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From Ian Stuart <>
Subject Re: [users@httpd] Proxy Server to Web Server Ratio
Date Tue, 05 Jul 2005 07:56:36 GMT
Doesn't the proxy do a write-to-disk as the page passes through?
Particularly with proxy-pass and proxy-passreverse?

This would imply that there is a process load on the server (limiting
the number of simultanious connections - but not an httpd/proxy limit
per-sae) *as well as* a disk-limit (for the I/O)

Having said that, we have a proxy server that farms dynamic web pages
*and* proxies for a couple of dozen remote servers (defined within
multiple vhost sections <grin /> )

Boyle Owen wrote:
>>-----Original Message-----
>>I am new to using Apache as a proxy.  Could someone give me a 
>>rough idea of how many web servers Apache 2 can proxy?  
> As many as there are on the internet.
> Apache simply takes incoming requests from the client and re-issues them to whatever
proxy is defined in the config rules for the given request...
> Reading between the lines, I suspect you are harbouring a misconception about how HTTP
operates. It is not a connection-based protocol - it is connectionless and stateless. So your
question is not like "how many phone calls can a switchboard handle?", it is more like "how
many addresses can the post office deliver to?"
>>I know this is like asking
>>'How long is a piece of string?', but I need a rough starting point.
>>Does anyone know of any stats from testing (mind craft, etc)?


Ian Stuart.
Bibliographics and Multimedia Service Delivery team,
The University of Edinburgh.

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