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- W2108999909 abstract "A safe and deadlock free locking policy is introduced, called pre-analysis locking. A transaction system with no lock and unlock operations in the transactions is first being analyzed by the pre-analysis locking algorithm. Then, the result of this analysis is used to insert lock and unlock operations into the transactions with the goal of achieving a degree of concurrency as high as possible. However, pre-analysis locking is merely a heuristic operating in polynomial time; therefore, it is not guaranteed to perform optimally in all cases. In comparison with 2-phase locking, neither pre-analysis locking nor 2-phase locking dominates the other; there exist transaction systems in which pre-analysis locking allows for more concurrency than any 2-phase locking policy, but there are also cases in which a 2-phase locking policy allows for more concurrency than pre-analysis locking. However, preanalysis locking is free from deadlocks, in general." @default.
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- W2108999909 date "1986-08-01" @default.
- W2108999909 modified "2023-09-23" @default.
- W2108999909 title "Pre-analysis locking" @default.
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- W2108999909 doi "https://doi.org/10.1016/s0019-9958(86)80005-5" @default.
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