[Zope] Threading, dtml and performance?!

Wed, 24 Oct 2001 16:54:29 +0200

Ahaha... Keyword being method. Its one step closer to working now, but I
get authorization errors against bobbobase_mod_time. I tried as
superuser and owner/manager roles with no avail. Am I missing something?

Paul Zwarts

-----Original Message-----
From: zope-admin@zope.org [mailto:zope-admin@zope.org] On Behalf Of
Chris McDonough
Sent: Wednesday, October 24, 2001 3:11 PM
To: Paul Zwarts
Cc: chrism@zope.com; 'Tony McDonald'; 'Oliver Erlewein'; zope@zope.org
Subject: Re: [Zope] Threading, dtml and performance?!

Maybe you created the method in a subfolder without many peer objects? 
It should be created at the root.

Paul Zwarts wrote:
> Well, okay then. I get it. However, since it takes only 80% of 1
second
> to load the page, its difficult to access another page... LOL. 
> 
> I've tried the reverse now. Pulling a page that does heavy SQL queries
> and then refreshing the speeTest page a few times. Adding some time
> fields, the page only takes .1 second more than before. 
> 
> I also mention that I built my own mailing list app for our site, and
it
> has run against 8000 emails, and still services me or other users on
the
> site, even though the bulkmailer takes up to 30 minutes to run fully.
> 
> So I guess the result is the same. Solaris has something funny,
whereas
> Linux does not.
> 
> But as per my first message, I don't think this test works properly
> because the second IN is never executed, so this dtml doesn't actually
> do anything to the server that would distract it or load it down.....
> 
> Paul Zwarts
> 
> -----Original Message-----
> From: Chris McDonough [mailto:chrism@digicool.com] 
> Sent: Wednesday, October 24, 2001 2:24 PM
> To: Paul Zwarts
> Cc: 'Chris McDonough'; 'Tony McDonald'; 'Oliver Erlewein';
zope@zope.org
> Subject: Re: [Zope] Threading, dtml and performance?!
> 
> The output of the DTML method isn't important, but if you ran it and
it 
> took a while (> 5 seconds or so), but then at the same time it was 
> running, you visited a page in the mgmt interface and that operation 
> took .83 seconds, that's the number that's important.. that lets us
know
> 
> that MP Linux systems aren't "freezing" like Solaris systems.
However, 
> if you ran this method, and you couldn't do anything on the system
until
> 
> it finished, there would be a problem.
> 
> Paul Zwarts wrote:
> 
>>Um... I can do this on a Dual P2-400 with 256mb ram, loading the
>>
> Redhat
> 
>>flavour of the latest linux kernel....
>>
>>But, I don't quite understand the test. At least, what is the dtml
>>doing? I tried it out and I get nothing on the page, except my
>>header/footer stuff. The time reslut from the debug console reveals
>>
> .83
> 
>>seconds, but that is because my interface is quite heavy on SQL and
>>
> CST.
> 
>>Should I modify the code to something else? I suppose the first in-tag
>>is to just create a loop, so can I use _.range() instead?
>>
>>If the ZopeFind(this(), '', '', '',....) means its looking for '1' as
>>
> an
> 
>>object, it doesn't work either even if I add a method called '1'. With
>>some text in between, I see that the first <dtml-in> works only and
>>
> the
> 
>>ZopeFind returns bunk.
>>
>>I'm interested in this test, but I;m not techie enough to understand
>>
> the
> 
>>control here.
>>
>>
>><dtml-call logic>
>><dtml-var head>
>><dtml-var standard_html_header>
>>start<br>
>>
>> <dtml-in
>>
>>
>
"[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
> 
>>1,1]">
>>  a<br>
>>  <dtml-in "ZopeFind(this(), '', '', '', '', '' , '', '', '', 1)"
>>sort=bobobase_modification_time reverse>
>>    b<br>
>>    <dtml-var bobobase_modification_time>, <dtml-var id><br>
>>
> </dtml-in>
> 
>>  </dtml-in>
>>end<br>
>><dtml-var standard_html_footer>
>>
>>
>>
>>Thanks for help,
>>Paul Zwarts
>>
>>-----Original Message-----
>>From: zope-admin@zope.org [mailto:zope-admin@zope.org] On Behalf Of
>>Chris McDonough
>>Sent: Wednesday, October 24, 2001 12:48 AM
>>To: Tony McDonald; Oliver Erlewein; zope@zope.org
>>Subject: Re: [Zope] Threading, dtml and performance?!
>>
>>Can somebody with a multiprocessor Linux machine try this out?
>>
>>----- Original Message -----
>>From: "Tony McDonald" <tony.mcdonald@ncl.ac.uk>
>>To: "Chris McDonough" <chrism@zope.com>; "Oliver Erlewein"
>><oerlewein@gmx.de>; <zope@zope.org>
>>Sent: Tuesday, October 23, 2001 6:12 PM
>>Subject: Re: [Zope] Threading, dtml and performance?!
>>
>>
>>
>>
>>>On 23/10/01 4:21 pm, "Chris McDonough" <chrism@zope.com> wrote:
>>>
>>>
>>>
>>>>This "hogging" behavior doesn't show up on a Linux 2.4.2 kernel,
>>>>
>>>>
>>Zope
>>
>>
>>>>2.3.3 system we have here.  I can browse the site normally while
>>>>
>>>>
>>the
>>
>>
>>>>DTML method runs.
>>>>
>>>>I don't have a Solaris machine to test this on; can anyone else
>>>>confirm the behavior on Solaris?
>>>>
>>>>
>>>>
>>>Solaris 8, Zope 2.4.1 compiled from source.
>>>Save the DTML as a method, 'view' it. Try and do something else on
>>>
>>>
>>the same
>>
>>
>>>site .... No-go.
>>>
>>>Damn.
>>>
>>>Tone.
>>>--
>>>Dr Tony McDonald,  Assistant Director, FMCC, http://www.fmcc.org.uk/
>>>The Medical School, Newcastle University Tel: +44 191 243 6140
>>>A Zope list for UK HE/FE
>>>
>>>
>>http://www.fmcc.org.uk/mailman/listinfo/zope
>>
>>
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>>
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>>
> 
> 

-- 
Chris McDonough                    Zope Corporation
http://www.zope.org             http://www.zope.com
"Killing hundreds of birds with thousands of stones"

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