🌱 System Design (Beginner) · Building Blocks · cozy lesson
Kafka Intro (Beginner) 🔒 premium preview
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11 min · 1 min read · no scary math, promise
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Queue deletes after ack; log keeps (retention days). Use for events: order_created → notify + analytics + warehouse. Beginners: 3 brokers, replication 3, idempotent consumer.
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1. Partition =
2. Consumer group gives…
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