Sorry for the 4th post in a row, but I added a script that uses AdvanceCOMP to recompress the .gz files that aren't man pages, and I had to share my findings.
AdvanceCOMP? | ISO size (B) | Install (KiB)
------------------------------------
No | 711,032,832 | 2,474,660
Yes | 707,821,568 | 2,469,568
-------------------------------------------
Savings | 3,211,264 | 5,092
The script is attached.
Due to ext4 extent allocation and the order of the files on the CD,
the reordered CD made by 98make-disc boots faster, but its installed
size is 180 MB bigger, so this new mksquashfs ordering (in
98make-disc) is a tradeoff. This new ordering is not used in the
actual CD building process, though I filed a bug for it [1].
Should I revert to the default ordering done by mksquashfs or start
using ext3 installations to compensate, for testing?
- Louis
[1] https://bugs.launchpad.net/ubuntu/+source/livecd-rootfs/+bug/589629
92gz-optimisation-experimental
Description: Binary data
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