distributed-systems
8 posts
A practical introduction to idempotency for developers building APIs, payment flows, and message consumers. Covers HTTP method semantics, idempotency keys, database upserts, and common pitfalls with working Node.js examples.
A comprehensive guide to implementing caching strategies across multiple tiers, from in-memory application caches to distributed Redis clusters and CDN edge caching. Learn when to use cache-aside vs write-through patterns, how to choose between ElastiCache and MemoryDB, and how to prevent cache stampede in production.
Learn how the Transactional Outbox Pattern solves the dual-write problem in distributed systems, with practical implementations using PostgreSQL, DynamoDB, and CDC tools.
A comprehensive guide to implementing the Saga pattern for managing distributed transactions across microservices with AWS Step Functions and EventBridge, including idempotency, compensation logic, and production-ready patterns.
Master AWS Step Functions for production-ready serverless workflows. Learn Standard vs Express workflows, Distributed Map processing, error handling patterns, callback integration, and cost optimization strategies with working CDK examples.
A comprehensive foundational guide to key-value storage that answers four fundamental questions: What is KV storage? Where is it used? Why choose KV storage? Which tech stacks include which solutions?
A perspective on recognizing distributed monoliths, strategic service consolidation, and the honest reality of moving back to modular monoliths after microservices complexity becomes unsustainable.
Learn multi-account AWS architecture patterns for building resilient event-driven systems. Explore account structure, EventBridge routing, cross-service communication, and operational challenges in distributed systems.