Comments (1)
AMQP 0-9-1 Model
Messages
- Upgrade Messages protocol
- Add topic support
Exchanges / QueuePool
- Take msg and route it into 0..n queues based on the msg key
- Msg with key routing R goes to Queue(R)
- Implement Drop message /return to the publisher when we can't route
Queues
- Store messages
- Name < 255bytes UTF-8
- Durability : [Durable / Transient]
- Metadata of queue are stored on disk
- Messages of the durable queue are stored on disk
- Should separate queue serving and storage: the Queue Pool should provide us with a path at spawn time
- Durable queues should keep a log and flush it to disk in the background (WAL style)
- Message TTL
- Queue should keep records of poped unacked messages and either : flag them is they are acked or push them back to queue is they fail
- Should keep note of
Consumers
- Support for message acking : [ Early Ack | LATE ack]
- Early acks when the consumer gets the msg from the queue
- Late acks when message succeeds
- Two ways to consume: Push and Pull. For now, only support Pull style.
- Should Run the pulling in a separate asyncio event loop.
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