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Re: [PATCH] Add a test in dav-mirror-autocheck.sh to showcase a out-of-date slave related bug

From: Peter Samuelson <peter_at_p12n.org>
Date: Mon, 18 Apr 2011 13:17:16 -0500

[Daniel Shahaf]
> when the slave hasn't synced up yet, I assume (not knowing the proxy
> code) that the editor would be opened against a revision N1, such
> that on master branches/ has been touched in some revision N2 > N1.
> Therefore, as far as master is concerned, the error is proper.
> (consistent with the FS design)

Yes, but why is this only a problem with a write-through proxy?
Shouldn't the same race exist between two clients talking to the _same_
master server? (Not just cp and mkdir, but anything that on the client
side would have been considered a tree conflict.)

I don't know the exact sequence used here - is there a server-side
lock during the commit that prevents these conflicts? If so, the
write-through proxy should really perform the same actions on the
server that cause this lock to perform the same function.

Peter Samuelson | org-tld!p12n!peter | http://p12n.org/
Received on 2011-04-18 20:17:47 CEST

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