Dynamic queue prioritization by modifying priority value based o

Details Dynamic queue prioritization by modifying priority value based o Dynamic queue prioritization by modifying priority value based o

1995-12-06

1999-08-10

Dinh, Dung C.

395861, 395670, 395732, G06F 1318

Patent

active

059372052

ABSTRACT:
In a data processing system having a plurality of queues for prioritizing I/O requests to a storage device, the priority of the queues for servicing is dynamically adjustable as opposed to each queue having a fixed priority. Dynamically adjusting the priority of a queue allows the priority of a queue with "stuck" requests to be raised so the "stuck" requests can be serviced very quickly.

REFERENCES:
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patent: 5140682 (1992-08-01), Okura et al.
patent: 5504894 (1996-04-01), Ferguson et al.
patent: 5519701 (1996-05-01), Colmant
patent: 5623668 (1997-04-01), Nieuwenhuizen

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