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From JNeuhoff <neuh...@mhccorp.com>
Subject RE: mod_jk replacement?
Date Fri, 02 Feb 2007 14:32:49 GMT

The same here. Most of the static content (such as *.png) is being served by
the Apache frontend, and only requests for to our web service are configured
with the ProxPass directives. I had to use the ProxyPassReverse, too:

ProxyPreserveHost On
ProxyPass /ohpr/ http://localhost:8080/ohpr/
 /ohpr/ http://localhost:8080/ohpr/


It is slightly slower than mod_jk, but doesn't develop the un-recoverable
TCP Connections Aborted conditions so easily on Windows 2003 as mod_jk does,
hence it can cope better with heavier web traffic. Even so, will still
managed to get the web service unresponsive after subjecting it to a 10
minutes stresstest, and Rainer Jung suggested to apply a Microsoft hotfix
(http://support.microsoft.com/kb/925513) to reduce the chances of
un-recoverable aborted TCP Connection errors. I am still waiting for our
Sysadmins to get this from Microsoft, unfortunately it is not yet freely
downloadable, but it will be part of the upcoming Windows 2003 SP2.

Juergen Neuhoff


David Rodríguez Fernández wrote:
> 
> You can do an configuration too easy with all versions of mod_proxy, but
> an
> exaustive analisys of the application and an advanced configuration in
> apache can speed up the service. With the example I mentioned in an
> previous
> post I'm serving all static content with apache and only pass to tomcat
> the
> dinamic content. In my application aprox the 90% of requests are .jpg
> .gif.
> .css .js .pdf ... If apache serves this kind of content, I'm reducind the
> tomcat's load in 90%.
> 
> -----Mensaje original-----
> De: JNeuhoff [mailto:neuhoff@mhccorp.com] 
> Enviado el: jueves, 25 de enero de 2007 14:38
> Para: users@tomcat.apache.org
> Asunto: RE: mod_jk replacement?
> 
> 
> I just tried it with the mod_proxy and mod_proxy_http modules which are
> indeed available for Apache 2.0.59, and it works fine connecting to
> backend
> Tomcat web service using the http protocol and port 8080. 
> 
> I only needed one line in Apache's configuration:
> 
> ProxyPass /ohpr/ http://localhost:8080/ohpr/
> 
> (where ohpr is the web service context). Much easier to configure!
> 
> I'll run some stresstests with this setup tomorrow, as I did with the
> mod_jk
> in recent days, to see how mod_proxy will cope with higher web traffic
> load.
> 
> J.Neuhoff
> 
> 
> 
> David Rodríguez Fernández wrote:
>> 
>> You can use the mod_proxy, with the 8080 port and http protocol. This 
>> is implemented in apache 2.0.x (and 1.3.x). The sintax is similar as i 
>> mencioned in the previous message.
>> 
>> -----Mensaje original-----
>> De: Hassan Schroeder [mailto:hassan.schroeder@gmail.com]
>> Enviado el: lunes, 22 de enero de 2007 16:55
>> Para: Tomcat Users List
>> Asunto: Re: mod_jk replacement?
>> 
>> On 1/22/07, David Rodríguez Fernández <d-rodriguez@chronoexpres.com>
>> wrote:
>>> Recently i'm using mod_proxy_ajp, as mod_jk replacement with apache.
>> 
>> The OP asked about Apache httpd 2.0.x, for which mod_proxy_ajp is not 
>> available (introduced in 2.2.x).
>> 
>> And yes, I've used it successfully in production on Linux boxes, but I 
>> have no experience with it on Windows.
>> 
>> --
>> Hassan Schroeder ------------------------ hassan.schroeder@gmail.com
>> 
>> 
>> 
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> 
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> 
> 
> ----------------------------------------------------------------------
> 
> La Información incluida en el presente correo electrónico es SECRETO
> PROFESIONAL Y CONFIDENCIAL, siendo para el uso exclusivo del
> destinatario arriba mencionado. Si usted lee este mensaje y no es el
> destinatario señalado, el empleado o el agente responsable de entregar
> el mensaje al destinatario, o ha recibido esta comunicación por error,
> le informamos que esta totalmente prohibida cualquier divulgación,
> distribución o reproducción de esta comunicación, y le rogamos que nos
> lo notifique inmediatamente y nos devuelva el mensaje original a la
> dirección arriba mencionada.
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> Gracias.
> 
> The information contained in this e-mail is LEGALLY PRIVILEDGED AND
> CONFIDENTIAL and is intended only for the use of the addressee named
> above. If the reader of this message is not the intended recipient or
> the employee or agent responsible for delivering the message to the
> intended recipient, or you have received this communication in error,
> please be aware that any dissemination, distribution or duplication of
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> Thank you.
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