They've actually moved from a read-only to an ephemeral file system with Cedar. You can write to your hearts content, but can't really rely on the files being t

They've actually moved from a read-only to an ephemeral file system with Cedar. You can write to your hearts content, but can't really rely on the files being there. In most cases where you'd want to write files, you really should be using something like S3 anyway.