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Load-Balancing for WAN Warehouses

机译:WAN仓库的负载平衡

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Although the basic Data Warehouse schema concept is centralized, there are increasingly application domains in which there is the need to have several sites or computers input and analyze the data, therefore distributed data placement and processing is necessary. Given that sites may have different amounts of data and different processing capacities, how can we conform to the placement requirements of the context and balance such a system effectively? In WAN environments the network speed is a very relevant factor and there are application requirements concerning the place where each piece of data stays, based on who produced the data (ownership). We propose a new strategy that accepts the placement requirements of the desired context and uses an effective automatic approach to determine fixed-sized chunks and to balance and process those chunks efficiently. Our experimental results show the validity of the approach and how to minimize the context limitations.
机译:尽管基本的数据仓库架构概念是集中的,但是越来越多的应用程序域中需要有多个站点或计算机来输入和分析数据,因此,分布式数据放置和处理是必需的。鉴于站点可能具有不同的数据量和不同的处理能力,我们如何才能符合上下文的放置要求并有效地平衡这种系统?在WAN环境中,网络速度是一个非常重要的因素,并且根据谁产生数据(所有权),存在关于每个数据驻留位置的应用程序要求。我们提出了一种新策略,该策略接受所需上下文的放置要求,并使用有效的自动方法来确定固定大小的块并有效地平衡和处理这些块。我们的实验结果表明了该方法的有效性以及如何最小化上下文限制。

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