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Segmentation in a Distributed Real-Time Main-Memory Database
University of Skövde, Department of Computer Science.
2002 (English)Independent thesis Advanced level (degree of Master (One Year))Student thesis
Abstract [en]

To achieve better scalability, a fully replicated, distributed, main-memory database is divided into subparts, called segments. Segments may have individual degrees of redundancy and other properties that can be used for replication control. Segmentation is examined for the opportunity of decreasing replication effort, lower memory requirements and decrease node recovery times. Typical usage scenarios are distributed databases with many nodes where only a small number of the nodes share information. We present a framework for virtual full replication that implements segments with scheduled replication of updates between sharing nodes.

Selective replication control needs information about the application semantics that is specified using segment properties, which includes consistency classes and other properties. We define a syntax for specifying the application semantics and segment properties for the segmented database. In particular, properties of segments that are subject to hard real-time constraints must be specified. We also analyze the potential improvements for such an architecture.

Place, publisher, year, edition, pages
Skövde: Institutionen för datavetenskap , 2002. , 115 p.
Keyword [en]
virtual, full replication, segmentation consistency
National Category
Information Science
Identifiers
URN: urn:nbn:se:his:diva-737OAI: oai:DiVA.org:his-737DiVA: diva2:3140
Presentation
(English)
Uppsok
Social and Behavioural Science, Law
Supervisors
Available from: 2008-02-06 Created: 2008-02-06 Last updated: 2009-11-30

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf