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Re: FSFS "rev cache" operation [was: obliterate in trunk]

From: Greg Stein <gstein_at_gmail.com>
Date: Tue, 13 Oct 2009 19:49:48 -0400

On Tue, Oct 13, 2009 at 15:15, Daniel Shahaf <d.s_at_daniel.shahaf.name> wrote:
>...
> Unrelated question: Do we keep a history of obliterations?  (I see it
> may be undesired for users, but it might make the implementation
> easier...)

I'd think, "we probably HAVE to keep the history."

Consider that a client could have a working copy that was checked out
at any point in time. It may have the obliterated content in it. We
have to tell the client, "that was obliterated. remove it from your
working copy." Not in the sense of data protection, but simply to keep
all the metadata synchronized. "DIR has 5 children [not 6]."

>...

Cheers,
-g

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Received on 2009-10-14 01:50:04 CEST

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