[Zope3-dev] Atomic reads w ZEO and ZODB
David Huttleston Jr
dhjr at hddesign.com
Thu Sep 1 15:27:53 EDT 2005
On Wed, Aug 31, 2005 at 09:19:43PM -0400, Gary Poster wrote:
>
> On Aug 31, 2005, at 12:07 PM, David Huttleston Jr wrote:
> ...
> >But, I'm fuzzy on how the zodb prevents inconsistent reads.
> ...
>
> Hi David. A quick answer is that the ZODB implements optimistic
> multi-version concurrency control, similar to the default PostgreSQL
> behavior. This link describes the proposal, which is pretty close to
> the way it turned out, as far as I know.
>
> http://www.zope.org/Wikis/ZODB/MultiVersionConcurrencyControl
Thanks for your time, Gary. This is what I needed to see.
Dave
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