RailsV2.1内置了简单的缓存访问。
它代表近缓存访问率。
，40 60%的每日访问您站点来在一个空的缓存。
, 40-60% of daily visitors to your site come in with an empty cache.
缓存管理授予对CacheManagement视图的查看访问权。
Cache Management Grants view access to the Cache Management view.
Translator由两个子组件组成，即访问控制服务器和文件缓存。
The Translator consists of two sub-components, the access control server and the file cache.
在编译语句时，语句的访问计划被存储在包缓存中。
When the statement is compiled, its access plan is stored in the package cache.
访问率代表在远缓存中多久能找到一个对象。
The hit rate represents how often an object will be found in the remote cache.
访问缓存中的这些项的唯一方法就是请求url。
The only way to address such entries in the cache is the request URL.
Rh是远缓存的访问率。
在客户端缓存部分经常访问的数据，可以缩短数据的存取时间、提高系统性能。
Caching part frequently accessed data at client can short access time and improve performance.
在客户端缓存部分经常访问的数据，可以缩短数据的存取时间、提高系统性能。
Caching part frequently accessed data at client can short access time and improve performance.
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