Graham Dumpleton wrote:
2010/1/22 Shachar Shemesh <[email protected]>:
What version of mod_wsgi are you using?
2.5-1~lenny1
If using mod_wsgi 3.1, try mod_wsgi 2.8 instead and tell us if it is
any different.

I'm not sure it's going to be simple to upgrade to 2.8. If you know of a problem, I'll give it a shot.
Also try a simple WSGI hello world program that doesn't use a web
framework. See:

  http://code.google.com/p/modwsgi/wiki/QuickConfigurationGuide

When the exact same script (the web2py gateway script) is run without an AJAX data in the request, the problem does not happen. Only when there is data on the GET request does the problem happen. Also, the problem does not happen if we use the web2py "built in" server, only through Apache.
for an example.

Also try putting some print statements in WSGI script file and see if
the time isn't just the time taken to import web application the first
time. Thus add at start of WSGI script:
I have to confess that I did not perform the original installation, and it's my first time with wsgi, so I'm not sure to what you refer as the WSGI script. If it's the script that appears in the WSGIAlias line in the Apache config, then I've already tried placing a print at the beginning and end. The script is called about four seconds after the request arrives, completes almost immediately, and then there are about six more seconds of delay before the answer is returned to the browser.

Also, if immediately after the problem happens you perform another operation, that completes fairly quickly (about a second). If, however, you wait about 30 or 50 seconds, the problem happens again.

Thanks,
Shachar

--
Shachar Shemesh
Lingnu Open Source Consulting Ltd.
http://www.lingnu.com

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