In past articles, it was often recommended to set virtual memory to 1.5 to 2.5 times the size of physical memory.，With the significant drop in memory prices，personal computers are being equipped with increasingly larger amounts of memory，and therefore various recommended values have emerged once again。
In this issue of PChome magazine, there is a pretty good detection method introduced，It's definitely worth referencing。It uses Windows' system logging feature，Record the usage of virtual memory，To determine the size to set for virtual memory。Everyone's computer usage habits and software are very different，This method can meet individual needs，Compared to the multiple-times method，This method is suitable for everyone，The detailed method is as follows：
1.點選「開始」-「控制台」-「系統管理工具」-「電腦管理」
2.在左邊樹枝狀目下找到「效能紀錄及警示」-「計數器紀錄檔」，點擊右鍵選「新增紀錄檔設定」，名稱自行填寫，For example：pagefile。
3.在「一般」的標籤下，點選「新增計數器」。在「效能物件」的下拉式選單選擇「Paging File」。下面的「從清單選取計數器」的選單中點選「% Usage Peak」，並於「從清單中選取例項」的選單中點選「_Total 」。確認完後點選「新增」並點擊「關閉」。
4.點選「紀錄檔」標籤，在「紀錄檔案類型」的下拉式選單中選擇「文字檔（以逗號分隔）」，按下「確定」
5.對著剛新增的紀錄設定按右鍵點選「啟動」，即開始紀錄虛擬記憶體的使用情形。
6.紀錄檔預設存放於C:\PerfLogs目錄下，以.csv格式儲存，用EXCEL或記事本開啟皆。開啟後可以看見類似「3.4027099」的數據，Indicates usage rate，Based on previous data，It was about 3.4% used，I originally set the virtual memory to 1,152MB，This means that at that point in time, 39MB of virtual memory was used。
7.After recording for a period of time，You can determine the amount of virtual memory you need，Then you can go and change the virtual memory settings
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