Then MapReduce shuffles the map output by key and does another parallel computation on the redistributed map output, writing the results to the file system in the Reduce phase of the computation.
然后MapReduce按照各个键改组映射输出，对重新分配的映射输出执行另一项并行计算，在计算的归纳阶段将结果写入到文件系统中。
A key selling point for MapReduce is its ability to abstract the operational parallelization semantics - how parallel programming works - away from the developer.
MapReduce的关键特点是它能够对开发人员隐藏操作并行语义—并行编程的具体工作方式。
In the initial example above, the key data was user profiles, which could be distributed (partitioned) across a set of machines for parallel processing.
在上例中，关键数据是用户配置文件，可以跨一组机器分布(分区)以进行并行处理。
You may also refer to the introductory paragraph by using key words or parallel concepts and images that you also used in the introduction.
你也可以参照介绍的部分，使用它的关键词、平行概念或者场景。
MapReduce breaks down a problem into millions of parallel computations in the Map phase, producing as its output a stream of key-value pairs.
MapReduce在映射阶段将一个问题分解为数百万个并行计算，并生成键-值对流作为输出。
This paper introduces the design & implementation of a parallel file system based on direct data access, and gives out the primary functions and key technologies of parallel file system.
该文介绍了一种基于直接数据访问的并行文件系统的设计和实现，阐明了该并行文件系统具备的主要功能及解决的关键技术问题。
The key problem is how to prune the big search space in order to get an optimized query plan for query parallel optimization.
并行查询优化器的目标是缩减庞大的计划搜索空间，获得优化的查询规划。
Improving the precision of position and posture is one of the key techniques for 6-sps parallel platform.
提高位置和姿态的精度是6 -SPS并联平台的关键技术之一。
In the massive parallel distributed processing system, the load balancing strategies among its nods is one of the key problems.
在大规模并行分布处理系统中，各节点间的负载平衡调度是最常见的关键性问题之一。
The node-based local mesh generation(NLMG) is a key issue of the seamless finite element parallel computing, however, an inappropriate local mesh generation algorithm will produce inconsistent mesh.
局部网格生成是无缝有限元并行计算的关键问题，然而，不恰当的局部网格生成算法会产生不一致网格。
Oil return is a key problem for stable and reliable operation of compressor parallel operation system.
压缩机并联运行系统的稳定可靠运行，回油问题是关键。
The work theory of parallel multi-roll straightener is first introduced in chapter two, and the key parameter's mathematical expression is acquired and simplified according to engineering application.
第二章首先介绍了平行多辊矫直机的工作原理，并推导了影响矫直效果的关键参数的数学表达式，并根据工程应用进行简化。
The key technology on compressor parallel is to maintain the safe oil levels.
压缩机并联技术的关键在于解决回油分配问题。
Holographic data storage is a key research direction in the optical data storage field due to its high storage density, high capacity and high speed of parallel data accessing.
全息光存储以其高密度、大容量、高速并行数据存取而成为光存储领域的一个重要研究方向。
In order to resolve the key problems of distributed network parallel technology using in CFD, the CFD Universal Interface Model on Parallel Platform was established.
为解决分布式网络并行技术在计算流体力学应用中的主要问题，提出了“并行平台上的CFD通用界面标准”。
The key function of the non-parallelism under some conditions is shown by the comparison of the results from the classical stability problem of the parallel flow.
与经典的平行流边界层稳定性结果相比，显示了在某些条件下非平行性对稳定性的关键作用。
The search space of parallel query execution plan is exponential complexity. How to prune the search space efficiently is the key problem of parallel query optimization.
并行查询执行计划的搜索空间里指数级增长，如何高效地裁剪搜索空间是并行查询优化的关键所在。
The granularity of parallelism is one of the key problem in the parallel processing system.
并行粒度是并行处理系统的关键问题之一。
The thesis analyses the key technology of computer parallel architecture by constructing a system for dual-computer system parallel processing.
本文通过构建一个并行处理双机系统分析了计算机并行系统的关键技术。
In the parallel test System, the testing programs are to compete for instruments concurrently. Therefore, how to allocate instruments and schedule task is a key to parallel test.
在并行自动化测试系统中，并发执行的多个测试程序会竞争有限的仪器资源，硬件资源的分配与任务调度是并行测试的一个关键问题。
Furthermore, the several key problems about realizing real-time processing utilizing parallel system, distance measurement and auxiliary illumination assembly are discussed in detail in this paper.
此外，针对利用并行处理提高系统实时处理能力、测距技术和辅助照明系统等几个关键技术进行了探讨。
Some key information such as sessions and their corresponding states, operation results were saved by using a two-dimensional linked list in parallel reassembly process.
在并行重组过程中，采用二维链表保存（例如会话列表、相应状态和任务分配结果等）关键信息。
Parallel simulation technology is broadly used in complex system simulations and real-time simulations, and rollback is a key factor to the performance of optimistic parallel simulation.
并行仿真技术广泛应用于复杂系统仿真以及实时仿真中，回退是影响乐观并行仿真性能的关键因素。
Design code and key technical points for main tunnel and parallel heading of East Qinling Super-long Tunnel are introduced.
介绍东秦岭特长隧道工程正洞及平行导坑的设计标准、施工技术要点。
Parallel procession is one of the key technique in the world today.
并行处理是当今世界的关键技术之一。
In this paper, the principle of structure and key to design for some parallel indexing CAM mechanisms with large indexing Angle was introduced.
本文介绍了几种大分度角平行分度凸轮转位机构的结构原理与设计要点。
Secondly, ECNUX platform supports parallel operation, and FPGA has the ability of running in parallel, so the realization of FFT running in parallel is another key problem solved in this paper.
其次，ECNUX平台支持并行操作，并且FPGA也具有并行能力，所以实现并行fft算法是本文解决的另一关键问题。
In this paper, based on a new type of parallel hybrid APF, some key technologies during the design and applications are mainly researched.
本文以并联型注入式混合有源滤波器为基础，就其设计与应用的几项重要技术进行了研究，论文主要包括以下几个方面的内容。
Grid is a significant technology of parallel distributed computing rise in recent years. Resource management is one of its key technologies.
网格是近年兴起的一种重要的并行分布式计算技术，其关键技术之一是对网格中的资源进行管理。
Grid is a significant technology of parallel distributed computing rise in recent years. Resource management is one of its key technologies.
网格是近年兴起的一种重要的并行分布式计算技术，其关键技术之一是对网格中的资源进行管理。
应用推荐