XFaaS is Meta's private platform for "Hyperscale and Low Cost Serverless Functions." It is more efficient than AWS Lambda, Azure Functions, and Google Cloud Functions.

Whenever you’re building a data system, there’s a million things to consider. Gone are the days of just shoving everything into MongoDB and calling it “web scale.” In this newsletter, we’ll be going over the considerations you should be thinking about when building out large scale data systems.