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 Anticipatory lock mode conversions in a lock management system

Details
Inventors: Chan, Wilson Wai Shun;
Assignee: Oracle International Corporation (Redwood Shores, CA)
Primary Examiner: Ray; Gopal C.
Assistant Examiner:
Attorney, Agent or Firm: Hickman Palermo Truong & Becker LLP, Becker; Edward A.

A method and apparatus for managing access to a resource using anticipatory lock conversions in a distributed lock management system is provided. According to the method, when an entity requests a lock on a resource, the entity is granted, if possible, a lock with a more restrictive lock mode than is required if it is determined that the entity may require the more restrictive lock mode in the near future.

DETAILED DESCRIPTION A method and apparatus for managing access to a resource using anticipatory lock conversions in a distributed lock management system is provided.
According to one aspect of the invention, a lock conversion request with respect to any resource may contain an anticipatory lock conversion request.
A distributed lock manager, if it can, will grant the more restrictive lock mode indicated by the anticipatory lock conversion request.



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