[Zope] how to test connection speed on external zope server

Wed, 18 Dec 2002 09:46:29 -0800

Also worth mentioning, if you were testing caching performance, you would
also want to have 2 laptops running a tool like this, have one start a test,
delay a little bit, and let another start after you feel confident that the
cache is relatively full of the items you want.  This sort of testing would
apply just as much to Apache/mod_proxy (assuming you cache) as it would to
Squid.

Sean

-----Original Message-----
From: sean.upton@uniontrib.com [mailto:sean.upton@uniontrib.com]
Sent: Wednesday, December 18, 2002 9:37 AM
To: roel@planetinterior.com; zope@zope.org
Subject: RE: [Zope] how to test connection speed on external zope server

I haven't played with it for years, but Microsoft's travel group (aka
expedia) developed a site stress tool 'Web Application Stress Tool.' 

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnw2kmag00/
html/StressTool.asp

This thing can record what you do through a local proxy and then play back
scripts to run stress tests, and this could be done, for example with 2-3
NT/Win2k laptops connected to the same local network as your server.

Worth testing, also, perhaps is caching performance for any caching proxy
server you put in front of Zope... (For example, if you have a ZEO cluster
of 2 boxes, you could set up Squid to run with no caching, doing plain old
proxying, and see what kind of performance you get round-robining your two
Zope servers, then you could turn on caching, run tests with default refresh
patterns, and compare; finally, you could tweak caching via refresh
patterns, HTTP headers in your applications, and HTTP cache manager tweaks
in Zope and run more rounds of the same test).

Sean

-----Original Message-----
From: Roel Van den Bergh [mailto:roel@planetinterior.com]
Sent: Wednesday, December 18, 2002 3:21 AM
To: zope@zope.org
Subject: [Zope] how to test connection speed on external zope server

Hi all,

some users are complaining about low traffic speed.

Is there a way to test and/or log connection speed to the Zope server from
an external source? Preferably from a win station (yeah I know, but ...).

Any tip would very much be apreciated.

TIA, Roel.

Running Zope 2.5.1 on RedHat 7.3, Apache and Webmin

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