Re: ZODB isolation level (was Re: How cache invalidations work)
Jason Madden <[email protected]> Sun, 6 May 2018 14:16:48 -0500
| Newsgroups | gmane.comp.web.zope.zodb |
|---|---|
| Message-ID | <[email protected]> |
> On May 6, 2018, at 13:01, Jim Fulton <[email protected]> wrote: > > >> I don't think ZODB guarantees what SQL would describe as SNAPSHOT isolation. >> > ZODB promises snapshot isolation, modulo conflict resolution, which weakens consistency, and the ability to optionally check that objects read weren't modified, which strengthens it. I apologize. I admit I didn't actually try to verify or test anything I said (which is why I left it vague to start with :) and was going completely off memory. I must be misremembering something or conflating multiple different things. Again, I apologize. Thanks for setting the record straight. Jason -- You received this message because you are subscribed to the Google Groups "zodb" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.