On 08/16/2010 08:37 AM, Chris Mason wrote:
On Mon, Aug 16, 2010 at 08:29:24AM -0400, Ric Wheeler wrote:
I decided to try btrfs on F13 (2.6.33.6-147.2.4.fc13.x86_64 kernel)
with the following fs_mark command and a 1.5 TB Seagate S-ATA disk:
# fs_mark -s 0 -S 0 -D 1000 -n 1000000 -L 1000 -d /test/ -l btrfs_log.txt
btrfs starts off at a fantastic rate - roughly 3-4 times the speed of ext4:
[ log ]
I will fill this and get some plots, etc to do relative performance
& then wanted to try the current RC kernel just to refresh.
Thanks Ric, I think this is related to the perf problem delalloc
flushing performance bug. I'll nail it down shortly.
-chris
Great, I will be happy to test patches when you have them. No particular hurry
on my end.
I also hope to get our new arrays online and should be able to steal a couple of
days run there with luck,
Ric
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