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.NET Forum / .NET Framework / Performance / July 2004MSCORWKS loaded instead of MSCORSVR on MP-Machine
Hello, I've deployed a service hosting some classes for remoting. It's a NT-Service and it runs on a dual-processor win2003 server. Using the Process explorer It's quite obvious that the runtime loads the MSCORWKS instead of the MSCORSVR. Shouldn't the runtime load the server-version on a multi-cpu machine? Please don't tell me to use the COMPLUS_BUILDFLAVOR directive since it's not supported! I'd like a 100% supported and perfered way of getting the server-runtime going. And I dont want to create my own host using unmanaged code eather! Please advice, I've read alot regarding this on usenet but I haven't seen a good solution yet Sincerely, Daniel Karlsson Hi Daniel No, there is no supported way with v1.0 or v1.1 to specify server GC mode without an unmanaged host. With Whidbey (v2.0) and v1.1 SP1 (due out this summer) there will be the ability to specify the gc mode in the application's config file. Hope that helps -Chris -------------------- >From: Daniel Karlsson <daniel.karlsson@n0sp4m.digidoc.com> >X-Newsreader: AspNNTP 1.50 (ActionJackson.com) [quoted text clipped - 32 lines] >Sincerely, >Daniel Karlsson  SignatureThis posting is provided "AS IS" with no warranties, and confers no rights. Use of included script samples are subject to the terms specified at http://www.microsoft.com/info/cpyright.htm Note: For the benefit of the community-at-large, all responses to this message are best directed to the newsgroup/thread from which they originated. This article might help you out a bit: http://www.codeproject.com/useritems/TCPRemotingHostServerGC.asp > Hi Daniel > [quoted text clipped - 18 lines] > >Lines: 1 > >Path: cpmsftngxa10.phx.gbl!TK2MSFTNGXA05.phx.gbl!TK2MSFTNGP08.phx.gbl!tk2msftngp13 .phx.gbl > >Xref: cpmsftngxa10.phx.gbl microsoft.public.dotnet.framework.performance:7511 > >X-Tomcat-NG: microsoft.public.dotnet.framework.performance [quoted text clipped - 20 lines] > >Sincerely, > >Daniel Karlsson originated. First of all, thanks for your quick and accurate answer! Now, is there any info about SP1 and the contents of it? Perhaps a beta-program? I'm a MSDN-universal subscriber Sincerely, Daniel Karlsson Ya. Even I am curious. Is there some info on what SP1 will fix ? Vikram > First of all, thanks for your quick and accurate answer! > [quoted text clipped - 3 lines] > Sincerely, > Daniel Karlsson 1.1 and .NET 2.0 will allow the GC to be specified via a config setting, which is not currently possible. Example of the 1.0/1.1 bug would be running a server .NET app on a 16 CPU Windows DataCenter OS. The WKS GC would be used today, whereas in reality the SVR GC should be selected Later http://weblogs.asp.net/mdavey/ > Ya. > Even I am curious. Is there some info on what SP1 will fix ? [quoted text clipped - 8 lines] > > Sincerely, > > Daniel Karlsson Hi Matt This behaviour is actually *by design*, not a bug. v2.0 and v1.1 SP1 will not "fix" this bug, rather add the functionality you described below. The only supported way to specify Server GC is by hosting the runtime. If you could point me to any official documentation that says Server GC should be automatically selected on MP machines, I'll make sure to have it changed. Thanks! -Chris -------------------- >From: "Matt Davey" <Matt.Davey@finetixDOTcom> >References: <VqnIMytLEHA.3900@cpmsftngxa10.phx.gbl> <u86HzW5LEHA.2584@TK2MSFTNGP12.phx.gbl> <#kMg8p6LEHA.556@TK2MSFTNGP10.phx.gbl> [quoted text clipped - 32 lines] >> > Sincerely, >> > Daniel Karlsson SignatureThis posting is provided "AS IS" with no warranties, and confers no rights. Use of included script samples are subject to the terms specified at http://www.microsoft.com/info/cpyright.htm Note: For the benefit of the community-at-large, all responses to this message are best directed to the newsgroup/thread from which they originated. By bug I mean, I view it as a bug :) Sorry for the confusion, but it is kinda mad if U run a .NET windows service on a 16 CPU machines, that the WKS GC is used and not the SVR GC Later > Hi Matt > > This behaviour is actually *by design*, not a bug. v2.0 and v1.1 SP1 will not "fix" this bug, rather add the functionality you described below. The only supported way to specify > Server GC is by hosting the runtime. > > If you could point me to any official documentation that says Server GC should be automatically selected on MP machines, I'll make sure to have it changed. > Thanks! > -Chris > > -------------------- > >From: "Matt Davey" <Matt.Davey@finetixDOTcom> > >References: <VqnIMytLEHA.3900@cpmsftngxa10.phx.gbl> <u86HzW5LEHA.2584@TK2MSFTNGP12.phx.gbl> <#kMg8p6LEHA.556@TK2MSFTNGP10.phx.gbl> > >Subject: Re: MSCORWKS loaded instead of MSCORSVR on MP-Machine > >Date: Sat, 1 May 2004 23:27:09 +0100 [quoted text clipped - 7 lines] > >NNTP-Posting-Host: spc1-hers1-3-0-cust151.lond.broadband.ntl.com 80.0.63.151 > >Path: cpmsftngxa10.phx.gbl!TK2MSFTNGXA05.phx.gbl!TK2MSFTNGP08.phx.gbl!TK2MSFTNGP09 .phx.gbl > >Xref: cpmsftngxa10.phx.gbl microsoft.public.dotnet.framework.performance:7523 > >X-Tomcat-NG: microsoft.public.dotnet.framework.performance [quoted text clipped - 19 lines] > >> > Sincerely, > >> > Daniel Karlsson originated. what do you mean by "its not supported"? ice > Hello, > [quoted text clipped - 17 lines] > Sincerely, > Daniel Karlsson I've read that the COMPLUS_BUILDFLAVOR is a unsupported way of getting the server-runtime and I refuse to use it because of that =P Since our production system is a multi-server webfarm that is mission-critical for our customers I can't rely on unsupported features! So in essence you are saying that running the server gc is unsupported? Bottomline is that it loads the proper assembly - I think MSFT doesn't want that to be the way we accomplish it, but it works. And yes, I do have a mission-critical app :) ice > I've read that the COMPLUS_BUILDFLAVOR is a unsupported way of getting > the server-runtime and I refuse to use it because of that =P > > Since our production system is a multi-server webfarm that is > mission-critical for our customers I can't rely on unsupported features! Hi Ice Running Server GC is indeed a supported scenario, as long as it's done via supported means (by not supported, I mean, the behaviour of complus_buildflavor is not guaranteed to remain constant between versions of the runtime, nor will MS support issue a fix for bugs in server GC specified via that setting). The only way Microsoft-supported way to specify Server GC with v1.0 and v1.1 is by hosting the runtime (see http://msdn.microsoft.com/library/default.asp?url=/library/en- us/dndotnet/html/dotnetperftechs.asp) If you have a mission-critical application that you feel requires Server GC, you will have to host the runtime. As I said earlier, this behaviour will change in v2.0 and v1.1 SP1. Hope that helps -Chris -------------------- >From: "Ice" <ice@nospam.com> >References: <OKrCGReMEHA.2508@TK2MSFTNGP10.phx.gbl> <u4UhZpmMEHA.2500@TK2MSFTNGP12.phx.gbl> [quoted text clipped - 24 lines] >> Since our production system is a multi-server webfarm that is >> mission-critical for our customers I can't rely on unsupported features! SignatureThis posting is provided "AS IS" with no warranties, and confers no rights. Use of included script samples are subject to the terms specified at http://www.microsoft.com/info/cpyright.htm Note: For the benefit of the community-at-large, all responses to this message are best directed to the newsgroup/thread from which they originated. Quite understood. I just don't know how else I could do this when my component are hosted in COM+ i.e. dllhost. Any suggestions? If I don't it this way, then there is no way to get the behavior I'm looking for. ice > Hi Ice > > Running Server GC is indeed a supported scenario, as long as it's done via supported means (by not supported, I mean, the behaviour of complus_buildflavor is not > guaranteed to remain constant between versions of the runtime, nor will MS support issue a fix for bugs in server GC specified via that setting). > > The only way Microsoft-supported way to specify Server GC with v1.0 and v1.1 is by hosting the runtime (see http://msdn.microsoft.com/library/default.asp?url=/library/en- > us/dndotnet/html/dotnetperftechs.asp) > > If you have a mission-critical application that you feel requires Server GC, you will have to host the runtime. As I said earlier, this behaviour will change in v2.0 and v1.1 SP1. > Hope that helps > -Chris [quoted text clipped - 13 lines] > >NNTP-Posting-Host: 208.28.230.35 > >Path: cpmsftngxa10.phx.gbl!TK2MSFTNGXA01.phx.gbl!TK2MSFTNGP08.phx.gbl!TK2MSFTNGP11 .phx.gbl > >Xref: cpmsftngxa10.phx.gbl microsoft.public.dotnet.framework.performance:7556 > >X-Tomcat-NG: microsoft.public.dotnet.framework.performance [quoted text clipped - 11 lines] > >> Since our production system is a multi-server webfarm that is > >> mission-critical for our customers I can't rely on unsupported features! originated. > The only way Microsoft-supported way to specify Server GC with v1.0 and v1.1 is by hosting the runtime (see > http://msdn.microsoft.com/library/default.asp?url=/library/en- > us/dndotnet/html/dotnetperftechs.asp) Did you really mean to say that using the Garbage Collection Mode application property in the .NET Framework Configuration .msc isn't supported? Or that it doesn't work? Thanks Mike Hi Mike In the configuration .msc, you can specify whether the GC is to use Concurrent GC or non-concurrent (the default). Server GC can only be specified by hosting. Concurrent GC does full (Generation 2) collections on a seperate thread without blocking the other GC thread (for mark phase). This is useful for GUI apps, since it means a more responsive GC. There are a few caveats to Concurrent: -it only works on a multi-proc machine -it is disabled if server GC is specified (through hosting) -Chris -------------------- >Date: Thu, 22 Jul 2004 10:17:53 EDT >Mime-Version: 1.0 [quoted text clipped - 6 lines] >Reply-To: mikebkdont@spamintrex.net >References: <OKrCGReMEHA.2508@TK2MSFTNGP10.phx.gbl> <u4UhZpmMEHA.2500@TK2MSFTNGP12.phx.gbl> <ueHTF1wMEHA.1192@TK2MSFTNGP11.phx.gbl> <vubBHvdOEHA.2608@cpmsftngxa10.phx.gbl> >Newsgroups: microsoft.public.dotnet.framework.performance >NNTP-Posting-Host: 65.194.244.137 [quoted text clipped - 13 lines] > >Mike SignatureThis posting is provided "AS IS" with no warranties, and confers no rights. Use of included script samples are subject to the terms specified at http://www.microsoft.com/info/cpyright.htm Note: For the benefit of the community-at-large, all responses to this message are best directed to the newsgroup/thread from which they originated. 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