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Smart Partitioning Mechanism for Dealing with Intermediate Data Skew in Reduce Task on Cloud Computing

机译:用于减少Cloud Computing任务中的中间数据偏差的智能分区机制

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MapReduce greatly alleviates the burdens of programmers and gradually becomes an application programming standard on cloud computing nowadays, because the run-time system of cloud computing can automatically handle the issues of paralleled and distributed programming on behalf of programmers at run time. Although MapReduce can strongly benefit programmers on developing cloud computing applications, intermediate data skew inevitably hurts application performances. MapReduce can use the Smart Partitioning Mechanism (SPM) proposed in this paper as an alternative solution to deal with intermediate data skew in Reduce tasks on cloud computing. With the capability of averagely distributing intermediate data over Slave nodes in SPM, MapReduce no longer suffers from the performance penalty resulting from the intermediate data skew problem in Reduce tasks on cloud computing.
机译:MapReduce极大地减轻了程序员的负担,并逐渐成为当今云计算上的应用程序编程标准,因为云计算的运行时系统可以在运行时代表程序员自动处理并行和分布式编程的问题。尽管MapReduce可以使程序员在开发云计算应用程序时受益匪浅,但中间数据的偏斜不可避免地会损害应用程序的性能。 MapReduce可以使用本文中提出的智能分区机制(SPM)作为替代解决方案,以解决“云计算中的Reduce”任务中的中间数据偏斜。凭借在SPM中的Slave节点上平均分配中间数据的能力,MapReduce不再遭受因减少云计算中的任务中的中间数据偏斜问题而导致的性能损失。

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