Electrical computers and digital processing systems: memory – Storage accessing and control – Hierarchical memories
Reexamination Certificate
2005-12-06
2005-12-06
Peikari, Behzad James (Department: 2189)
Electrical computers and digital processing systems: memory
Storage accessing and control
Hierarchical memories
C711S129000, C711S130000
Reexamination Certificate
active
06973536
ABSTRACT:
A self-adaptive hybrid cache and method of caching data objects. A set of cacheable data objects is partitioned among a set of cooperating caches (e.g., a cache cluster). A hybrid cache is configured to cache data objects that it owns (i.e., objects in its partition) as primary content and to also cache data objects that are owned by other caches as secondary content (e.g., based on demand for such objects). A hybrid cache stores and/or removes objects based on criteria such as validity, popularity, size, age, cost of replacing, amount of available cache space, whether the objects are primary or secondary, etc. Over time, the amount or ratio of primary and secondary data that a hybrid cache stores may fluctuate dynamically.
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Feenan James
Jacobs Lawrence
Liu Xiang
Porwit Marcin
Wright William
Choi Woo H.
Oracle Corporation
Park Vaughan & Fleming LLP
Peikari Behzad James
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