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Question

I have two TWiki sites on the internet, hosted from the same server. I do not have root or ssh access to this server.

Both sites (and other non-TWiki sites on the same server) run at acceptable speeds from various locations.

However, for one of the people who needs to use the sites the response time to load each page is about 80 seconds. This sounds to me like there is something in the chain that is timing out.

He is forced to use a proxy to get to the internet, which is presumably a factor in what is happening. He gets the same response times using IE and FF, and using different computers and different parts of the network, but all behind the proxy.

Other non-TWiki sites are fine, as are some TWiki sites such as http://kb.pert.geant2.net/PERTKB/HttpProxy (specific page only selected as I was googling for possible reasons and came across the geant site), and twiki.org itself.

To add to the setup, the user is on the NHS (UK hospitals) network, for which there are only 2 main gateways to the internet for the whole of England. However, as unreliable as this service is, I use the same gateway from a different hospital, and therefore would assume to exclude this as a factor.

The help I am looking for is as follows:

  • Ideas as to what could be causing the problem
  • Ideas as to what tests I could run to try to identify the culprit

We have tried ApacheBench, but this times out. For other sites including the geant one it works fine.

One of the sites in question is http://iqworks.org

Environment

TWiki version: TWikiRelease04x02x00beta3 and TWikiRelease04x02x00rc2
TWiki plugins: DefaultPlugin, EmptyPlugin, InterwikiPlugin
Server OS: CENTOS Enterprise 4.5 i686, Kernal 2.6.9-55.0.12.ELsmp
Web server: Apache 1.3.37
Perl version: 5.8.8
Client OS: MS Windows XP
Web Browser: IE6, FF2
Categories: Performance

-- EdMcDonagh - 12 Dec 2007

Answer

ALERT! If you answer a question - or have a question you asked answered by someone - please remember to edit the page and set the status to answered. The status is in a drop-down list below the edit box.

Sorry, closing this question after more than 30 days of inactivity. Feel free to re-open if needed.

-- PeterThoeny - 02 Feb 2008

 
Change status to:
Topic revision: r3 - 02 Feb 2008 - 08:15:18 - PeterThoeny
 
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