[Zope] Urgent help needed: Zope falls over under moderate loa d

Richard Jones richard@bizarsoftware.com.au
Wed, 21 Nov 2001 13:22:20 +1100


On Wednesday 21 November 2001 13:06, sean.upton@uniontrib.com wrote:
> Squid load balances ZEO clients using a round-robin approach.  Squid does a
> name lookup using DNS or /etc/hosts, and caches those values, so when you
> run Squid as an accelerator, it will round-robin between all IPs it has in
> its IP cache for a given domain name.  Virtual hosting is handled using a
> VHM in Zope, and a redirector in Squid (fills same role as mod_rewrite in
> Apache).  With a redirector, you do not need to specify virtual in the
> httpd_accel_host option, as it is ignored for rewritten URLs...  pyredir is
> a very easy to modify redirector written in Python...  With Squid in front
> of Zope, you can use accelerated HTTP cache managers to explicity tell
> Squid cache info, along with any RAM cache managers you need...

Don't suppose you'd be up to putting this in a HOWTO on zope.org? This, like 
many aspects of high-volume serving, seems to be something that people 
usually have to discover for themselves, the hard way...


    Richard