
Filesystems have really intrigued me; journaling filesystems in particular. Some time ago the industry criticized Linux because it lacked one, the community responded with an overkill of 4 filesystems: Ext3,
ReiserFS,
XFS and
JFS. When searching the Internet for information about these filesystems, you will find websites explaining how wonderful each of these is. There are also many Bonnie++ benchmarks to be found. Yet these are all theoretical, and their aim is to judge overall performance. Concrete benchmarks are yet to be found...