch.start() does:
* Finds existing queues from metadata, adding to queue index the ones that are not indexed yet
* Binds callback to process jobs for every queue found.
* Inits queue consumer interval
* Subscribes to PUB/SUB channel
