Patent ID: 7203709
Filing Date: 2007-04-10
Classification: H04L,Y10S

Abstract:
1. A computer implemented method for maintaining folder path metadata for a file in a cache hierarchy comprising the steps of: storing within a first cache a first version of said folder path metadata that includes only changes made by a transaction associated with said first cache; storing within a second cache a second version of said folder path metadata that does not include said changes made by said transaction; storing within a third cache folder path metadata that includes only changes made by a transaction associated with said third cache; providing data from said first version of said folder path metadata to said transaction associated with said first cache; providing data from said second version of said folder path metadata to transactions other than said transaction until said transaction associated with said first cache successfully terminates; maintaining folder path metadata by invalidating said second version of said folder path metadata when said transaction associated with said first cache successfully terminates; receiving a request for an operation related to a file stored in a database system; processing said request by: