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ASP.Net, Out of MemoryWe have ASP.Net web applications running on a Windows 200 Server using the
..Net Framework 1.0. We have been experiencing out of memory errors being displayed on the web page after the application runs for sometimes days. I have attempted to adjust the settings in the machine.config file setting the <processModel> memoryLimit attribute up from the default 60 (%) to 80(%). Around this same time we upped the memory on this server to 4 Gig. The application seemed to run for longer before getting the out-of-memory errors, but they still happen before we have to re-boot the server. Should this memoryLimit be bumped up even more? Are there other attributes in the <processModel> that should be adjusted that would help? How do we go about tracking down what is taking up all the memory? Is it possible there are resources that are not being cleaned up properly,
and are thus not being garbage collected? Show quote "Nick K." <nickkk***@yahoo.com> wrote in message news:%23TPkozg5FHA.472@TK2MSFTNGP15.phx.gbl... > We have ASP.Net web applications running on a Windows 200 Server using the > .Net Framework 1.0. We have been experiencing out of memory errors being > displayed on the web page after the application runs for sometimes days. > > I have attempted to adjust the settings in the machine.config file setting > the <processModel> memoryLimit attribute up from the default 60 (%) to > 80(%). Around this same time we upped the memory on this server to 4 Gig. > > The application seemed to run for longer before getting the out-of-memory > errors, but they still happen before we have to re-boot the server. > > Should this memoryLimit be bumped up even more? Are there other attributes > in the <processModel> that should be adjusted that would help? How do we > go about tracking down what is taking up all the memory? > I am considering all possibilities. I asked if there were any unmanaged code
being called and I was told no. Garbage collecting is something .Net is suppose to handle automatically. Show quote "Marina" <someone@nospam.com> wrote in message news:e%23oJ7Xh5FHA.1140@tk2msftngp13.phx.gbl... > Is it possible there are resources that are not being cleaned up properly, > and are thus not being garbage collected? > > "Nick K." <nickkk***@yahoo.com> wrote in message > news:%23TPkozg5FHA.472@TK2MSFTNGP15.phx.gbl... >> We have ASP.Net web applications running on a Windows 200 Server using >> the .Net Framework 1.0. We have been experiencing out of memory errors >> being displayed on the web page after the application runs for sometimes >> days. >> >> I have attempted to adjust the settings in the machine.config file >> setting the <processModel> memoryLimit attribute up from the default 60 >> (%) to 80(%). Around this same time we upped the memory on this server to >> 4 Gig. >> >> The application seemed to run for longer before getting the out-of-memory >> errors, but they still happen before we have to re-boot the server. >> >> Should this memoryLimit be bumped up even more? Are there other >> attributes in the <processModel> that should be adjusted that would help? >> How do we go about tracking down what is taking up all the memory? >> > > That is if the objects are eligible for GC to begin with. It is possible
that you have objects that are not going out of scope for a long time. One example of this is if you are storing large amounts of data in Session state, and you have long session timeouts. So that data hangs around for a long time before it is eligible for GC, and after you get a lot of users on the system, you just run out of space. That is one example. Another thing to try is to use a different server. If the same problem is there, then it is more likely that the problem is with the application. If the other server works fine under the same load, then it would be something specific to the first machine's configuration. Show quote "Nick K." <nickkk***@yahoo.com> wrote in message news:%23r4%23Kwh5FHA.3588@TK2MSFTNGP15.phx.gbl... >I am considering all possibilities. I asked if there were any unmanaged >code being called and I was told no. Garbage collecting is something .Net >is suppose to handle automatically. > > "Marina" <someone@nospam.com> wrote in message > news:e%23oJ7Xh5FHA.1140@tk2msftngp13.phx.gbl... >> Is it possible there are resources that are not being cleaned up >> properly, and are thus not being garbage collected? >> >> "Nick K." <nickkk***@yahoo.com> wrote in message >> news:%23TPkozg5FHA.472@TK2MSFTNGP15.phx.gbl... >>> We have ASP.Net web applications running on a Windows 200 Server using >>> the .Net Framework 1.0. We have been experiencing out of memory errors >>> being displayed on the web page after the application runs for sometimes >>> days. >>> >>> I have attempted to adjust the settings in the machine.config file >>> setting the <processModel> memoryLimit attribute up from the default 60 >>> (%) to 80(%). Around this same time we upped the memory on this server >>> to 4 Gig. >>> >>> The application seemed to run for longer before getting the >>> out-of-memory errors, but they still happen before we have to re-boot >>> the server. >>> >>> Should this memoryLimit be bumped up even more? Are there other >>> attributes in the <processModel> that should be adjusted that would >>> help? How do we go about tracking down what is taking up all the memory? >>> >> >> > >  |
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