EROFS: An Image-based Filesystem for Containers

Explore the EROFS (Extendable Read-Only File System) and its applications in container technology through this lightning talk. Gain insights into the basic design principles of EROFS, its integration into the Linux kernel, and its widespread adoption across various platforms including Android, embedded devices, and container ecosystems. Learn about recent feature additions tailored for container use cases, such as lazy pulling over fscache, external data blobs, and compressed data deduplication. Discover how EROFS has been incorporated into end-to-end solutions like Composefs, Dragonfly Nydus, and the EROFS containerd snapshotter. Get a glimpse of the future roadmap, including hardware acceleration for compression and decompression, large folios for compressed data, and potential upcoming enhancements.