Method and apparatus to utilize free cache in a storage system
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United States of America Patent
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Oct 20, 2009
Grant Date -
N/A
app pub date -
Feb 14, 2006
filing date -
Feb 14, 2006
priority date (Note) -
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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.
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