When Should You Manually Trigger Garbage Collection?

When is it acceptable to trigger garbage recovery manually?

Although it is usually not recommended to call , in some cases, it may be beneficial.

Service pause: GC.Collect

Intermittent operations (executing tasks with a certain interval) can be benefited from mandatory garbage recovery. Clear unused memory before the longer free period can reduce the memory occupation of the process. This ensures that it will not retain unnecessary resources when it is not moving. Close the large window:

When the large window is turned off, a large number of UI controls will be eligible for garbage recycling. At this time, manual trigger recycling can release a large amount of memory. Due to the natural suspension of the window closing, it is unlikely that users are noticed.

.NET 4.5 and 4.6 enhancement function:

In .NET 4.5,

provides options to enter low or continuous low latency mode. In order to enter and exit these models, it is recommended to use

for compulsory garbage recovery. .NET 4.6 introduced the

method, which prohibited garbage recovery within a period of time. In order to ensure effective memory management, it is recommended to perform completely garbage recovery before and after calling this method.

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