[Zope] ZODB3 question

[Michel Pelletier]

> -----Original Message-----
> From: Jimmie Houchin [mailto:jhouchin@texoma.net]
> Sent: Wednesday, June 16, 1999 11:35 AM
> To: zope@zope.org
> Subject: [Zope] ZODB3 question
> 
> 
> From thread:  RE: [Zope] Large Portal requirements (was: 
> Other web servers?)
> At 03:15 PM 6/14/99 -0400, Michel wrote:
> >In the future, we will be have the client server model of 
> ZODB3 (which
> >will be a commercial product) that lets you have multiple 
> Zope frontend
> >processes (possibly on different machines) accessing 
> multiple database
> >backend processes (possibly on different machines).  Also, ZServer is
> >currently multi-threaded, but there is no theoretical limitation to
> >making it multi-process, in which each Zope instance will 
> have it's own
> >Python and thus it's own global Python lock, thus giving the OS the
> >ability to schedule multiple processes among multiple processors, a
> >little heavier than threads on multi-processor, but *vastly* 
> easier to
> >impliment and far more stable.
> 
> And then...
> 
> From thread: RE: [Zope] How stable is the 2.0 alpha release?
> At 11:12 AM 6/16/99 -0400, Michel wrote:
> >Yes, 2.0 alpha will work fine with an existing Database *if* 
> you run it
> >in ZODB2 mode (no concurrency).  If you run it in ZODB3 mode (the
> >default) your Data.bbb file will not even be used, rather, a 
> different
> >file called Data.fs (fs = File Storage, remember, ZODB3 can 
> use multiple
> >backend stores) will be used.  Data.fs and Data.bbb are two different
> >formats, and are incompatable.  Real Soon Now we will have a 
> conversion
> >script to upgrade from Data.bbb format to Data.fs format, 
> but I for one,
> >will promise no date.
> 
> 
> To clarify my understanding.
> 
> Will their be a non client-server version of ZODB3 which 
> offers concurrency
> that will be a part of the non-commercial, open source part of Zope? 
> 

Yep.  Just the client server part will be commercial.

-Michel

> Jimmie Houchin
> 
> 
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