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From Andy Davidson <a...@nosignal.org>
Subject Re: [users@httpd] Apache 2.2 and proxy_balancer - tcp session pipelining
Date Sun, 13 May 2007 21:46:39 GMT

Hi, Ryan

On 11 May 2007, at 15:46, Ryan Murray wrote:

>> Now, what I want to do this time is configure my reverse  proxy  
>> server to open several connections to each of the back end worker  
>> servers when the proxy starts to my back end hosts so that the tcp  
>> session can be pipelined, thus preventing the burden of creating  
>> and tearing down tcp sessions on the back end boxes for new  
>> visitor requests.
> If you are using the preform MPM you have one server process for  
> each Apache worker.  Therefore each apache worker opens exactly one  
> connection to the back end so max per worker always == 1 and your  
> "real max" connections to the backend <= number of Apache workers.   
> With the Prefork MPM, I don't believe there is way to limit the  
> number of Apache workers which will actually open connections to  
> the backend.

Thanks for your reply.  What I am looking to do is ensure that a  
minimum number of connections are always open to the back end web- 
servers.  This should improve cluster performance at quiet times &  
service restart.



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