Method and system for data element change across multiple...

Details Method and system for data element change across multiple... Method and system for data element change across multiple...

2005-08-30

2005-08-30

Sparks, Donald (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S141000, C711S152000, C710S200000, C710S220000, C707S793000, C707S793000, C707S793000

Reexamination Certificate

active

06938139

ABSTRACT:
A method and system for updating and maintaining cache coherency across nodes in a cluster. The method uses a combination of read and write locks on the instances of the cache, with some embodiments using a master locking database. Periodic validations of timestamps are used to identify lack of coherency of the cache, such as resulting from a network failure.

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patent: 6584548 (2003-06-01), Bourne et al.
patent: 2002/0046326 (2002-04-01), Devereux

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