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7 articles
When a cache entry expires under high traffic, dozens of requests race to rebuild it simultaneously — here's how inflight request deduplication collapses that stampede into a single upstream call.
Stop racing conditions in distributed systems: a practical guide to implementing distributed locks with Redis and PostgreSQL advisory locks in Node.js.
Unbounded Promise.all is a silent OOM killer — here's how to build semaphores, throttled queues, and stream backpressure into your Node.js applications.
Learn how to use Node.js worker threads to handle CPU-intensive tasks without blocking the event loop, with thread pooling and type-safe messaging patterns.
Build a production-ready task queue step by step using Node.js and Redis, covering reliable delivery, retries, dead letter queues, and concurrency control.
A practical breakdown of read uncommitted, read committed, repeatable read, and serializable isolation levels — with real examples of the anomalies each one prevents and the performance trade-offs involved.
A comparison of threading, async/await, and actor-based concurrency models — when each fits, their tradeoffs, and how to avoid common pitfalls.