Using the testing method from #17 for the package oxygen-icon-theme
(5890 mostly small files), tested on a 5400 RPM laptop harddisk
formatted with ext4.
dpkg 1.15.5.6ubuntu4:
unpack: 37s
real: 53s
dpkg 1.15.5.6ubuntu5~ppa1:
unpack: 5s
real: 22s
Also tested on a RAID 0 array consisting of two 7200 RPM desktop drives,
formatted with XFS:
dpkg 1.15.5.6ubuntu4:
unpack: 56s
real: 53s
dpkg 1.15.5.6ubuntu5~ppa1:
unpack: 13s
real: 21s
So quite a noticable difference in both cases :-)
--
[regression] dpkg fsync cause massive regression in Ubuntu Server and Alternate
installation times
https://bugs.launchpad.net/bugs/570805
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