[Zope-dev] Are Versions Reliable?

[Chris McDonough]

Chris, can you explain this phenomena a little more (I'll put it in the
docs).

I *think* you mean that during versioned operations that the sessions
written to the RAM database aren't versioned (and they aren't).


----- Original Message -----
From: "Chris Withers" <chrisw@nipltd.com>
To: "Edmund Goppelt" <goppelt@goppelt.net>
Cc: <zope-dev@zope.org>
Sent: Sunday, March 25, 2001 10:41 AM
Subject: Re: [Zope-dev] Are Versions Reliable?


> Edmund Goppelt wrote:
> >
> > On Sun, Mar 25, 2001 at 12:09:10PM +0100, Chris Withers wrote:
> > > 1. When people using your site don't need to write to the ZODB to use
the site
> > > (it sounds like they do in your case)
> >
> > The users themselves do not write, but periodically an External Method
> > receives email via xml and parses it into a bunch of new Zope objects.
> > Would this cause trouble with Versions?
>
> Yes
>
> > > 2. You don't use mounted storages. In particular, Core Session
Tracking and
> > > Version objects seem to have quite a bad time of it when played with
together,
> > > but it's understandable when you think about how CST works.
> >
> > I'm not sure I understand what you mean by mounted storage.  The site
> > makes use of LocalFS--is this the kind of thing you are talking about?
>
> No
>
> > I'm curious how Versions failed for you when using mounted storage,
> > etc.  Were you unable to roll back changes?
>
> Didn't need to
>
> > Were changes you made
> > lost?
>
> Onyl the session data, which is supposed to be temporary anyway.
>
> > Was your database corrupted?
>
> No, only the RAM-based mounted storage used by Core Session Tracking.
> restarting the Zope server solved the problem.
>
> cheers,
>
> Chris
>
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