RAIN: Always on data warehousing

被引：0
|
作者：
Vieira, Jorge [1 ]
Vieira, Marco [2 ]
Costa, Marco [1 ]
Madeira, Henrique [2 ]
机构：
[1] Crit Software SA, Coimbra, Portugal
[2] Univ Coimbra, CISUC, Dept Informat Engn, Coimbra, Portugal
来源：
DATABASE SYSTEMS FOR ADVANCED APPLICATIONS | 2008年 / 4947卷
关键词：
data warehousing; redundancy; replication; recovery; availability;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The Redundant Arrays of Inexpensive DWS Nodes (RAIN) technique is a node-level data replication approach that introduces failover capabilities to DWS (Data Warehouse Striping) clusters. RAIN is based on the selective replication of fact tables' data across the cluster nodes and endows DWS clusters with the capability of providing query answers even when one or more nodes are unavailable. Two distinct replication modes are supported: simple redundancy (RAIN-0) and stripped redundancy (RAIN-S). In this demo we are going to show a DWS cluster using the RAIN technique, focusing on the execution of queries in the presence of nodes failures and on the process of recovering failed nodes.
引用
收藏
页码：678 / +
页数：2
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