lubuntu-qa team mailing list archive

[Nio Wiklund <nio.wiklund@xxxxxxxxx>]

I found this link

http://www.squashfs-lzma.org/

It confirms that xz is available (and probably used already).

Best regards
Nio


On 2013-10-11 11:14, Jörn Schönyan wrote:
> Not 100% sure, but I think LZMA is used. Unfortunately, I can't find the
> scripts that are used to generate the (L)Ubuntu images - I'm looking for
> this for weeks now! :-)
> 
> I think, Julien has done the best possible, so that seems to be a dead end.
> 
> Jörn
> 
> 
> Am 11.10.2013 11:00, schrieb Nio Wiklund:
>> What about that squashfs compression? Is it the most efficient one with
>> respect to size, or is it a compromise giving reasonable speed?
>>
>> For example, if gzip compression is used for squashfs, xz would might
>> reduce the size ~20%. My experience is that xz is much slower
>> compressing, but only slightly slower expanding.
>>
>> I guess this would be a big change, so not an option for 13.10, but
>> maybe for the next version, 14.04 LTS :-)
>>
>> But squashfs might already use xz or some compression method with
>> similar performance. Please tell us if you know about that!
>>
>> Best regards
>> Nio
> 
>