Method for managing lock escalation in a multiprocessing, multip

Details Method for managing lock escalation in a multiprocessing, multip Method for managing lock escalation in a multiprocessing, multip

1986-02-03

1987-12-29

Zache, Raulfe B.

Boots, shoes, and leggings

G06F 946

Patent

active

047165286

ABSTRACT:
A method utilizing a coordinated pair of locking limits for managing concurrency and lock granularity tradeoff relations. A first limit is placed on the number of small granularity locks per resource. A second limit is placed on the number of locks assignable to each process. When the first number of small locks is reached, the method withdraws the small locks and grants only one lock to the entire resource (lock escalation). When a process requests an additional lock over the second limit, the lock is refused.

REFERENCES:
patent: 4574350 (1986-03-01), Starr

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