Actually, I was thinking more of disabling the AccessLog in httpd, to see how much impact that had.
(That's also less additional tests to run ;-))

Christopher Schultz wrote:
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André,

On 5/19/2009 2:28 PM, André Warnier wrote:
Christopher Schultz wrote:
...
Thanks for the work.  At least it may put to rest some gross
misconceptions.

Now just a question : in the httpd tests, did you have an AccessLog
enabled ?  I would imagine you did not have an AccessLogValve enabled in
Tomcat, and I wonder if it makes any practical difference.

That's a very good point: no, I didn't enable an AccessLogValve. As most
of us know, logging can be quite dragging on the performance of any
piece of software.

After I get some primary data (already kicked-off tonight's job: 40
concurrent connections under all the same conditions) I'll make some
adjustments such as AccessLogValve. I would argue that a test without
the AccessLogValve enabled is not fair to httpd, so I'm glad you
mentioned it: I didn't think of it at all since I always use httpd in
front of Tomcat and so I've never configured the AccessLogValve for my
own software.

- -chris
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