Cache mode selection method for dynamically selecting a cache mo

Details Cache mode selection method for dynamically selecting a cache mo Cache mode selection method for dynamically selecting a cache mo

1993-02-24

1997-04-29

Chan, Eddie P.

395466, 395440, G06F 1316

Patent

active

056257945

ABSTRACT:
A cache mode selection method and system sets to a cache load inhibit mode a cache mode used for a random access dataset of lower access hit ratio if use ratio of a data transmission path exceeds beyond an upper use ratio limit. It also sets to the cache load inhibit mode the cache mode used by parts of a sequential access dataset. These make it possible to select a proper cache mode depending on state of a load dynamically to prevent an I/O response from decreasing so that the hit ratio can be increased.

REFERENCES:
patent: 4500954 (1985-02-01), Duke et al.
patent: 4956803 (1990-09-01), Taylor et al.
patent: 5131087 (1992-07-01), Warr
CMG '90 Proceedings, "Dynamic Cache Management Can I/O Tuning be Automated", J.G. Aschoff, International Conference for the Management & Performance Evaluation of Computer Systems, Orlando, Florida, Dec. 10-14, 1990.
HITAC, H-8538-C1 and H-8598 (Translation) Translated Sections 3.5.

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