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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: Documentation on Connectors needs updating
Date Mon, 01 Dec 2014 20:15:00 GMT
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Igal,

On 12/1/14 2:05 PM, Igal @ getRailo.org wrote:
> Chris,
> 
> On 11/28/2014 6:26 AM, Christopher Schultz wrote:
>> 4. Tomcat can server static content just as quickly as httpd.
> 
> I remember that years ago it was recommended to front Tomcat with
> a web server in order to serve static content.  I understand from 
> your statement that this is not the case anymore.

Correct.

> Were there any benchmark tests done for that?  Any published 
> sources that can be cited?

Hmm. I (still!) haven't uploaded my slides from ApacheCon NA 2014
where Jean-Frederic and I presented data that shows a pretty standard
piece of hardware can saturate the network before any proxying
performance advantages can be seen.

There are many reasons to use a reverse proxy (e.g. httpd) out in
front of Tomcat, but performance certainly isn't one of them.

> What about the overhead of session management for requests of 
> static content?  Is there any overhead there as opposed to using
> an http server?

Sessions aren't really consulted unless your own code consults such
sessions. Tomcat will need to check permissions if you have any
enforced, but if you don't need permissions to be applied to static
content, then you should change your setup to, well, not require such
permissions and then there will again be no problem.

So, my guess is that session management does not represent any change
in performance. YMMV, you should test in your own environment, etc.

- -chris
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