当内存缓存区域满时，lru会首先删除最近最少使用的缓存数据。
When the memory cache region becomes full, LRU removes the least recently used cached data first.
您可能需要删除不需要的年份，以减少缓存在服务器内存中的日期维度的成员数，从而提高系统性能。
You may also want to remove unneeded years in order to decrease the number of date dimension members that are cached in sever memory, thereby improving system performance.
首先，缓存会实现最近最少使用的算法，使得 ASP.NET能够在内存运行效率较低的情况下强制缓存清除——从缓存自动删除未使用过的项目。
The first is that the Cache implements a least-recently-used algorithm, allowing ASP.NET to force a Cache purge—automatically removing unused items from the Cache—if memory is running low.
她还提到，最近的iOS更新将限制缓冲用户位置的内存空间大小，当定位服务停用时，该缓存内容会自动删除。
She also referenced the recent iOS update which limited the size and scope of the location cache and deleted it whenever location services were deactivated.
她还提到，最近的iOS更新将限制缓冲用户位置的内存空间大小，当定位服务停用时，该缓存内容会自动删除。
She also referenced the recent iOS update which limited the size and scope of the location cache and deleted it whenever location services were deactivated.
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