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From Rainer Jung <rainer.j...@kippdata.de>
Subject Re: Any way that scheme and/or proxyPort attributes in server.xml can add significantly to processing time?
Date Mon, 13 Jul 2009 08:18:44 GMT
On 13.07.2009 06:51, Shaun Qualheim wrote:
> All --
> 
> Is there any way that scheme and/or proxyPort attributes in
> server.xml can add significantly to processing time?  We're noticing
> that 2 identical servers, 1 that is straight http, and 1 that is
> behind an ssl offloader with scheme=https and proxyPort=443
> attributes on the connector's element have significant lag compared
> to one another on high load.

What do you mean by significant? How many percent, how much in absolute
terms? Does it happen for all kind of requests? Is it just an
observation rom using a browser, or did you actually measure something?

Activate the Tomcat access log and add "%D" (duration in milliseconds)
to the pattern. Then check, whether Tomcat's idea of response time
matches your observation. If not, then the additional lag might happen
during processing in front of Tomcat.

Regards,

Rainer

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