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Re: Optional text base design discussion?

From: Michael Brouwer <mb.7766_at_gmail.com>
Date: 2006-10-17 00:58:45 CEST

Sure a caching proxy would be a different way to implement this behavior. I
was thinking more along the lines of this being a new wc model directly
though. However I don't think one excludes the other, and that if such a
cache backend was created you could probably use it directly for the new wc
code as well as to implement a caching svn proxy.


On 10/16/06, John Peacock <jpeacock@rowman.com> wrote:
> Michael Brouwer wrote:
> > John, I'm well aware as to what svk does (I'm an svk comitter).
> And I thought your name sounded familiar... ;-)
> > Think of this cache as a subversion repository with obliterate-like
> > functionality. Obviously this idea would need to be fleshed out more,
> > but I do believe this could be implemented in a way that unifies the
> > benefits of both svn and svk, and even let's users check out working
> > copies of large projects without the need for a second local copy of the
> > entire tree at all.
> I think it might be easier to describe this feature as a caching proxy
> service.
> If all repository-to-WC activity occurred through a specially designed
> proxy,
> and the Subversion client library was aware that it was being proxied,
> then you
> could have a tunable cache which would automatically retrieve and cache
> the
> text-base files as you needed them. I don't thing you would want to
> strictly
> limit the cache by size, since a single very large binary file could
> exceed the
> storage (of course you could also mark binary files as uncacheable).
> Checking out files would be a transparent proxy to the original
> repository.
> Executing diff or checking in files would transparently retrieve the
> text-base
> from the server (if needed) and cache it for later use (you could also
> tune the
> proxy to cache the files during checkout in order to have a fully local
> cache,
> say for multiple overlapping WC's).
> Does that seem like a different way to approach your proposal?
> John
> --
> John Peacock
> Director of Information Research and Technology
> Rowman & Littlefield Publishing Group
> 4501 Forbes Blvd
> Suite H
> Lanham, MD 20706
> 301-459-3366 x.5010
> fax 301-429-5747
Received on Tue Oct 17 00:59:02 2006

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