Alejandro Oviedo García
Alejandro is a developer who loves learning new things. He is passionate about education, electronics, Open Source, and community-driven events.
Can you tell if your Node app is healthy?
a0viedo
bit.ly/node-health
developer
GDE for the Web
co-organizer of NodeConf Argentina
what's the event loop?
what's the event loop?
what does the event loop allows you to do?
what about event emitters?
const EventEmitter = require('events');
const myEmitter = new EventEmitter();
myEmitter.on('event', () => {
console.log('an event occurred!');
});
myEmitter.emit('event');
but how an event loop looks like?
why a blocked event loop is bad?
Enter Open Source monitoring
event loop lag
nodejs-dashboard
blocked + ________ + grafana
InfluxDB
demo time
mind the cost of measuring performance
delays based on load
fastify
hapi
express/restify
under-pressure
native support
overload-protection
obrigado
bit.ly/node-health
a0viedo
Can you tell if your Node app is healthy?
By Alejandro Oviedo García
