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Please use this identifier to cite or link to this item: http://hdl.handle.net/1783.1/160
Title: An adaptive peer-to-peer network for distributed caching of OLAP results
Authors: Kalnis, Panagiotis
Ng, Wee Siong
Ooi, Beng Chin
Papadias, Dimitris
Tan, Kian-Lee
Keywords: P2P
OLAP
Query
Cache
Issue Date: 2002
Citation: Proceedings / ACM-SIGMOD International Conference on Management of Data, Madison, WI, USA, 3-6 June 2002, ACM, New York, USA, 2002, p. 25-36
Abstract: Peer-to-Peer (P2P) systems are becoming increasingly popular as they enable users to exchange digital information by participating in complex networks. Such systems are inexpensive, easy to use, highly scalable and do not require central administration. Despite their advantages, however, limited work has been done on employing database systems on top of P2P networks. Here we propose the PeerOLAP architecture for supporting On-Line Analytical Processing queries. A large number of low-end clients, each containing a cache with the most useful results, are connected through an arbitrary P2P network. If a query cannot be answered locally (i.e. by using the cache contents of the computer where it is issued), it is propagated through the network until a peer that has cached the answer is found. An answer may also be constructed by partial results from many peers. Thus PeerOLAP acts as a large distributed cache, which amplifies the benefits of traditional client-side caching. The system is fully distributed and can reconfigure itself on-the-fly in order to decrease the query cost for the observed workload. This paper describes the core components of PeerOLAP and presents our results both from simulation and a prototype installation running on geographically remote peers.
Rights: © ACM, 2002. This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution. The definitive version was published in Proceedings / ACM-SIGMOD International Conference on Management of Data, Madison, WI, USA, 3-6 June 2002, ACM, New York, USA, 2002, p. 25-36
URI: http://hdl.handle.net/1783.1/160
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