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On 07/03/2007, at 12:58 PM, Sriram Narayanan wrote:

On 3/7/07, Andrew Miehs <[EMAIL PROTECTED]> wrote:
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This will work if you are only using 1 Apache HTTPD server

Are you referring to the following ?

Two httpd servers with mod_jk pointing to the same two tomcat instances.
httpdA and mod_jkA have a reference to TomcatA and TomcatB
httpdB and mod_jkB have a reference to TomcatA and TomcatB

What would be the complications in such a scenario ?

I can think of situation where mod_jkA does not know of mod_jkB's
status and vice-versa.

Yep - this is the case I am referring to.

You have moved the problem of load balancing Tomcat to load balancing
HTTPD.

How do you want to load balance httpd? Don't forget, you will need
something to deal with session persistence.

If the Apache HTTPD and tomcat are running on the same machine, you
will probably find it easier to do a 1-1 mapping httpd - tomcat than
the cross over setup that you are currently envisaging.

Regards

Andrew


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