Transaction-aware caching for access control metadata

Details Transaction-aware caching for access control metadata Transaction-aware caching for access control metadata

2007-04-10

2007-04-10

Gaffin, Jeffrey (Department: 2161)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000

Reexamination Certificate

active

10452164

ABSTRACT:
Techniques are provided for performing transaction-aware caching of metadata in an electronic file system. A mechanism is described for providing transaction-aware caching that uses a cache hierarchy, where the cache hierarchy includes uncommitted caches associated with sessions in an application and a committed cache that is shared among the sessions in that application. Techniques are described for caching document metadata, access control metadata and folder path metadata. Also described is a technique for using negative cache entries to avoid unnecessary communications with a server when applications repeatedly request non-existent data.

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