Documenting my journey through complex systems. I write about performance optimization, low-level engineering, and the occasional frontend deep dive.
Practical techniques for query tuning, indexing strategies, and connection pooling to keep PostgreSQL fast at scale.
From server setup to rooms, scaling, and reconnection logic for production-grade real-time apps.
A practical microservices architecture guide with Dockerization, orchestration, and resilience patterns.
Learn cache-aside, invalidation rules, TTL strategy, and stampede prevention for high-throughput APIs.
Instrument traces, metrics, and logs to debug latency and failures across distributed Node.js services.