On Fri, 2011-05-20 at 12:49 -0400, James Westby wrote: > On Fri, 20 May 2011 17:32:27 +0100, David Gilbert <david.gilb...@linaro.org> > wrote: > > On 20 May 2011 17:12, James Westby <james.wes...@linaro.org> wrote: > > > On Fri, 20 May 2011 16:03:16 +0100, Peter Maydell > > > <peter.mayd...@linaro.org> wrote: > > >> We're only doing this once a month, we should just produce images > > >> for everything rather than trying to second guess which we can get > > >> away with not generating. > > > > > > While that's a nice sentiment, we can't ignore the disk space usage that > > > this implies. > > > > > > If we take as an example 6 supported boards, and 6 images (3x2G, 1x1G, > > > 1x.5G, 1x.1G), that's ~48G per month, so in one year ~0.5T of images. I > > > haven't done the maths to factor in the bandwidth here. > > > > I don't quite understand your maths there; if you look at the Ubuntu ARM > > images > > they are 540MB for netbook and 200MB for headless (compressed). > > So at 6 boards to support that's ~4.2GB/month or ~50GB/year which is a lot > > less scary. > > We decided that we would pregenerate one image size with some free > space that can be directly written to an SD card.
But when compressed the free space doesn't make any difference, does it? I've gzipped a 2GB desktop image last week and it went down to around 500MB IIRC. -- Guilherme Salgado <https://launchpad.net/~salgado>
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