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Re: giant initrd.img testing

On 08/23/2010 01:04 PM, Chris Lumens wrote:
> Initial testing of the giant initrd is not going so well.  First, it
> appears you have to bump the memory up to 1 GB.  Second, qemu and the
> kernel are both pretty unhappy about such a large initrd.

Which compression format is used where?  Output from lzma often is 15%
smaller than "gzip -9".

> -r--r--r--   1 root     root     99158752 Aug 23 14:05 usr/lib/locale/locale-archive

Several possible cuts:  Take the top 10 locales by smolt listings.  Or,
take the six official languages of the United Nations (English, French,
Spanish, Russian, Chinese(Mandarin), Arabic).  Or, set a limit of 30MB
and take what fits.  Or, take only _your_ favorite locale.

> -r-xr-xr-x   1 root     root      2280024 Jul 20 01:29 usr/lib64/dri/radeong_dri.so
> -r-xr-xr-x   1 root     root      2244696 Jul 20 01:29 usr/lib64/dri/r600_dri.so
> Are these really necessary for a responsive installation experience?
> That's 30 MB right there.

xdriver=vesa nomodeset

> -r--r--r--   1 root     root      8618994 Jul 21 21:03 usr/share/cracklib/pw_dict.pwd
> We only use this 8.6 MB file to check root's password once.  There's got
> to be a smarter and smaller way of doing that.

If required to be self-contained (download not allowed) then you can change
the algorithm to a hashing scheme that identifies "possibly weak" [subject to
both false positives and false negatives], with a warning to check later.


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