We’ve previously written about building a more accurate time service at Meta scale – migrating from ntpd to chrony, going from 10 milliseconds to 100 microseconds, and opening time.meta.com to ...

Open Source Meta believes in building community through open source technology. Explore our latest projects in Artificial Intelligence, Data Infrastructure, Development Tools, Front End, Languages, ...

In this post, we explore how Instagram has successfully scaled its algorithm to include over 1000 ML models without sacrificing recommendation quality or reliability. We delve into the intricacies of ...

In the examples above, the first two rows show a precise match of religions in the source and the sink values, thus belonging to the high confidence match-set. The third row depicts a transformed data ...

We’re introducing ZGateway, the proxy we are using to unify traffic through ZippyDB, Meta’s most widely-used key value store. As a bonus, it also enables admission control, load balancing, ...

We’re sharing details about Glean, Meta’s open source system for collecting, deriving, and working with facts about source code. In this blog post we’ll talk about why a system like Glean is important ...

When we first shared details of our data center fabric, we were supporting 1.35 billion people on one app. Since then, we have openly shared our journey of building our own switches, writing FBOSS ...

Purpose limitation, a core data protection principle, is about ensuring data is only processed for explicitly stated purposes. A crucial aspect of purpose limitation is managing data as it flows ...

Have you ever worked is legacy code? Are you curious what it takes to modernize systems at a massive scale? Pascal Hartig is joined on the latest Meta Tech Podcast by Elaine and Buping, two software ...

At Meta, React and React Native are more than just tools; they are integral to our product development and innovation. With over five thousand people at Meta building products and experiences with ...

We are inspired by the possibilities of AI to help people be more creative, productive, and stay closely connected on WhatsApp, so we set out to build a new technology that allows our users around the ...

Managing app size at Facebook is a unique challenge: Every day, developers check in large volumes of code, and each line of code translates into additional bits in the apps that people ultimately ...