This provides more available space for more frequently accessed pages. The purpose of a page file is to back (support) infrequently accessed modified pages so that they can be removed from physical memory. Therefore, physical memory and page file sizing also vary. Peak system-committed memory usage can vary greatly between systems.
If no page files exist, the system commit limit is slightly less than the physical memory that is installed. This limit is the sum of physical memory (RAM) and all page files combined. The system commit charge cannot exceed the system commit limit. Otherwise, a system memory dump file is not created.įor more information, see Support for system crash dumps section.
If you want a crash dump file to be created during a system crash, a page file or a dedicated dump file must exist and be large enough to back up the system crash dump setting. Use the following considerations for page file sizing for all versions of Windows and Windows Server.
This means that page file sizing is also unique to each system and cannot be generalized. Both considerations are unique to each system, even for systems that are identical. Page file sizing depends on the system crash dump setting requirements and the peak usage or expected peak usage of the system commit charge. How to determine the appropriate page file size for 64-bit versions of Windows
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