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Materialized view maintenance in columnar storage for massive data analysis

机译:列式存储中的物化视图维护,用于海量数据分析

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Data-intensive computing becomes a buzz word nowadays, where constant data for current operational processing and historical data for massive analysis are often separated into two systems. How to keep the historical data for analysis (often in a materialized view manner) consistent with their data sources (often in the operational databases) is the main problem to be solved imperatively. In this paper, we proposed a novel method for data consistency maintenance between the data located in the two systems. Two basic operators (i.e., insertion and deletion) for consistency maintenance are provided as well as their implementations in the new environment of column-oriented storage on large-scale data analysis platform for efficient processing. Two data consistency models (i.e., eventual consistency model and timeline-based consistency model) are proposed to tradeoff data consistency for processing efficiency. Our extensive experimental evaluation also proves the efficiency and effectiveness of our proposed methods.
机译:如今,数据密集型计算成为流行语,经常将用于当前操作处理的恒定数据和用于大规模分析的历史数据分为两个系统。如何使历史数据(通常以物化视图的方式)与数据源(通常在操作数据库中)保持一致,是亟待解决的主要问题。在本文中,我们提出了一种新的方法来维护位于两个系统中的数据之间的数据一致性。提供了两个用于保持一致性的基本运算符(即插入和删除),以及它们在大型数据分析平台上用于高效处理的列式存储新环境中的实现。提出了两种数据一致性模型(即,最终一致性模型和基于时间轴的一致性模型)来权衡数据一致性以提高处理效率。我们广泛的实验评估也证明了我们提出的方法的效率和有效性。

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