SBD: We Have a Filesystem at Home

The Sprites Block Device (SBD) is a new filesystem developed by the Fly.io team, a cloud infrastructure company. SBD is designed to be a simple and efficient filesystem for storing and managing files on a hard drive or other block device. The filesystem is based on a novel approach that uses a combination of in-memory caching and disk storage to improve performance and reduce latency. The SBD uses a concept called 'sprites' to manage blocks of data, which allows for efficient allocation and deallocation of disk space. The team claims that SBD can achieve up to a 10x improvement in performance compared to traditional filesystems like ext4. The SBD is open-source and available on GitHub, and the Fly.io team plans to support it on their cloud infrastructure platform. The project is still in its early stages, and the team is actively seeking feedback and contributions from the community.