[Zope] system requirements

Andreas Jung Andreas Jung" <andreas@zope.com
Tue, 28 May 2002 11:02:25 -0400


In addition think about using a loadbalancer between the
cache servers and the ZEO servers and maybe between 
the incoming IP and the cache servers.

-aj

----- Original Message ----- 
From: "Jens Vagelpohl" <jens@zope.com>
To: "Tom Nixon" <tom.nixon@aim23.com>
Cc: <zope@zope.org>
Sent: Tuesday, May 28, 2002 10:52
Subject: Re: [Zope] system requirements


> for real scalability i would suggest the following:
> 
> - plan on having separate boxes from day 1:
> - ZEO server
> - 1-* appservers
> - 1-2 cache servers
> - database server
> 
> sending lots of mail out of zope is not a good idea if you don't have a 
> solution that uncouples the mailing process from zope itself. your users 
> will be waiting forever if you use the standard built-in mail handling.
> 
> caching is very important but it is not possible if your content is 
> super-personalized.
> 
> jens
> 
> 
> On Tuesday, May 28, 2002, at 10:31 , Tom Nixon wrote:
> 
> > Hi
> >
> > I need to quote for a fairly big Zope site and I am trying to work out
> > what sort of spec machine I will need for hosting.
> >
> > The brief is for a minimum of 50 concurrent users, rising to a possible
> > 2000. They will be doing a lot of searching on the site, and there will
> > be quite a lot of e-mails sent out by Zope. The site will also use an
> > SQL database - either mySQL or postgreSQL.
> >
> > My current thinking is:
> >
> >  - Linux: RedHat?
> >  - Zope with ZEO in case it expands beyond one box
> >  - Apache
> >  - Squid?
> >  - 512 MB RAM
> >  - 18 GB SCSI with RAID
> >  - 1.8 GHZ processor
> >
> > Am I along the right lines?
> >
> > Will Zope coexist nicely with the database on the same box or should
> > they be separate from day one?
> >
> > Cheers
> >
> > Tom
> >
> >
> >
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