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Virtual Full Replication: Achieving Scalability in Distributed Real-Time Main-Memory Systems
University of Skövde. (Distributed Real-time Systems Group)
University of Skövde. (Distributed Real-time Systems Group)
2003 (English)In: Proc. 15th Euromicro Conference on Real-Time Systems '03: WiP session, 2003, 33-36 p.Conference paper, Published paper (Refereed)
Abstract [en]

To achieve better scalability in a fully replicated distributed main-memory database, we propose support for virtual full replication. Full replication is often necessary for availability and predictability in critical embedded applications. In the fully replicated database, however, all updates are sent to all nodes, regardless of whether the data is ever used at every node. Virtual full replication is a concept that improves scalability without changing the application’s assumption of having access to a fully replicated database. We support virtual full replication by segmenting the database and allowing segments to have individual degrees of replication. This decreases the replication effort, lowers overall memory requirements for data and decreases node recovery time. Typical scenarios include distributed databases with many nodes, where often only a small number of the nodes need to share the same subset of information. We have previously specified a segmentation syntax for specifying important application semantics and outlined an implementation. Here, we analyze the potential scalability improvements in such an architecture.

Place, publisher, year, edition, pages
2003. 33-36 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-28205ISBN: 972-8688-11-3 (print)OAI: oai:DiVA.org:liu-28205DiVA: diva2:248884
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2009-10-09

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Mathiason, GunnarAndler, Sten F.

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  • apa
  • harvard1
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Language
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  • nn-NB
  • sv-SE
  • Other locale
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Output format
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