A Per-object Based Hybrid Concurrency Control

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Existing concurrency control algorithms do not conform well to various environments in the performance perspective. Each algorithm has some assumption on the conflict characteristic of its execution environment, and its performance degrades when the assumption fails. A per-object hybrid scheme integrating a two phase locking algorithm with a parallel validation technique is presented to solve this problem. Read and write accesses on each database object are controlled by one algorithm at a time. This controlling algorithm can alter while transactions are running, in order to enhance the overall system performance. In the simulation study, the proposed scheme with the proposed algorithm alteration strategy is shown to conform well to various execution environments, better than both the two phase locking algorithm and the parallel validation technique.
Publisher
IEEE
Issue Date
1997-09
Citation

8th International Workshop on Database and Expert Systems Applications, Toulouse, France, P. 748 - 753

ISBN
0-8186-8147-0
URI
http://hdl.handle.net/10203/828
Appears in Collection
CS-Conference Papers(학술회의논문)
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