AptBtrfsSnapshot

Benchmarks

All benchmarks with cold cache (echo 3 > /proc/sys/vm/drop_caches), kvm VM with ubuntu-desktop installed. Data generated with the mini pseudo benchmark lp:~mvo/+junk/mini-dbench

Filesystem

distro

dpkg

eatmydata

real

user

sys

btrfs

natty

1.16

N

1.51

0.62

0.52

btrfs

natty

1.16

Y

1.16

0.51

0.46

btrfs

natty

1.15.8.4ubuntu3

N

1.51

0.56

0.55

btrfs

natty

1.15.8.4ubuntu3

Y

1.22

0.57

0.43

ext4

natty

1.16

N

1.80

0.58

0.78

ext4

natty

1.16

Y

1.57

0.54

0.73

ext4

maverick

1.15.8.4ubuntu3.1

N

1.73

0.54

0.72

ext4

maverick

1.15.8.4ubuntu3.1

Y

1.49

0.52

0.68

While the above data is very good, a actual upgrade (natty->oneiric) still feels slow, this needs a additional benchmark with a full upgrade and some more research.

AptBtrfsSnapshot (last edited 2011-06-22 13:38:44 by mvo)