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)