2010-06-28 16:57 keltezéssel, Greg KH írta:
On Mon, Jun 28, 2010 at 11:40:23AM +0200, Rastislav
Phoronix has run distribution comparison . I´m just wondering why disk
transaction performance has Ubuntu 10.04 faster than openSUSE 11.3 RC1, when
both distros uses an ext4 file system. Does openSUSE have enabled any
barriers again, as was in openSUSE 11.1?
As was reported on opensuse-factory, the Phoronix benchmarks are almost
anything but a reliable indication of anything. The slowdown was the
change of the default for data integrity assurance. You can get the
speed back by changing the default mount options for your filesystem if
you don't care that much about your data (like me, I take speed over
data due to my workloads).
Could you please detail, which mount options to change to achieve better
speed? And also, what could be the "side effects"? :)
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