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From André Warnier ...@ice-sa.com>
Subject Re: modjk apache response questions
Date Mon, 02 May 2011 16:40:28 GMT
Christopher Schultz wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> harsimran,
> 
> On 5/1/2011 1:09 PM, Harsimranjit singh Kler wrote:
>> Server MPM: Worker
>> threaded: yes (fixed thread count)
>> forked: yes (variable process count)
> 
>> ServerLimit 30
>> StartServers 20
>> MaxClients 1500
>> MinSpareThreads 40
>> MaxSpareThreads 100
>> ThreadsPerChild 50
>> MaxRequestsPerChild 0
> 
> So you have a maximum of 50 * 30 = 1500 incoming connections for Apache
> httpd.
> 
>> #For tomcat 1
>> worker.list=worker1
>> #worker.worker1.domain=worker1
>> worker.worker1.type=ajp13
>> worker.worker1.host=
> 
> Hmm. What does host="" get you? I hope localhost, by default.
> 
>> worker.worker1.port=8009
>> worker.worker1.lbfactor=1
> 
> Default connection_pool_size is "do whatever makes sense" which should
> be "1": that will give you 1500 connections to your backend.
> 
>> server.xml(tomcats)
>> Connector port=”8009″
>> enableLookups=”false” redirectPort=”8443″
>> maxThreads=”500″ minSpareThreads=”25″
>> maxSpareThreads=”75″ protocol=”AJP/1.3
> 
> You have configured httpd to make 1500 connections to Tomcat, but Tomcat
> can only accept 500 connections. You will have lots of
> connection-thrashing on the httpd side.
> 
> You want to make sure that the number of mod_jk connections you expect
> to make from the httpd side is the same as the number of connections you
> can handle on the Tomcat side.

He has 3 tomcats though.
Or did I misread that ?

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