[Zope-dev] Re: How to make Zope fail nicely under high load?

[Tres Seaver]

Peter Sabaini wrote:
> Tres Seaver wrote:
> 
>> Bjorn Stabell wrote:
>>
>>> If you run Apache as a caching reverse proxy (caching surrogate server)
>>> then images will be served from Apache.  Only the dynamic HTML pages are
>>> served from Zope, so having them fail without regards to sessions is
>>> relatively okay.  Images and other static content are almost guaranteed
>>> to load correctly, and if  they didn't, a straight reload from the
>>> client will not reload cached images.
>>
>>
>>
>> Impatient clients often "force" reloads;  I don't *think* Apache has a 
>> knob which allows a surrogate / acceloerator proxy to ignore the spec 
>> (which is written assuming "forward" proxies), and serve from cache 
>> anyway.
> 
> 
> I think I did find some sort of knob for this
> 
> For Apache 2.0, mod_cache, dir. CacheIgnoreCacheControl could be used 
> for this
> http://httpd.apache.org/docs-2.0/mod/mod_cache.html
> 
> For Apache 1.3 mod_proxy, dir. CacheMaxExpire could do
> http://httpd.apache.org/docs/mod/mod_proxy.html#cachemaxexpire

Cool.  I didn't remember that, and haven't been using Apache for caching 
for some while now.  Thanks for the correction!

Tres..
-- 
===============================================================
Tres Seaver                                tseaver at zope.com
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