On Monday 30 June 2008, cpghost wrote: > You need to run ZEO if you want to make use of multiple CPUs in Zope. > Here's a small HOWTO. It's for gentoo, but easily adaptable to > FreeBSD: > > http://gentoo-wiki.com/HOWTO_ZEO/Zope_and_Plone > > Good luck optimizing the Beast! ;-)
This is *so* critically important that I can't overstress it. You *have* to
use ZEO if you're running a busy Zope site.
On our dual P4-Xeon system, I run 8 Zope instances and use Apache to spread
the load across 7 of them (reserving the 8th for admin use) like so:
I
$ cat /usr/local/etc/apache22/zope.txt
zeoclients 9080|10080|11080|12080|13080|14080|15080
$ cat mydomain.conf
[...]
# Load-balance the Zope servers
RewriteMap zope rnd:/usr/local/etc/apache22/zope.txt
RewriteRule ^/(.*) http://web2.daycos.com:
${zope:zeoclients}/VirtualHostBase/http/web2.xrsnet.com:80/XRSnet/VirtualHostRoot/$1
[P]
On each new connection, Apache picks a random port from the list defined in
zope.txt and passes the connection to that Zope process.
--
Kirk Strauser
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