Re: LiveUSB and PackageKit Updates

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On Tue, 2008-10-14 at 09:29 -0400, Jeff Weiss wrote:
> Michael Solberg wrote:
> > On Tue, 2008-10-14 at 09:13 -0400, Jeff Weiss wrote:
> >> Er, on second thought there's really not much sense in eating up swap
> >> space.  Maybe we should just turn off the cache (keepcache=0) ?
> > 
> > This is definitely the best solution.
> > 
> >> I suspect that means it'll always have to download headers, but
> >> bandwidth is more plentiful than memory on the XO :)
> > 
> > It's true - I do wonder though, is it really feasible to try to do
> > updates on an XO?  Six months from now running updates will eat at least
> > 512MB, either blowing out the overlay or the RAM.  This will require the
> > user to re-burn the card.  Maybe we need a different way to do updates.
> > 
> > Michael.
> > 
> > 
> 
> This is why I was really surprised when I heard we were shipping Live
> images.  I would think an installed image with say, 1.7gb of filesystems
> and 256mb swap would have been the way to go.

I'll try this while I'm testing tonight.  I've noticed that the loop
filesystems eat a ton of CPU cycles when the system goes into swap.

Does anyone have concrete data on the maximum number of writes on an SD
card?

Michael.


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