Awesome
Can you tell me if your Node app is healthy?
If you can’t measure it, you can’t improve it
Here you will find some great resources to start with monitoring of Node.js applications. For a demo of a custom instrumentation using InfluxDB and Grafana you can check the example directory.
Talks
- What the heck is the event loop anyway? by Patrick
- Everything You Need to Know About Node.js Event Loop by Bert Belder
- Into the Loop by Jake Archivald
- Node's Event Loop From the Inside Out by Sam Roberts
Blog posts
- What you should know to really understand the Node.js Event Loop - Daniel Khan
- The Definitive Guide for Monitoring Node.js Applications - RisingStack's blog
- Node.js Performance Monitoring - Part 3: Debugging the Event Loop - NodeSource's blog
- Don't Block the Event Loop (or the Worker Pool) - nodejs.org's guides
- Overview of Blocking vs Non-Blocking - nodejs.org's guides
- The Node.js Event Loop, Timers, and process.nextTick() - nodejs.org's guides
Packages
- blocked: Check if a node event loop is blocked.
- under-pressure: Measure process load with automatic handling of "Service Unavailable" plugin for Fastify.
- overload-protection: Load detection and shedding capabilities for http, express, restify, and koa
- nodejs-dashboard: Telemetry dashboard for node.js apps from the terminal
- node-clinic: Clinic diagnoses your Node.js performance issues