On Monday 15 March 2010 07:17:53 Vishal Rao wrote: > Follow-up (with lotsa ubuntu sudo love): > > vis...@thunderbird:/media$ sudo mkdir btrfs > vis...@thunderbird:/media$ sudo mkdir ext4 > vis...@thunderbird:/media$ sudo mount /dev/sda7 btrfs > vis...@thunderbird:/media$ sudo mount /dev/sda8 ext4 > > vis...@thunderbird:/media$ sudo hdparm -t /dev/sda7 > > /dev/sda7: > Timing buffered disk reads: 578 MB in 3.00 seconds = 192.59 MB/sec > > vis...@thunderbird:/media$ sudo hdparm -t /dev/sda8 > > /dev/sda8: > Timing buffered disk reads: 598 MB in 3.01 seconds = 198.80 MB/sec > > vis...@thunderbird:/media$ sudo umount btrfs > vis...@thunderbird:/media$ sudo umount ext4 > > vis...@thunderbird:/media$ sudo hdparm -t /dev/sda7 > > /dev/sda7: > Timing buffered disk reads: 584 MB in 3.01 seconds = 194.23 MB/sec > > vis...@thunderbird:/media$ sudo hdparm -t /dev/sda8 > > /dev/sda8: > Timing buffered disk reads: 610 MB in 3.01 seconds = 202.94 MB/sec
How come you are getting more throughput with fs unmounted? I tried the same and I got less throughput, though the decrease is not much substantial. -- Regards Shridhar _______________________________________ Pune GNU/Linux Users Group Mailing List
