Method and apparatus to utilize free cache in a storage system

Details Method and apparatus to utilize free cache in a storage system Method and apparatus to utilize free cache in a storage system

2011-02-22

2011-02-22

Vital, Pierre M (Department: 2156)

Data processing: database and file management or data structures

Database design

Database and data structure management

Reexamination Certificate

active

07895244

ABSTRACT:
A system is provided to improve performance of a storage system. The system comprises a multi-tier buffer cache. The buffer cache may include a global cache to store resources for servicing requests issued from one or more processes at the same time, a free cache to receive resources from the global cache and to store the received resources as free resources, and a local cache to receive free resources from the free cache, the received free resources to store resources that can be accessed by a single process at one time. The system may further include a buffer cache manager to manage transferring resources from the global cache to the free cache and from the free cache to the local cache.

REFERENCES:
patent: 6757769 (2004-06-01), Ofer
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patent: 2002/0078303 (2002-06-01), Rozario et al.
patent: 2002/0099729 (2002-07-01), Chandrasekaran et al.
patent: 2004/0123028 (2004-06-01), Kanai et al.

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