I have a problem with an C# application. The application is a 24x7 low volume message processing server. The server has a single thread of processing, running in a continuous loop, for each iteration thread sleeping for 5 seconds and than reading textual message files from a Windows Folder and applying them to a database.
From an external view, the server appears to have a memory-leek, continuously consuming RAM in a near linier fashion as it runs. I’ve observed the following
• Monitoring the application with perfmon or the windows task manager, the application continuously consumes additional memory at the rate of about half a gigabyte an hour.
• Viewed internally using GC.GetTotalMemo ry(true), memory consumption fluctuates between 400 and 800 KB and exhibits no trend of increasing memory utilisation.
• Fireing up another application under the .NET environment causes the near linier increase in memory utilisation to de-stabilise and occasionally drop dramatically. The most extreme observed drop was from 1.5GB to just under 1 megabyte
I have tried the application on Windows NT4, 2000 and XP running it under .NET without service packs and separately with service pack 1 and with service pack 2. In each case I’ve seen the same behaviour
Is this known CLR behaviour? Is there any way of restricting the amount of memory available to the CLR
Any thoughts or info would be greatly received. I have an angry client who want’s to move back to J2EE :
Jul 21 '05
11  2811 
Hi Jong,
This is not the part where I say I am sure.
In my opinion does setting the reference to null nothing
When you construct your object in a routine (cannot get the name) and that
routine goes out of scope it should (when it has no any references any more
to another object) be destructed by the garbage collector.
However when it stay in scoop or there stays somehow a reference to another
not to dispose object it will not be disposed and you have to do it by hand.
This is just how I understand it until now.
Cor
Hi Jong,
This is not the part where I say I am sure.
In my opinion does setting the reference to null nothing
When you construct your object in a routine (cannot get the name) and that
routine goes out of scope it should (when it has no any references any more
to another object) be destructed by the garbage collector.
However when it stay in scoop or there stays somehow a reference to another
not to dispose object it will not be disposed and you have to do it by hand.
This is just how I understand it until now.
Cor
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