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.NET Forum / .NET Framework / Performance / October 2007Performance issue
Hello. I'm running a Windows 2000 server machine with .Net Framework 1.1 and Commerce Server 2002. Since the application we had was changed to make XML/XSL transforms we are getting the ASPNET_WP process reaching 100% usage of cpu. Even with hardware with 4 Dual Core processors. I've tested almost all of the code for proper closing of sql connections and dispose situations and I can't seem to find anything out of the ordinary. We have run alot of counters on this machine and we have identified a lot of work of %Time used in GC. Also when sessions go above 300 more or less the situation is really impossible to maintain. IISReset is the only solution. Does anyone has some indications of what could be the problem? Thanks. Regards, Pedro > Hello. > [quoted text clipped - 18 lines] > Regards, > Pedro You do have .NET 1.1 SP1 (and hopefully with post sp1 fixes too?). If you are running on plain 1.1, its quite scary to read this: http://support.microsoft.com/kb/867460 Get a better picture of the performance counters and what they say here, it might help: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnpag/html/scal enet.asp XML/XSL transforms are cpu and memory intensive, but they can be optimized to behave well. Thanks Laura. I have SP1 installed on 1.1 version. For the post fixes I will have to check which ones may be missing. What kind of optimization do you recommend for the transforms? We have checked for infinite loops and everything is ok, we have removed indentation from the xslt to reduce load time for the customer, and we usually use stringbuilder for the concats. Regards, Pedro > > Hello. > > [quoted text clipped - 28 lines] > XML/XSL transforms are cpu and memory intensive, but they can be optimized > to behave well. Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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