A method for ensuring data coherence while detecting whether the locally cached copy of a data page is invalid and responsively refreshing the locally cached page from a Shared Electronic Store (SES) in a multisystem shared disk environment. Locally cached data pages may become invalid in a multisystem...http://www.google.fr/patents/US5546579?utm_source=gb-gplus-shareBrevet US5546579 - Page refreshing procedure using two locking granularities to ensure cache coherency in a multisystem database processing environment having a high-speed shared electronic store
Page refreshing procedure using two locking granularities to ensure cache ...
