Methods and apparatus for coordinating a plurality of...

Details Methods and apparatus for coordinating a plurality of... Methods and apparatus for coordinating a plurality of...

2005-12-27

2005-12-27

Bragdon, Reginald G. (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S144000, C711S129000, C709S203000

Reexamination Certificate

active

06981098

ABSTRACT:
Techniques for improved cache management are provided. In particular, the invention provides techniques for improving the task of updating a cache by efficiently and intelligently combining and controlling cache update operations. For example, a technique may comprise the following steps. A set of keys is determined such that at least one key in the set corresponds to an object in an unknown state. Requests to keys in the set are suspended while the cache is being updated. That is, the set of keys is set to an offline status, i.e., not accepting any request for a key in the set. Then, the set is placed back to an online status, i.e., accepting requests for a key in the set, after the update to the cache is complete.

REFERENCES:
patent: 6799251 (2004-09-01), Jacobs et al.
J. Challenger et al., “A Scalable System for Consistently Caching Dynamic Web Data,” Proceedings of INFOCOM '99, 10 pages.
J. Song et al., “Design Alternatives for Scalable Web Server Accelerators,” Proceedings of the 2000 IEEE International Symposium on Performance Analysis of Systems and Software (ISPASS-2000), Austin, Texas, 20 pages, Apr. 2000.

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