A Distributed Tree Data Structure For Real-Time OLAP On Cloud Architectures

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Provided by: Institute of Electrical & Electronic Engineers
Topic: Data Management
Format: PDF
In contrast to queries for On-Line Transaction Processing (OLTP) systems that typically access only a small portion of a database, OLAP queries may need to aggregate large portions of a database which often leads to performance issues. In this paper, the authors introduce CR-OLAP, a Cloud based Real-time OLAP system based on a new distributed index structure for OLAP, the distributed PDCR tree, that utilizes a cloud infrastructure consisting of (m + 1) multi-core processors.
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