>> 9.08GB + 992.48MB*2 == 11.02GB
>> 10.85GB + 518MB*2 == 11.86GB
>> That's nearly a GB smaller.
> That, too; I missed the "DUP". Not quite as pronounced as in my
> calculations, then, but still a significant enough difference.
great. now were down to 7-8%
just FYI:
ive retested with max_inline=0 but with leafsize=64K this time:
# mkfs.btrfs -l 64K -L root /dev/sda2
...
real 4m45.878s
user 1m44.730s
sys 1m7.226s
thats 2% slower for this one test (no big deal really)
# btrfs filesystem show
Label: 'root' uuid: dd2951da-2529-4320-a952-e692ea5bdbc3
Total devices 1 FS bytes used 11.37GB
devid 1 size 232.63GB used 13.04GB path /dev/sda2
Btrfs v0.20-rc1
# btrfs filesystem df /mnt/point/
Data: total=11.01GB, used=10.89GB
System, DUP: total=8.00MB, used=64.00KB
System: total=4.00MB, used=0.00
Metadata, DUP: total=1.00GB, used=487.94MB
Metadata: total=8.00MB, used=0.00
(1024*10.89 + 2*487.94) / 1024 = 11.84GiB
still around 7-8%
now lets see what everyday use with
max_inline=0 and leafsize=64K
feels like :)
Ahmet
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