Message Ordering in Pub/Sub or Queue
Do you need message ordering? Processing messages in order as they were sent/published to a queue or topic sounds simple but has some implications. What happens when processing a message fails? What happens to all subsequent messages? How is throughput handled when using the competing consumers pattern, which loses the guarantee processing in order. Lastly, is ordering even important?
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0:00 Intro
0:41 Ordering Requirements
2:22 Competing Consumers
6:21 Failures
7:45 Processing Out-of-order
#softwarearchitecture #eventdrivenarchitecture #pubsub
