Using NATS

on YouTube ↗44m

" summary

Form3 replaces SNS/SQS fanout with NATS and JetStream to cut tail latency and run lightweight event streaming in private data centers, processing 1M+ messages/day since March 2020; code snippets are small Go clients using NATS clients, push and pull consumers for rate control, and JetStream gives persistence, at-least-once delivery and deduplication window 2m by default; production setup recommends clustered JetStream (about 3–5 servers) and reports noticeable performance improvement versus 50–500ms SQS delivery, though exact metrics vary by topology.

AI-written summary · about

" chapters (13)

1. 0:00Start
2. 7:25Nas Fundamental Concepts
3. 8:22Messaging Patterns
4. 10:49Request and Reply Pattern
5. 11:43Wild Cards
6. 16:29Start the Nat Server
7. 17:32Subscribers in Action
8. 20:27Jet Stream
9. 26:44Configuration File
10. 31:59Push Consumer
11. 35:25Out-of-the-Box Clustering
12. 39:21Message Duplication
13. 39:55Message Replay

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