[Zope] performance concern

Andreas Jung Andreas Jung" <andreas@zope.com
Fri, 5 Apr 2002 12:15:14 -0500


What about using state-of-the-art hardware for demonstrations?

-aj
----- Original Message -----
From: "Bill Ort" <billort2002@yahoo.com>
To: <zope@zope.org>
Sent: Friday, April 05, 2002 10:38
Subject: [Zope] performance concern


> Hi,
>
> We are new to Zope and are trying to create a form- and db-intensive web
> application using Zope 2.4.0 (though I'm testing in 2.5 also).  I've
noticed
> that our complex forms (which use nested dtml-in loops) are running
> extremely slow, taking more than 30 seconds on the server side (450MHz
> Pentium II w/ linux).  So I created a snippet benchmark and noticed
> something peculiar, in that running a simple loop for the first time is
> often very slow, however in subsequent refreshes of the document the loop
> runs almost 8-10 times faster.  I turned off caching as much as I know how
> (in the browser and zope).  Here is the benchmark I'm using:
>
> <dtml-var standard_html_header>
> <dtml-comment>Note: My standard header turns off browser
> caching.</dtml-comment>
> <dtml-call "REQUEST.set('starttime',_.DateTime().millis())">
> Start Time (ms): <dtml-var starttime><br>
> <dtml-call
> "REQUEST.set('testlist',['1','2','3','4','5','6','7','8','9','10'])">
> <dtml-in "testlist">
>   <dtml-var sequence-item>&nbsp;
> </dtml-in>
> <br>
> <dtml-call "REQUEST.set('endtime',_.DateTime().millis())">
> End Time (ms): <dtml-var endtime><br>
> <hr size=1>
> Delay (ms) = <dtml-var "endtime - starttime"><br>
> <dtml-var standard_html_footer>
>
> Any help would be extremely welcome...as is, the site is too slow to demo
to
> potential clients.
> Thanks,
> Bill Ort
> billort@billort.com
>
>
>
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