? Learn Kafka the right way with KodeKloud: https://kode.wiki/4gKWSWO
Your database is quietly turning into the bottleneck, and event-driven architecture with Kafka is the fix most backends reach for eventually.
At first one database looks fine. Then a fraud service needs the order, billing needs the card, dispatch needs the item, and suddenly one piece of information is spread across too many places for anyone to get work done cleanly. Kafka flips this. A service fires an event once and forgets about it, and every other service that needs the data just subscribes and reads it. That one idea, fire once and forget, is what makes the rest of the architecture fall into place.
? What you'll learn:
1️⃣ The exact moment a shared database stops scaling
2️⃣ Why "fire once and forget" changes how services talk to each other
3️⃣ How one event reaches many services without extra work
4️⃣ What lives inside Kafka: topics, producers, brokers, subscribers
? Learn Kafka the right way with KodeKloud: https://kode.wiki/4gKWSWO
? More system design on this playlist: https://kode.wiki/4fFhm25
⏰ Timestamps:
00:00 - Introduction to event-driven architecture
00:21 - The monolithic setup: front end, backend, database
01:25 - Bottleneck in shopping app example
02:17 - How Apache Kafka solves the problem
04:53 - Fire once and forget
06:21 - Recap and conclusion
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