[Zope] Multiple Zope servers?

Nemeth Miklos nemeth@iqsoft.hu
Wed, 15 Dec 1999 23:50:56 +0100


> >Yes, you can do this with the ZEO add-on ($$) from DC. It pulls ZODB out
> >into a separate process, potentially running on a separate machine, which
> >handles all object storage for one or more Zope instances. In this way,
> >you can scale Zope exactly as you desire.
> >
> >--Jeff
>
> Wow, the ($$) part makes me think twice. I'd like to
> explore a bit more... it's a scary thought to set up
> a website only to find that it gets choked even with
> moderate hit rate. Does anyone know any simpler tricks
> to improve performance for the interim period, so to
> make things more or less scalable when going from
> one processor to two or three? Of course, when the
> website is served by 5 processors, probably ZEO
> would make sense.
>
> Any comments would be appreciated.
>
> regards,
>
> Hung Jung
>
> PS- perhaps the thing to do is to separate web
> presentation data (like DTML, etc.) from the
> enterprise data (user info, product catalogs, etc.),
> and use ZODB only for the presentation data,
> while using an external database for the enterprise
> data. This way, I could run several copies of Zope,
> all accessing the same database server. That is,
> essentially make the ZODB read-only. And ZODB is
> changed only when changing the whole website's
> presentation. I think can live with that. :)
>
> Sorry for thinking aloud... :)
>
Your thinking is perfect!
With this solution your site may be even a bit faster by reducing the
number of communication-indirections by one.

NM

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