缓存到期失效以及清理器的工作方式也应该相同。
The cache expiration, and also the sweepers, work in an identical way.
将工作分区与它们的数据分区进行匹配，这将增加服务器缓存的命中概率，并减少对数据库的远程访问，后者会引起较大的延迟。
Matching work partitions to their data partitions will increase the probability of a cache hit within the server and decrease remote accesses to the database, which introduces quite a bit of latency.
在内容的生存期内，对同一页面的后续请求都将由缓存代理直接响应，因而不会在门户服务器上生成工作负载。
Subsequent requests to the same page within the lifetime of the content are responded to directly by the caching proxy, and thus do not generate load on the portal server.
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