Btrfs at Scale - How Meta Depends on Btrfs for Its Entire Infrastructure

Explore how Meta utilizes Btrfs for its global infrastructure in this 42-minute conference talk. Discover the crucial role Btrfs plays in Meta's container-based services, enabling rapid deployment and scaling across worldwide machines. Learn about the implementation of Btrfs's send/receive feature for deploying base images and packaging services. Understand how Btrfs's snapshotting capability creates instant pristine runtime environments, significantly reducing service startup times. Examine the cost-saving benefits of Btrfs's built-in compression, which extends SSD lifetimes and reduces storage expenses. Investigate the use of asynchronous discard to eliminate latency issues common in SSDs. Gain insights into how Btrfs enhances the efficiency, flexibility, and cost-effectiveness of operating a large-scale container-based fleet. This updated presentation delves into the expanded scale and integration of Btrfs within Meta's infrastructure over the past two years.