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Re: Status of wc-propcaching branch

From: Peter N. Lundblad <peter_at_famlundblad.se>
Date: 2005-11-28 22:45:41 CET

On Mon, 28 Nov 2005, Greg Hudson wrote:

> On Mon, 2005-11-28 at 17:36 +0000, Malcolm Rowe wrote:
> > If we need to cache more properties, bump the format, and re-populate
> > the cache from the properties - like we do when maybe-upgrading to the
> > wc-propcaching format in the first place.
>
> If we can design to avoid bumping the wc format, I think we should.
> Compatibility code is irritating to maintain (code to upgrade the wc
> format as well as code to handle the old format for read-only
> operations), and there's also some end-user pain associated with
> upgrades which involve wc format bumps.
>
The real problem as I see it is that the WC is not backwards compatible
after a bump. If a user uses several clients, we force her to upgrade all
clients at once, which may not always be possible.

Thanks,
//Peter

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Received on Mon Nov 28 23:27:12 2005

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