Explore the evolution, applications, and limitations of s3fs, a popular FUSE file system for object storage, in this 16-minute conference talk from linux.conf.au 2021. Delve into the leaky abstractions and performance challenges of S3 file systems, compare s3fs with NFS, and learn when it's an appropriate solution for your storage needs. Gain insights into the development of s3fs over the past decade, understanding its compatibility, drawbacks, and performance characteristics. Examine topics such as open data consistency, S3 implementation consistency, and common pitfalls to avoid when using s3fs. Discover alternatives to s3fs and come away with a comprehensive understanding of this important tool in the Linux ecosystem.