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From Igor Cicimov <icici...@gmail.com>
Subject RE: [users@httpd] Apache + Tomcat Load Balancing
Date Mon, 12 Mar 2012 09:13:16 GMT
Also read about mod_proxy_ajp
 On Mar 12, 2012 8:11 PM, "Igor Cicimov" <icicimov@gmail.com> wrote:

> You can at least tell us what OS are these servers running on? Also you
> said when you put second apache something is not working so we would like
> to see your apache config if you dont mind. Another thing not clear to me
> is tomcat session replication. Are the tomcats clustered? If not how do
> they replicate the sessions between each other?
> In meantime check mod_proxy_balancer documentation as possible solution.
> You can find lots of examples with sticky sessions configuration fot this
> module for tomcat backends.
>  On Mar 12, 2012 6:19 PM, "Kashif Rahman" <kashif.rahman@vopium.com>
> wrote:
>
>> Thanks Anam, but we are looking at to use mod proxy for Apache/Tomcat
>> Communication and session persistence. Can it be done using our requirement?
>> ****
>>
>> ** **
>>
>> Thank you,****
>>
>> ** **
>>
>> Regards,****
>>
>> Kashif Rahman.****
>>
>> ** **
>>
>> *From:* Anam Ali Khan [mailto:anamalikhan@yahoo.com]
>> *Sent:* Friday, March 09, 2012 7:44 PM
>> *To:* users@httpd.apache.org
>> *Cc:* Kashif Rahman
>> *Subject:* Re: [users@httpd] Apache + Tomcat Load Balancing****
>>
>> ** **
>>
>> Hi,****
>>
>> ** **
>>
>> I would recommend *HAProxy* as a load balancer in your PHP + JSP
>> application environment. It will work as follows:****
>>
>> ** **
>>
>> 1. First HAProxy will accept client request.****
>>
>> 2. It will forward those requests to two machines via round robin ****
>>
>> 3. Each WebServer must use *mod_jk* as a connector (module) for
>> Apache/Tomcat communication and session persistence.****
>>
>> 4. HAproxy also perform health checking for two servers.****
>>
>> ** **
>>
>> -Anam****
>>
>> ** **
>> ------------------------------
>>
>> *From:* Kashif Rahman <kashif.rahman@vopium.com>
>> *To:* users@httpd.apache.org
>> *Sent:* Friday, 9 March 2012, 11:36
>> *Subject:* [users@httpd] Apache + Tomcat Load Balancing****
>>
>> ** **
>>
>> Hi,****
>>
>>  ****
>>
>> We have requirement for to load balance our PHP + JSP application. I need
>> to know that how can I load balance 2 Apache web Servers and 2 Tomcat
>> Servers, 1st Web Server + Tomcat on 1st machine and 2nd Web Server +
>> Tomcat on 2nd machine. We want to use Proxy Load Balancer for Apache to
>> tomcat communication.****
>>
>> If we use single Apache Web Server and 2 tomcat instances on different
>> machines, it seems to be working and sharing session fine, but when we add 2
>> nd apache web server to have fail over for PHP too, tomcat stops
>> replicating session? If anyone is running such type of setup then kindly do
>> let me know what could be the issues or anything missing. I am using Apache
>> WebServer as a load balancer for both Apache too.****
>>
>>  ****
>>
>>
>> Apache Webserver****
>>
>>
>> |****
>>
>>
>> |****
>>
>>
>> _____ |______****
>>
>>
>> |                              |****
>>
>>
>> Apache Webserver   Apache Webserver****
>>
>>
>> |                              |****
>>
>>
>>        Tomcat                   Tomcat        ****
>>
>>  ****
>>
>> What could be the recommended solution for this requirement?****
>>
>>  ****
>>
>> Thank you,****
>>
>>  ****
>>
>> Best Regards,****
>>
>> ** **
>>
>> Kashif Rahman****
>>
>> ** **
>>
>

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