04Section
Infrastructure
Streams, queues, delivery and the unglamorous work of staying up.
- 01Infrastructure
Exactly-Once Is a Promise About Your Consumer, Not Your Queue
Kafka's famous "exactly-once" guarantees don’t mean what you think they do. While Kafka can make sure a message is delivered from one Kafka topic to another—without any…
- 02Infrastructure
Reading a Latency Histogram: Why p99 Is the Number That Pages You
When you're monitoring distributed systems, the average is nearly worthless because it masks the behavior that matters most: the latency outliers that lead to actual system…
- 03Infrastructure
CDN Cache Keys: The Small Decisions That Decide Your Hit Rate
Cloud CDN's cache key is not just the URL; default configurations incorporate cookies, headers, and query strings, meaning small variations in requests can create a split…
- 04Infrastructure
Blue-Green, Canary and Feature Flags: Three Ways to Ship, Three Ways to Roll Back
The question at the core of all three rollback strategies is "How soon can you break the change?" Feature flags offer fast rollbacks: flick a switch and nullify the latest…
- 05Infrastructure
A Backup You Have Never Restored Is Not a Backup
A backup that has never been tested, according to NIST, is no backup at all. That's because the real measure of a backup is not just whether it exists, but whether it can…
- 06Infrastructure
The Rise of Live Dealer Tech: Streaming Infrastructure Behind Modern iGaming
Warm light hits the felt. A dealer smiles. A wheel spins. A tiny sensor blinks. In under two seconds, a phone lights up on a train, and a player taps a chip. This…
- 07Infrastructure
Email and Push Deliverability: Keeping Players Engaged Without Spam
You send one more promo. Then two. Then a late-night push. Results look fine for a week. After that, complaints spike, inbox rate drops, push tokens decay, and…
- 08Infrastructure
Real-Time Event-Driven Architectures for Live Odds (Kafka Case Study)
It was derby night. At 20:07, traffic jumped. We hit 1.8 million requests per second. Our p99 moved past 380 ms. Odds on two hot markets went stale for 19 seconds.…