[Zope-DB] RFC: mxODBCZopeDA & ZEO

Charlie Clark charlie at egenix.com
Wed May 26 13:29:55 EDT 2004

On 2004-05-25 at 19:01:01 [+0200], Dieter Maurer <dieter at handshake.de> 
> Charlie Clark wrote at 2004-5-24 19:48 +0200:
> > ...
> >Well, the following struck while we were testing and installing:
> >1) each Zope Product has to be installed and possibly configured locally
> We let all hosts be servered via NFS (from the same source).

Yes, that makes sense. More difficult for products like mxODBCZopeDA to 
check licence use but heyho!

> >2) each DB has to be configured to accept connections from the various 
> >clients
> We trust the remaining hosts at least as much as the Web gateway.
> The complete subnet has the same database access.

Yes, I imagine this would generally be the case.
> >3) heterogeneous clients may in some circumstances confuse each other
> >configuration
> ???
> Avoid heterogenous clients?

In general, yes. In practice, in testing this wasn't possible and maybe not 
a bad thing to have done this: threw up a problem with possible iODBC and 
UnixODBC conflicts.

We still think that in such an environment it might still make sense to 
have a single connection object communicate with the database and are open 
for discussion on this and a possible ZSQL replacement together with other 
issues at EuroPython in two weeks.

Charlie Clark

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