When I run ab with -v20 it prints out the complete headers for *every* HTTP request including the payload. Redirect the output and as first step I would grep for 'Content-Length'. They should be the same for every single request...
-aj ----- Original Message ----- From: "Joachim Werner" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, June 07, 2002 15:32 Subject: Re: [Zope-dev] Wrong length for http requests! > > ----- Original Message ----- > From: "Joachim Werner" <[EMAIL PROTECTED]> > To: "Andreas Jung" <[EMAIL PROTECTED]> > Sent: Friday, June 07, 2002 9:31 PM > Subject: Re: [Zope-dev] Wrong length for http requests! > > > > Hi! > > > > I tried with more verbosity. The result is that the headers' > Content_Length > > differs. > > > > I now have a first guess on what happens: The page that is delivered is > not > > really static, but has a rotating news box. From a pool of news, random > news > > items are chosen and displayed. > > > > I use the random method to generate the random numbers. Is it possible > that > > the length calculation for the header uses a different random number than > > the method that selects the news? Maybe because the method is called > twice, > > once to calculate the length and once to actually serve the data? > > > > If yes, is there a workaround or fix? > > > > Cheers > > > > Joachim > > > > > > ----- Original Message ----- > > From: "Andreas Jung" <[EMAIL PROTECTED]> > > To: "Joachim Werner" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> > > Sent: Friday, June 07, 2002 9:11 PM > > Subject: Re: [Zope-dev] Wrong length for http requests! > > > > > > > Maybe the headers are different? Try to increase the verbosity level > > > for ab to get the output of the headers and the payload. Maybe you can > > > find something there. > > > > > > -aj > > > ----- Original Message ----- > > > From: "Joachim Werner" <[EMAIL PROTECTED]> > > > To: <[EMAIL PROTECTED]> > > > Sent: Friday, June 07, 2002 15:03 > > > Subject: [Zope-dev] Wrong length for http requests! > > > > > > > > > > Hi! > > > > > > > > I am getting the following results from an ab (Apache benchmark) run > > > against > > > > a Zope site: > > > > > > > > Concurrency Level: 20 > > > > Time taken for tests: 11.862 seconds > > > > Complete requests: 40 > > > > Failed requests: 23 > > > > (Connect: 0, Length: 23, Exceptions: 0) > > > > Total transferred: 1517831 bytes > > > > HTML transferred: 1504991 bytes > > > > Requests per second: 3.37 > > > > Transfer rate: 127.96 kb/s received > > > > > > > > Connnection Times (ms) > > > > min avg max > > > > Connect: 0 2 8 > > > > Processing: 326 4525 5953 > > > > Total: 326 4527 5961 > > > > > > > > The failed requests are due to a length error. When I look at the > > detailed > > > > log, I see differing lengths for requests to exactly the same page: > > > > > > > > B 161954188 2002-06-07T20:55:01 GET /instances/KU/index_html > > > > I 161954188 2002-06-07T20:55:01 0 > > > > A 162098188 2002-06-07T20:55:01 200 37947 > > > > E 162098188 2002-06-07T20:55:01 > > > > B 159004660 2002-06-07T20:55:01 GET /instances/KU/index_html > > > > I 159004660 2002-06-07T20:55:01 0 > > > > A 159706548 2002-06-07T20:55:01 200 37963 > > > > E 159706548 2002-06-07T20:55:01 > > > > B 158147100 2002-06-07T20:55:01 GET /instances/KU/index_html > > > > I 158147100 2002-06-07T20:55:01 0 > > > > A 159649356 2002-06-07T20:55:02 200 37923 > > > > E 159649356 2002-06-07T20:55:02 > > > > > > > > Does anybody know where that might come from? I will get into more > > detail > > > on > > > > how the page is generated if you need to know. But I'd need a first > hint > > > > where to look at first because there is lot of code involved ... > > > > > > > > Cheers > > > > > > > > Joachim > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > Zope-Dev maillist - [EMAIL PROTECTED] > > > > http://lists.zope.org/mailman/listinfo/zope-dev > > > > ** No cross posts or HTML encoding! ** > > > > (Related lists - > > > > http://lists.zope.org/mailman/listinfo/zope-announce > > > > http://lists.zope.org/mailman/listinfo/zope ) > > > > > > > > > > > > > > > > _______________________________________________ > Zope-Dev maillist - [EMAIL PROTECTED] > http://lists.zope.org/mailman/listinfo/zope-dev > ** No cross posts or HTML encoding! ** > (Related lists - > http://lists.zope.org/mailman/listinfo/zope-announce > http://lists.zope.org/mailman/listinfo/zope ) > _______________________________________________ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )