Blog

The exactly-once lie, a Stripe-style key store in Postgres, and Kafka’s exactly-once perimeter.

1. 1 The Exactly-Once Lie
2. 2 Building the Key Store
3. 3 Idempotent Consumers and Pipelines

Wall clocks, logical clocks, and the hybrid clocks production databases run on.

1. 1 Wall Clocks and Causality
2. 2 Logical Clocks
3. 3 Hybrid Clocks in Production

Theory, code, and libraries for conflict-free replicated data types.

1. 1 The Foundations
2. 2 The Zoo, Implemented in Go
3. 3 Use Cases, Libraries, and the Limits

A log-shaped tour from foundations to CQRS to production realities.

1. 1 The Log Is the Truth
2. 2 Building It in Kotlin
3. 3 CQRS and Projections
4. 4 Production Realities

Deploying, scaling, and operating Apache Airflow on Kubernetes.

1. 1 Setup, Architecture, and the git-sync Sidecar
2. 2 The Metadata Database and PgBouncer
3. 3 Executors and the Execution Lifecycle
4. 4 XCom on Object Storage, Secrets, and Slack Alerts