Performance Study of a Centralized Concurrency Control Algorithm for Distributed Database Systems using SIMULA | Zendy

K. Viswanathan Iyer | Zendy

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Performance Study of a Centralized Concurrency Control Algorithm for Distributed Database Systems using SIMULA

Author(s) -

K. Viswanathan Iyer

Publication year - 1986

Publication title -

the computer journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.319

H-Index - 64

eISSN - 1460-2067

pISSN - 0010-4620

DOI - 10.1093/comjnl/29.2.118

Subject(s) - simula , computer science , concurrency control , concurrency , database , distributed database , algorithm , distributed concurrency control , data mining , distributed computing , database transaction , programming language

The stimulation technique has gained much importance in the performance studies of Concurrency Control (CC) algorithms for distributed database systems. However, details regarding the simulation methodology and implementation are seldom mentioned in the literature. One objective of this paper is to elaborate the simulation methodology using SIMULA. Detailed studies have been carried out on a centralised CC algorithm and its modified version. The results compare well with a previously reported study on these algorithms. Here, additional results concerning the update intensiveness of transactions and the degree of conflict are obtained. The degree of conflict is quantitatively measured and it is seen to be a useful performance index. Regression analysis has been carried out on the results, and an optimisation study using the regression model has been performed to minimise the response time. Such a study may prove useful for the design of distributed database systems.

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