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-Transparent memory offloading (TMO) is Meta’s data center solution for offering more memory at a fraction of the cost and power of existing technologies -In production since 2021, TMO saves 20 percent to 32 percent of memory per server across millions of servers in our data center fleet We are witnessing massive growth in the [...] Read More... The post Transparent memory offloading: more memory at a fraction of the cost and power appeared first on Engineering at Meta. http://dlvr.it/SSX5qT

What the research is: Federated learning with differential privacy (FL-DP) is one of the latest privacy-enhancing technologies being evaluated at Meta as we constantly work to enhance user privacy and further safeguard users’ data in the products we design, build, and maintain. FL-DP enhances privacy in two important ways: It allows machine learning (ML) models [...] Read More... The post Applying federated learning to protect data on mobile devices appeared first on Engineering at Meta. http://dlvr.it/SSBDht

The promise of cloud gaming is a promise to democratize gaming. Anyone who loves games should be able to enjoy them and share the experience with their friends, no matter where they’re located, and even if they don’t have the latest, most expensive gaming hardware. Facebook launched its cloud gaming platform in 2020 to give [...] Read More... The post Under the hood: Meta’s cloud gaming infrastructure appeared first on Engineering at Meta. http://dlvr.it/SRvvyd

Within large-scale services, durable storage, distributed leases, and coordination primitives such as distributed locks, semaphores, and events should be strongly consistent. At Meta, we have historically used Apache ZooKeeper as a centralized service for these primitives. However, as Meta’s workload has scaled, we’ve found ourselves pushing the limits of ZooKeeper’s capabilities. Modifying and tuning ZooKeeper [...] Read More... The post Introducing Zelos: A ZooKeeper API leveraging Delos appeared first on Engineering at Meta. http://dlvr.it/SRrb2j

Caches help reduce latency, scale read-heavy workloads, and save cost. They are literally everywhere. Caches run on your phone and in your browser. For example, CDNs and DNS are essentially geo-replicated caches. It’s thanks to many caches working behind the scenes that you can read this blog post right now. Phil Karlton famously said, “There [...] Read More... The post Cache made consistent: Meta’s cache invalidation solution appeared first on Engineering at Meta. http://dlvr.it/SRrb12