The Desi Architect
Notes / Messaging and Correctness / Kafka, Explained With Sliders
Track 4 · Messaging and Correctness

Kafka, Explained With Sliders

How partitions, consumer groups, offsets and replication really behave under load. Sized for salary-day UPI traffic with zero magic numbers.

Guide22 min read2 interactive
On this page
  1. The 2 AM salary day page
  2. The core mental model: an append-only log
  3. Partitions and consumer groups
  4. Sizing your topic for production
  5. Offsets, commits, and crash recovery
  6. Replication and broker failover
  7. Technology comparison: when not to use Kafka
  8. Common production traps