To achieve performance improvements, they also need to operate on large scale data - they rely on large scale cluster processing.
为了提升性能，他们还需要操纵大范围数据：使用大范围集群处理。
Big data processing and analytics using Hadoop provides a framework to take advantage of these resources by distributing the workload into a cluster of computers.
使用Hadoop的大规模数据处理与分析提供了一个框架，通过将工作负载分散到一个计算机集群中来充分利用这些资源。
Input data is partitioned in such a way that it can be distributed among a cluster of machines for processing in parallel.
输入数据使用这样一种方法进行分区，即在并行处理的计算机集群中分区的方法。
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