Douglas McClendon wrote:
Attached are a couple of rough alpha quality patches.
They implement what I have described rather verbosely on
fedora-livecd-list and in bug 248082.
The short story is the fedora7 livecd installer works by copying a 4G
ext3 image to the destination rootfs, and then resizing to maximal size.
The attached patches improve the speed of this step by 10-30% (for cdrom
vs fast livecd-iso-to-disk'd usbflash install media respectively).
Actually, the improvement in copy speed is significantly more than that, as
those numbers include the time of postinst (but not the time of the extra rootfs
format which I already fixed). The bug has data I have collected, which my
first rudimentary turbolivecd installation test confirmed. In general as people
install from faster media (cdrom/dvd/usbflash) and with faster processors to do
the squashfs decompression, more relative penalty from the extra 2G of disk
writes will be exposed to the user.
-dmc
