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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: Simple Question about reading http transmission using mod_jk
Date Fri, 07 Jan 2011 15:22:36 GMT
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Chuck,

On 1/6/2011 6:01 PM, Caldarale, Charles R wrote:
>> From: Mohit Anchlia [mailto:mohitanchlia@gmail.com] 
>> Subject: Simple Question about reading http transmission using mod_jk
> 
>> does it just sends the handle to the stream and then tomcat 
>> reads from it. It's little confusing.
> 
> Think about it: the connection between httpd and Tomcat is a comm
> link; how could httpd give Tomcat a handle when Tomcat may well be
> running on a completely different system?

There's a legitimate questions hidden in this one: does mod_jk work on a
streaming model or a buffering model?

To answer /that/ question, one need only read
http://tomcat.apache.org/connectors-doc/ajp/ajpv13a.html in the section
"overview of the protocol" (hint to the OP).

If the client (mod_jk) and the server (Tomcat) are on the same machine
(localhost), then any respectable TCP/IP stack significantly optimizes
such communication by playing wonderful shared memory tricks that
increase performance significantly.

- -chris
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