On Fri, Nov 13, 2009 at 8:24 AM, Matt Halstead <[email protected]>wrote:
>
> > But it should be possible replace the local persistent utility with
> another
> > implementation that does the loads/dumps dance internaly and saves the
> > data somewhere else.
>
> Can you elaborate on why session storage needed to be reimplemented?
I can help about this. I had a conversation with Carsten and other people at
the sprint in Budapest. My point about issue 209 is that, even if it is now
resolved, it was initially caused by a bad design decision: storing carts in
a non persistent database. This decision makes anonymous customers lose
their carts when Zope (or zeo in a zeo cluster) is restarted; site owners
never want customers to lose their carts. And the storage of carts in the
temporary zodb requires the loads/dumps dance that seems to be very
error-prone and leads to hard-to-trace bugs.
Silvio
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