By combining distributed computing resources into a single system "image," grid computing creates a virtual computer from which users can access data and resources as required.

通过将分布式计算资源组合到单一的系统“图像”中，网格计算生成了可以使用户访问所需数据和资源的虚拟机算计。

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For example, on distributed platforms, map-reduce coupled with in-memory databases; on System Z, co-deploy for access to enterprise data.

例如，在分布式平台中，使用映射-规约模式加上内存数据库；在System Z中，进行联合部署以实现对企业数据的访问。

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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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