Locking contention resolution for shared resources

Details Locking contention resolution for shared resources Locking contention resolution for shared resources

1997-11-18

1999-08-17

Amsbury, Wayne

Data processing: database and file management or data structures

Database design

Data structure types

395726, G06F 1730

Patent

active

059408286

ABSTRACT:
Two methods for resolving locking contention for pseudo-deadlocked transactions without rolling back or aborting any of the deadlocked transactions are provided. In one method, one or more shared lock requests from deadlocked transactions are granted ahead of at least one exclusive lock request from a deadlocked transaction. In another method, all shared lock requests from deadlocked transactions are granted ahead of all exclusive lock requests from deadlocked transactions.

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"Locking Processing In A Shared Data Base Environment", D. Gawlick, IBM Technical Disclosure Bulletin, vol. 25, No. 10, pp. 4980-4985, Mar. 1983.

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