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A new methodology to evaluate locking protocols

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2 Author(s)
Huang, Y.-F. ; Dept. of Inf. Eng., Tatung Inst. of Technol., Taiwan ; Yeh-Hao Chin

The average lock range (ALR) is proposed as an evaluation factor for measuring the strengths and weaknesses of locking-based concurrency control methods, for both structural and nonstructural locking. The methodology provides a simple and general way to analyze the performance of any locking method, and requires no queueing model. Based on the concept of the ALR, two popular locking protocols, the 2PL protocol and the tree protocol, are analyzed and a simulation is done to validate the correctness of the ALR model

Published in:

Knowledge and Data Engineering, IEEE Transactions on  (Volume:2 ,  Issue: 4 )

Date of Publication:

Dec 1990

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