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Providing high concurrency in object-oriented database systems

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1 Author(s)
Woochun Jun ; Dept. of Comput. Eng., Seoul Nat. Univ., South Korea

I present a scheme to increase concurrency among instance access methods in object-oriented database systems (OOBs). The proposed work has the following characteristics. First, the construction of the commutativity relation among methods can be automated. Second, it provides more concurrency by taking attributes as locking granularity. Third, deadlocks due to lock escalation can be reduced. Finally, concurrency is increased further with the use of run-time information. For the performance evaluation of the proposed scheme, an analytical model is constructed. Using this model, the proposed technique is then compared with the two existing techniques. The performance studies show that the proposed scheme is superior to existing works

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Database Applications in Non-Traditional Environments, 1999. (DANTE '99) Proceedings. 1999 International Symposium on

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