Parallelizing Node.js operations with child process

Example of how to Migrate 1M items from MongoDB to Postgres in just a few minutes using Node.js child process

First leave your star in the repo 🌟

Running

You'll need to install Docker and Docker compose to be able to spin up the DBs instances, after that run:

docker-compose up -d
npm ci
npm run seed
npm start

Errors?

In case you got an error of too many processes open, try decreasing the const CLUSTER_SIZE variable