Is POSIX Really Unsuitable for Object Stores? A Data-Backed Answer

TL;DR:

The author of this post questions the perspective presented in a MinIO article, which suggests that POSIX is not a suitable fit for object stores. He conducted comprehensive tests involving MinIO, s3fs-fuse, and JuiceFS. Results indicate that MinIO and JuiceFS deliver excellent performance, while s3fs-fuse lags. In small file overwrite scenarios, JuiceFS FUSE-POSIX outperforms other solutions .

Recently, I came across an article on the MinIO blog titled "Putting a Filesystem on Top of an Object …

article author data minio object stores opensource performance perspective posix questions small tests