Moinak Ghosh wrote:
> On Fri, Aug 8, 2008 at 2:24 AM, Alan Coopersmith
> <[EMAIL PROTECTED]> wrote:
>> Dave Miner wrote:
>>> As we all know, the live CD has grown quite a bit since the 2008.05
>>> release. I've spent some time analyzing how we're using the space and
>>> where the growth between build 86 and build 94 occurred, and worked up
>>> some recommendations.
>>>
>>> The analysis data is now posted at:
>>>
>>> http://www.opensolaris.org/os/project/indiana/cd_space/
>>>
>>> The recommendations are posted at:
>>>
>>> http://www.opensolaris.org/os/project/indiana/cd_recommendations/
>>>
>>> I would especially appreciate feedback from the desktop, X, and l10n
>>> teams on the recommendations. We'll work up an actual plan once we've
>>> discussed a bit.
>> >From the X perspective, dropping the screensaver hacks certainly makes sense
>> - they won't even be active in the default configuration, and are pure eye
>> candy.
>>
>> The fontconfig-docs are mostly developer documentation, so if we're not
>> having
>> a full developer environment on the LiveCD, it doesn't make much sense to
>> have
>> them either. (The only ones I'd think are really useful to the end-user
>> are the fonts.conf and fc-* utility man pages.)
>>
>> For FSWxorg-fonts, all the PCF bitmap fonts are currently shipped as
>> *.gz files - we can also ship uncompressed if the LiveCD compression
>> is better than individually gzip'ed files, or as *.bz2 if minimal size
>> on the CD is most important. (In Solaris, we ship them uncompressed,
>> for best speed at runtime, and because the WOS media compresses the
>> entire cpio archive of the package at once, which gets much better
>> compression on our uncompressed files than gzip of each individual
>> file can get - and for many C locale fonts, the difference between a
>> 16kb uncompressed font and a 12kb gzipped font is not any real disk
>> space - for Asian fonts the difference can be huge though).
>> Unfortunately, the *bz2 support is currently not working in Xorg, but
>> I'm working on fixing that.
>
> The segment by segment compression in Lofi is inferior to stream
> compression
> of whole files. Of course this changes a bit if we are using LZMA.
> However even
> in that case LZMA can further reduce *.gz files. So leaving the
> *.gz PCF files as
> is will be better.
>
Agreed, though using gzip-9 (if you're not already) or getting bz2
working would help some. Note that we've found that the 7z tool does a
better job of gzip compressing than gzip itself, so that might be
checked into.
Also, Moinak, thanks for volunteering to look at the package structure.
One thing I should have said in the original mail is that I'm
targeting having the plan defined by Sept. 1 in order to have time to
implement any changes needed, so getting some indication of the
possibilities here in the next couple of weeks would be helpful.
Dave
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