Full-spectrum guide to distributed consistency models — from Linearizability to Eventual Consistency, Session Guarantees (Read-Your-Writes, Monotonic Reads), causal vs data-centric lenses, consistency anomalies with real production bugs, S3 case study, and per-operation decision matrix. Covers ACID, BASE, CAP, PACELC, and advanced internals.
Master guide to distributed transactions in microservices — Two-Phase Commit (2PC), Saga Pattern (Choreography vs. Orchestration), Transactional Outbox + CDC, and NewSQL architectures.
From first principles to production — key-value, document, wide-column, and graph databases with deep dives into MongoDB and Cassandra for Java/Spring engineers.
A comprehensive guide to the Saga Pattern — from core concepts for beginners to choreography vs orchestration internals, state machine design, idempotency, compensating transactions, temporal coupling, failure taxonomy, and production observability for senior engineers.
