Transaction-aware caching for access control metadata
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United States of America Patent
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Jun 3, 2014
Grant Date -
Jul 3, 2008
app pub date -
Mar 14, 2008
filing date -
May 12, 2000
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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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