This approach is used by the majority of Web 2.0 sites running almost completely directly from memory.
这一方式被主流的Web 2.0站点所使用,它们几乎都是完全直接运行于内存之上。
Keep-session-cookies saves the session cookies instead of keeping them in memory, which is useful on sites that require access to other pages.
keep - session - cookies保存会话cookie,而不是将它们留在内存中,这对于需要访问其他页面的站点比较有用。
It's a distributed memory caching system which Facebook (and a ton of other sites) use as a caching layer between the web servers and MySQL servers (since database access is relatively slow).
它是一个分布式的内存缓存系统,Facebook(包含其他很多网站)用它作为Web服务器和MySQL服务器之间的缓存层(因为数据库访问相对比较慢)。
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