https://www.pistack.xyz/tags/worker-threads/ Recent content in Worker-Threads on Pi Stack Hugo en-us Thu, 20 Aug 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-08-20-nodejs-worker-pools-piscina-workerpool-poolifier-comparison/ Thu, 20 Aug 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-08-20-nodejs-worker-pools-piscina-workerpool-poolifier-comparison/ <p>A single JSON serialization pass over 100,000 records blocks your Node.js event loop for <strong>300–800 milliseconds</strong> — invisible in development, catastrophic at 5,000 requests per second. The standard fix is <code>worker_threads</code>, but raw threads are a footgun: you manage lifecycle, queueing, and backpressure yourself. Three mature pools wrap this for you: <strong>Piscina</strong>, <strong>workerpool</strong>, and <strong>poolifier</strong>. They look similar at a glance and differ sharply in API philosophy, runtime support, and deployment model. Here is what actually changes your choice in 2026.</p>