On Fri, Aug 6, 2010 at 11:57 AM, Dave Martin <dave.mar...@linaro.org> wrote:
> On Fri, Aug 6, 2010 at 9:53 AM, Alexander Sack <a...@linaro.org> wrote: > > Hi, > > > > On Fri, Aug 6, 2010 at 3:28 AM, Christian Robottom Reis <k...@linaro.org > > > > wrote: > >> > >> Hi there! > >> > >> I unpacked our minimal release image and ran an xdiskusage on it, > >> mostly to see what we're shipping -- and I was surprised to see that a > >> fourth of the image is actually apt package caches and lists. Can we > >> put into the image generation script something to strip them out before > >> generating the image? > > > > if there are really .deb's shipped in the tarball then this is definitly > > waste and a bug. > > > > However, if its just the lists and pkg cache then I am not so convinced > > unless we say we > > remove apt (and dpkg) from our images (e.g. dont allow easy > install/upgrade > > etc.). > > > > Those files would come back when running apt-get update etc., so the only > > thing we would win is smaller initial download bandwidth, while I think > we > > are really after > > general/lasting disk foodprint savings. > > We could remove these files, but I agree it may be a false > optimisation: the size of the release filesystem is no longer > representative of the steady-state size of the filesystem when it's in > use in this case. > ack. this was my line of thinking .... thanks for confirming. > > Out of interest, does anyone know why dpkg/apt never migrated from the > "massive sequential text file" approach to something more > database-oriented? I've often thought that the current system's > scalability has been under pressure for a long time, and that there is > potential for substantial improvements in footprint and performance - > though the Debian and Ubuntu communities would need to give their > support for such an approach, unless we wanted to switch to a > different packaging system. > > CCed mvo who can probably give some background here. From what I understand it's a long standing wishlist bug with potential to break the world :-P -- - Alexander
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