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The NodeSource Blog

All Posts

Event Loop

inside-nodejs-event-loop-production-blocking

Inside the Node.js Event Loop: What Actually Blocks Your Production System

In Node.js  on Feb 24 2026

A deep technical breakdown of the Node.js Event Loop, libuv, thread pool behavior, and the real causes of production latency and blocking.

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is-nodejs-single-threaded-or-not

Is Node.js Single-Threaded… or Not?

In Node.js  on Feb 12 2026

Is Node.js single-threaded? Learn how V8, libuv, the event loop, and the thread pool work together inside the Node.js runtime.

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Top-10-NSolid-Features

Top 10 N|Solid —APM for Node— features you needed to use

In Product  on Oct 05 2022

We are confident we're the best APM solution for Node. js-based applications; if you are using Node, you should be using our runtime.

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NSolid-SaaS-is-now-free

N|Solid SaaS is now FREE!✨

In Product  on Mar 16 2022

we decided to make our entry-level tier FREE so that more developers can try N|Solid and see for themselves why it’s the best APM for Node.js

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event-loop-utilization-nodejs

Introduction to Event Loop Utilization in Node.js

In Node.js  on Dec 04 2020

Event Loop in Node.js. The simplest definition of event loop utilization is the ratio of time the event loop is not idling in the event provider

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Featured Articles

  • February in Node.js: Release Discipline, Security Signal, and Runtime Progression

    In Node.js  on Feb 26 2026

  • Inside the Node.js Event Loop: What Actually Blocks Your Production System

    In Node.js  on Feb 24 2026

  • From CPU Profile to Optimized Code in Minutes: How N|Sentinel Turns Node.js Telemetry into Action

    In NodeSource  on Feb 18 2026

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