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Article: Priority assignment in distributed real-time databases using optimistic concurrency control

TitlePriority assignment in distributed real-time databases using optimistic concurrency control
Authors
KeywordsAlgorithms
Concurrency Control
Priority Assignment Heuristics
Real-Time Databases
Issue Date1997
PublisherThe Institution of Engineering and Technology. The Journal's web site is located at http://www.ietdl.org/IP-CDT
Citation
IEE Proceedings: Computers And Digital Techniques, 1997, v. 144 n. 5, p. 324-330 How to Cite?
AbstractIn the studies of distributed real-time database systems (DRTDBS), it is always assumed that earliest deadline first (EDF) is employed as the CPU scheduling algorithm. However, using purely (ultimate) deadline for priority assignment may not be suitable because different kinds of transactions, such as global and local transactions, may exist in the system. To improve the performance, more sophisticated priority assignment heuristics have to be employed. In the paper, the performance of different priority assignment heuristics for subtransactions in DRTDBS using optimistic concurrency control (OCC) protocol are investigated. It is found that purely deadline-driven heuristics, which suffice for distributed real-time systems, are not suitable for DRTDBS. On the other hand, the proposed heuristic, which considers both deadline constraint and data contention, can give the best performance. © IEE, 1997.
Persistent Identifierhttp://hdl.handle.net/10722/152264
ISSN
2006 Impact Factor: 0.314
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLam, KYen_US
dc.contributor.authorLee, VCSen_US
dc.contributor.authorHung, SLen_US
dc.contributor.authorKao, BCMen_US
dc.date.accessioned2012-06-26T06:36:50Z-
dc.date.available2012-06-26T06:36:50Z-
dc.date.issued1997en_US
dc.identifier.citationIEE Proceedings: Computers And Digital Techniques, 1997, v. 144 n. 5, p. 324-330en_US
dc.identifier.issn1350-2387en_US
dc.identifier.urihttp://hdl.handle.net/10722/152264-
dc.description.abstractIn the studies of distributed real-time database systems (DRTDBS), it is always assumed that earliest deadline first (EDF) is employed as the CPU scheduling algorithm. However, using purely (ultimate) deadline for priority assignment may not be suitable because different kinds of transactions, such as global and local transactions, may exist in the system. To improve the performance, more sophisticated priority assignment heuristics have to be employed. In the paper, the performance of different priority assignment heuristics for subtransactions in DRTDBS using optimistic concurrency control (OCC) protocol are investigated. It is found that purely deadline-driven heuristics, which suffice for distributed real-time systems, are not suitable for DRTDBS. On the other hand, the proposed heuristic, which considers both deadline constraint and data contention, can give the best performance. © IEE, 1997.en_US
dc.languageengen_US
dc.publisherThe Institution of Engineering and Technology. The Journal's web site is located at http://www.ietdl.org/IP-CDTen_US
dc.relation.ispartofIEE Proceedings: Computers and Digital Techniquesen_US
dc.subjectAlgorithmsen_US
dc.subjectConcurrency Controlen_US
dc.subjectPriority Assignment Heuristicsen_US
dc.subjectReal-Time Databasesen_US
dc.titlePriority assignment in distributed real-time databases using optimistic concurrency controlen_US
dc.typeArticleen_US
dc.identifier.emailKao, BCM:kao@cs.hku.hken_US
dc.identifier.authorityKao, BCM=rp00123en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1049/ip-cdt:19971496-
dc.identifier.scopuseid_2-s2.0-0031233705en_US
dc.identifier.hkuros42178-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031233705&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume144en_US
dc.identifier.issue5en_US
dc.identifier.spage324en_US
dc.identifier.epage330en_US
dc.identifier.isiWOS:000073870700011-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridLam, KY=7403656886en_US
dc.identifier.scopusauthoridLee, VCS=7402507432en_US
dc.identifier.scopusauthoridHung, SL=7201936153en_US
dc.identifier.scopusauthoridKao, BCM=35221592600en_US

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