fstest ext4 ext4: Processor: Intel Core 2 Quad Q9300 @ 2.50GHz (4 Cores), Motherboard: ASUS P5Q-E, Chipset: Intel 4 + ICH10R, Memory: 8192MB, Disk: 1000GB SAMSUNG HD103UJ, Graphics: ATI Radeon HD 4800 1024MB (640/960MHz), Audio: Analog Devices AD1989B, Monitor: DELL D1626HT OS: Ubuntu 10.10, Kernel: 2.6.35-28-generic (x86_64), Desktop: KDE 4.5.95, Display Server: X Server 1.9.2.901 (1.9.3 RC 1), Display Driver: fglrx 8.78.30, OpenGL: 3.3.10237, Compiler: GCC 4.4.5, File-System: ext4, Screen Resolution: 1600x1200 Flexible IO Tester 1.21 Test: Intel IOMeter File Server Access Pattern Seconds (Run Time) < Lower Is Better ext4 . 31.62 |================================================================= Flexible IO Tester 1.21 Test: Example Network Job Seconds (Run Time) < Lower Is Better ext4 . 9.52 |================================================================== FS-Mark 3.3 Test: 1000 Files, 1MB Size Files/s > Higher Is Better ext4 . 20.57 |=================================================================