ENHANCING DATA CACHING PERFORMANCE

For a cache in which a plurality of frequently accessed data segments are temporarily stored, reference count information of the plurality of data segments, in conjunction with least recently used (LRU) information, is used to determine a length of time to retain the plurality of data segments in th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ROY, Subhojit, HYDE, II, Joseph S
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:For a cache in which a plurality of frequently accessed data segments are temporarily stored, reference count information of the plurality of data segments, in conjunction with least recently used (LRU) information, is used to determine a length of time to retain the plurality of data segments in the cache according to a predetermined weight, where notwithstanding the LRU information, those of the plurality of data segments having a higher reference counts are retained longer than those having lower reference counts.