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Windows Server Forum / IIS / IIS General Topics / July 2008High req/sec
We have a home grown application written in .net 1.0 sp2 which on occassion the web servers will get a high number of req/sec (in ASP applications object in perfmon) which will cause an increase in CPU, sometimes to 100% For a reason we have not be able to indentify a users session will generate about 500 req/sec or so. If several users have this issue at the same time the CPU reaches 100%. Clients are running IE 6.0 (on metaframe 4.0 runnning on windows 2003 sp1 server) IIS is windows 2003, no Service Pack Any feedback to help us indentify the problem would be appreciated. Could it be IE? Could in be the .net application? etc Thanks, Don Hi, My first guess is a loop of redirects. I would start by looking in the IIS log files. There should be no problems to identify this in the log file, and it should at least tell you what resource the client is requesting.  SignatureRegards, Kristofer Gafvert http://www.gafvert.info/iis/ - IIS Related Info > We have a home grown application written in .net 1.0 sp2 which on > occassion [quoted text clipped - 20 lines] > > Don What would cause loop redirects? Is this something that updated IE might fix? > Hi, > [quoted text clipped - 28 lines] > > > > Don Incorrect code or incorrect setting in IIS. For example, the client requests imageA.jpg, but you have a redirect to imageB.jpg, which in turn redirects back to imageA.jpg. I have also seen javascript code cause problems (causing the client to send a request forever and ever). The best thing is to check the IIS log file. If you have a lot of requests to the same file(s), something is strange with those file(s) or their referer. SignatureRegards, Kristofer Gafvert http://www.gafvert.info/iis/ - IIS Related Info > What would cause loop redirects? Is this something that updated IE might > fix? [quoted text clipped - 33 lines] >> > >> > Don |
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