When the memory cache region becomes full, LRU removes the least recently used cached data first.
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。
Many servlet containers place a limit on the amount of memory that can be used across all sessions, and when that limit is reached, will serialize the least recently used session and write it to disk.
许多servlet容器对可以跨所有会话使用的内存的数量有一个限制，达到这个限制时，会序列化最先使用的会话并将它写到磁盘上。
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.
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 memory region is a pure-memory cache region that uses a Least Recently Used (LRU) algorithm.
内存区域是一个使用最近最少算法（Least Recently Used，LRU）的纯内存缓存区域。
Entries for the dentry cache are allocated from the dentry_cache slab allocator and use a least-recently-used (LRU) algorithm to prune entries when memory pressure exists.
dentry缓存的条目从dentry_cacheslab分配器分配，并且在缓存存在压力时使用最近不使用(least - recently - used,LRU)算法删除条目。
Entries for the dentry cache are allocated from the dentry_cache slab allocator and use a least-recently-used (LRU) algorithm to prune entries when memory pressure exists.
dentry缓存的条目从dentry_cacheslab分配器分配，并且在缓存存在压力时使用最近不使用(least - recently - used,LRU)算法删除条目。
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