Automatically assigned DDC number: 00574

Manually assigned DDC number: 005758

Number of references: 4

Title: Concurrency Control in Distributed Object-Oriented Database Systems

Author:

Author:

Subject: Olav S,Kjell Bratbergsengen Concurrency Control in Distributed Object-Oriented Database Systems

Description: Simulating distributed database systems is inherently difficult, as there are many factors that may influence the results. This includes architectural options as well as workloadand data distribution. In this paper we present the DBsim simulator and some simulation results. The DBsim simulator architecture is extendible, and it is easy to change parameters and configuration. The simulation results in this paper is a comparison of performanceand responsetimes for two concurrency control algorithms, timestamp ordering and two-phase locking. The simulations have been run with different number of nodes, network types, data declustering and workloads. The results show that for a mix of small and long transactions, the throughput is significantly higher for a system with a timestamp ordering scheduler than for a system with a two-phase locking scheduler. With only short transactions, the performance of the two schedulers are almost identical. Long transactions are treated more fair by a two...

Contributor: The Pennsylvania State University CiteSeer Archives

Publisher: unknown

Date: 1997-10-04

Pubyear: 1997

Format: ps

Identifier: http://citeseer.ist.psu.edu/144690.html

Source: http://www.idt.ntnu.no/IDT/grupper/DB-grp/tech_papers/ADBIS97_dbsim/adbis97.ps

Language: en

Relation:

Relation:

Relation:

Relation:

Rights: unrestricted

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