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Re: [Gnu-arch-users] archive storage format comments on the size

From: Miles Bader
Subject: Re: [Gnu-arch-users] archive storage format comments on the size
Date: Mon, 29 Sep 2003 19:15:55 -0400
User-agent: Mutt/1.3.28i

On Tue, Sep 30, 2003 at 12:50:55AM +0200, Andrea Arcangeli wrote:
> I think the ideal is to have a way to tell "I don't think I need to access
> between base-0 and patch-2000 for a very long time", the tla can
> transparently ungzip all the tar.gz patchsets, and create a superpatchset,
> that is the .tar.gz of the directory base-0 - patch-2000, of the
> uncompressed patchesets. That will be able to crunch the 30M into 2M of
> space, without losing anything, and it'll still work trasparently the few
> times you need to access below patch-2000 to look back.

Note that there's already discussion of a similar feature, `summary deltas'
going on in another thread; the main goal there is to provide a way to reduce
the overhead of applying lots of changesets (without using cachedrevs, which
are often unsuitable for very large trees).

The thread Subject: line is `situations where cached revisions are not so

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 all of life's problems' --Homer J. Simpson

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