The combination of cloud computing and MapReduce seems tailored for big data jobs.

云计算和MapReduce的组合看起来非常适合处理Big Data作业。

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In a cloud environment, the MapReduce structure increases the efficiency of throughput for large data sets.

在云环境中，MapReduce结构提高了大型数据集的吞吐效率。

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With cloud, as a developer, you can write a script that provisions any number of machines, runs a MapReduce job, then be charged only for the time you used on each system.

有了云，开发人员就可以通过编写脚本供应任意数量的计算机，运行MapReduce作业，而且只按照使用每个系统的时间付费。

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