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During discussion with my collegue, I got a doubt that the garbage collector in .net works system wide or application wide.
Means if every application having its own GC then will it effect system performance?
I am little bit confused about that.
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. NET's garbage collector manages the allocation and release of memory for your application. Each time you create a new object, the common language runtime allocates memory for the object from the managed heap.
The garbage collector serves as an automatic memory manager. When there isn't enough memory to allocate an object, the GC must collect and dispose of garbage memory to make memory available for new allocations. This process is known as garbage collection.
In the common language runtime (CLR), the garbage collector (GC) serves as an automatic memory manager. The garbage collector manages the allocation and release of memory for an application. For developers working with managed code, this means that you don't have to write code to perform memory management tasks.
What is Java Garbage Collection? Java applications obtain objects in memory as needed. It is the task of garbage collection (GC) in the Java virtual machine (JVM) to automatically determine what memory is no longer being used by a Java application and to recycle this memory for other uses.
Each process has its own managed heap, which will be collected separately.
There's no system-wide heap, so there can be no system-wide GC.
(If you're running multiple CLRs in the same process, they'd each have their own GC too. That's a pretty rare situation though.)
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There is a Garbage Collector per process in the Workstation\Server version of the .Net runtime. GC introduces a CPU overhead per managed process.
Whether this has an impact on system performance depends on how many managed processes you have and if they are spending a lot of time collecting garbage. You can analyse how much time your process is spending collecting garbage by inspecting performance counter "% Time Spent In GC".
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