It provides a resilient infrastructure that supports fault tolerance, load balancing and true parallel execution satisfying the most demanding high availability requirements.
它提供一个灵活的基础结构,支持容错、负载平衡和真正的并行执行,能够满足高可用性需求。
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MapReduce is an abstraction that allows Google engineers to perform simple computations while hiding the details of parallelization, data distribution, load balancing and fault tolerance.