nodejs6 min read
Node.js 22 Features Every Backend Engineer Must Know
Node.js 22 brings native SQLite, stable test runner, WebSocket client, and TypeScript support. Learn the features that matter for production.
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nodejs6 min read
Node.js Built-in Test Runner — Ditch Jest and Vitest for Zero-Dependency Testing
Node.js 18+ includes a native test runner. Learn how node:test replaces Jest and Vitest with zero dependencies, built-in mocking, and sub-second test runs.
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nodejs8 min read
Node.js Cluster Mode — Using All CPU Cores Without Kubernetes
Use all CPU cores with cluster.fork() and PM2. Master sticky sessions, zero-downtime reloads, Redis for shared state, and cluster vs worker_threads tradeoffs.
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nodejs9 min read
The Node.js Event Loop — A Practical Guide to Avoiding Starvation and Jank
Understand the 6 libuv phases, async ordering, microtask queues, and blocking detection. Debug event loop starvation and request latency spikes with --prof profiling.
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nodejs9 min read
Node.js Graceful Shutdown — Draining In-Flight Requests Before Your Pod Dies
Implement bulletproof shutdown. Handle SIGTERM/SIGINT, drain database connections, stop consuming messages, align with K8s termination periods, and test shutdown reliability.
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