Data Consistency & Transactions
Patterns for maintaining data consistency in distributed systems including database transactions, eventual consistency, the outbox pattern, idempotency, and conflict resolution.
Patterns for maintaining data consistency in distributed systems including database transactions, eventual consistency, the outbox pattern, idempotency, and conflict resolution.
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 complete guide to the Saga Pattern — from real-world analogies for beginners to choreography vs orchestration internals, compensating transactions, idempotency, state machine design, and failure recovery for senior engineers.