> I understand this is mostly due to FS overhead related to a multitude of small files. No. It was the VFS design. They have lots hooks and extension points fo

> I understand this is mostly due to FS overhead related to a multitude of small files. No. It was the VFS design. They have lots hooks and extension points for 3rd party, there is no way to improve without breaking backward compatibility. It was the reason why many antivirus was broken in the first few releases of windows 10.