[Zope-dev] Are Versions Reliable?

[Chris Withers]

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