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发明公开
CN103345368A 一种在缓冲存储器中缓存数据的方法 失效 - 权利终止 转让

一种在缓冲存储器中缓存数据的方法
摘要：
一种在缓冲存储器中缓存数据的方法，所述方法包括以下步骤：接收待缓存数据；比较缓冲存储器中的空闲存储空间的总量与待缓存数据的数据量；如果缓冲存储器中的空闲存储空间的总量小于待缓存数据的数据量，清除缓冲存储器中低权重的缓存数据并释放缓冲存储器中低权重的缓存数据所占用的存储空间；如果缓冲存储器中的空闲存储空间的总量还小于待缓存数据的数据量，则将缓冲存储器中高权重的缓存数据转存至主存中并释放缓冲存储器中高权重的缓存数据所占用的存储空间；向缓冲存储器的空闲存储空间写入待缓存数据。通过本发明的方法提高了缓冲存储器的整体性能。
摘要（英）：

Provided is a data caching method in a buffer storage. The method comprises the following steps of receiving data to be cached, comparing free storing space in the buffer storage with the date size of the data to be cached, cleaning low weight caching data in the buffer storage and releasing the storage space occupied by the low weight caching data in the buffer storage if the total size of the free storage space in the buffer storage is smaller than the data size of the data to be cached, uploading high weight caching data in the buffer storage to a primary storage and releasing the storage space occupied by the high weight caching data if the total size of the free storage space in the buffer storage is still smaller than the data size of the data to be cached, and writing the data to be cached to the free storage space of the buffer storage. The data caching method in the buffer storage improves the overall performance of the buffer storage.

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