[Zope-dev] Load balancing over FastCGI

[Andy Sydelko]

Has anyone actually used multiple FastCgiExternalServer
directives within apache, each pointing to a separate ZEO 
client, to load balance?

We had this set up and doing round-robin between 2 ZEO
clients, but there are _big_ problems with it. For a page with
lots of images, we are getting images/objects returned from
seemingly random places. Apparently the request coming in 
from one browser doesn't necessarily go back out to that browser.

If someone wants proof of this, we are able to fairly reliably 
reproduce the problem.

I've sent mail to the fastcgi-developers list, but not yet gotten 
a response.

--andy.

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Re: [Zope-dev] Load balancing over FastCGI

[anthony baxter]

(apologies for formatting oddness - at conference, so don't have access
to normal mailer. _hopefully_ this will be in plain text...)

Andy Sydelko wrote:

Has anyone actually used multiple FastCgiExternalServer
directives within apache, each pointing to a separate ZEO 
client, to load balance?

We do this by pointing the apache fastcgi at a loadbalancer, and
loadbalancing the fastcgi ports that way. I tried to do it with
apache and gave up. It's just too awful.

Anthony



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