I understand it refers to Global File System. Given our experience with GlusterFS, I imagine Github would have crashed and burned a long time ago if they were

I understand it refers to Global File System. Given our experience with GlusterFS, I imagine Github would have crashed and burned a long time ago if they were using it. Our use-case (checking if a file exist and grabbing images to occasionally resizing them) ran into all sorts of bizarre issues. We had about 1 million small files.