Hands On Kafka
Kafka, devopsStreamSocial - a global social media analytics and engagement platform designed to handle 50M requests. This system will process user interactions, generate real-time trends, personalized feeds, and analytics across multiple services.
| Platform |  | Pricing | Freemium | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 118 | Founded | a year ago | Last Issue | 24 hours ago |
| Active | |||||
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handsonkafka.substack.comLatest Issues
Kafka Mastery: Building StreamSocial — Java & Spring Boot Edition
Introduction
Event-driven systems are one of the most deceptively difficult problems in backend engineering. Every non-trivial platform eventually needs to move data between services in real time, fan events out to dozens of downstream...
Lesson 47: Handling Old Data — TTL Enforcement in the Matching Engine
The Problem You Don’t Know You Have
The Problem You Don’t Know You Have
Week 6 : Schema Evolution, Serialization & Log Compaction (Days 26–30)
What We Will Build Today
What We Will Build Today
Lesson 46 — The DriverProcess Logic: Upsert into a Composite-Key RocksDB Store
The Naive Approach — And Why It Dies at 10k Drivers/sec
The Naive Approach — And Why It Dies at 10k Drivers/sec
Lesson 45: Prefix Scanning — Fetching Every Driver in a Hexagon in O(K) Time
The Naive Approach (And Why It Dies at 3,000 Events/Sec)
A developer who understands Kafka but not spatial databases will build this:
Key: driverId (String)
Value: DriverLocation { lat, lon, h3Cell, status }
To...
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