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Re: [Gnu-arch-users] a brief note on "delta compression"

From: Andrew Suffield
Subject: Re: [Gnu-arch-users] a brief note on "delta compression"
Date: Mon, 3 May 2004 21:31:34 +0100
User-agent: Mutt/

On Mon, May 03, 2004 at 04:27:58PM -0400, James Blackwell wrote:
> The lower we set X, the less point there is in bothering to do CD in the
> first place. The higher we set X, the more useful the extra stored CD,
> but the less likely that we'll actually be able to use it.
> So we have to pick an X that is an estimate of how many revisions people
> are missing at any given time. Too high, and these extra stored
> revisions go unused, because nobody is that far away from the most
> current revision to use the CD. Too low, and we're not gaining the
> full benefit of storing extra CDs. 
> My personal hunch is that the proper X is right around 5. I've got no
> actual proof for that, mind you. 

You've neatly oversimplified the problem :P

The appropriate size for X is the jump which people want to frequently
make. That's probably precisely the distance between each pair of

  .''`.  ** Debian GNU/Linux ** | Andrew Suffield
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