This reminded me of BetrFS presented at FAST 15. It looks like there's a more up to date presentation online[1] where the delete performance issues have been fi

This reminded me of BetrFS presented at FAST 15. It looks like there's a more up to date presentation online[1] where the delete performance issues have been fixed. [1] https://www.youtube.com/watch?v=fBt5NuNsoII https://www.youtube.com/watch?v=fBt5NuNsoII