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From "Craig R. McClanahan" <Craig.McClana...@eng.sun.com>
Subject Re: Tomcat 4.0 Milestone 4 performance measurement
Date Thu, 02 Nov 2000 18:32:20 GMT
I agree that it's definitely time to start doing this.  However, to have
useful results, it is important that we execute the same test procedures --
otherwise, you cannot even reproduce the same results reliably on the same
platform.

Roy, would it be possible for you to write us a simple "cookbook" to follow
in executing tests, so that we can each follow the same script and then
report the results consistently?

Craig McClanahan


Roy Wilson wrote:

> Hi,
>
> (1) System throughput and response time data collection
>
> I plan to do measurements myself using Henri Gomez' rpmized version of
> TC-4.0-m4, but since machines and environments differ, it might be
> interesting to know what kind of total time, throughput, avg and max
> connection and processing time per request people see using the
> HelloWorld servlet driving their system with ab in localhost mode
> (immediately after a cold boot). These are the kinds of data presented by
> Costin at ApacheCon Europe. I'd like to compile such numbers if people
> are willing to post them along with info on CPU (e.g. Celeron 400Mhz),
> memory (eg. 256M SDRAM100), disk (eg. WD Caviar 10.2MB, 5400 rpms), OS
> (Redhat6.1), JVM (Classic), etc.
>
> (2) System resource usage data collection
>
> CPU and disk demand per request on each system might be interesting. I
> have done some very simple resource measurement and performance modeling
> of Apache that is described in a Office2000 PowerPoint (but created in
> StarImpress) presentation at
>
> http://members.bellatlantic.net/~designrw/BENCH1.zip
>
> My current plan is to apply the same approach to TC-4.0 and then to
> extend it by considering a mix of servlets, not just the HelloWorld
> servlet (again in keeping with Costin's pitch at ApacheCon).
>
> Roy Wilson
> --
> Roy Wilson
> E-mail: designrw@bellatlantic.net
>
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