| Y. Li, S.-M. Tan, Z. Chen, and R. H. Campbell. Disk scheduling with dynamic request priorities. Technical report. University of Illinois at Urbana-Champaign, IL, August 1995. |
....is relaxed but is non scalable [38] In addition to the work done in different reconfiguration mechanisms, many groups have applied online reconfiguration to systems and achieved a variety of benefits. Many different adaptive techniques have been implemented to improve system performance [2, 25, 35]. Extensible operating systems have shown performance benefits for a number of interesting applications [7, 19, 49] Technologies such as compiler directed I O prefetching [10] and storage latency estimation descriptors [39] improve application performance using detailed knowledge about the state ....
Y. Li, S.-M. Tan, Z. Chen, and R. H. Campbell. Disk scheduling with dynamic request priorities. Technical report. University of Illinois at UrbanaChampaign, IL, August 1995.
....usually are considered to be trade secrets. This section will discuss a few success stories. 4. 1 Disks Disk Scheduling Numerous studies have investigated the performance of disk I O scheduling algorithms involving command queuing (e.g. 18, 51, 52, 63, 64, 65] real time applications (e.g. [66, 67, 68, 69]) and database applications (e.g. 70] Event driven simulation studies of disk scheduling algorithms that use rotational position information appear in [52] these studies were used by Hewlett Packard s Disk Memory Division in the design of products. Disk Cache Performance evaluation methods ....
Y. Li, S.-M. Tan, Z. Chen, and R. H. Campbell, \Disk scheduling with dynamic request priorities," tech. rep., Department of Computer Science, University of Illinois at Urbana-Champaign, IL, Aug. 1995.
.... algorithms for real time applications: priority FCFS [Abbott89] EDF (Earliest Deadline First) P SCAN (Priority SCAN) FDSCAN (Feasible Deadline SCAN) SSEDO (Shortest Seek and Earliest Deadline by Ordering) SSEDV (Shortest Seek and Earliest Deadline by Value) Chen90] Greedy Priority Inversion [Li95], and Preempted Missed Only (PMO) Chen94] There has also been research in scheduling algorithms 40 for database applications (Priority based scheduling [Carey89] and in distributed scheduling [Worthington95a] We restrict our attention to FCFS, CLOOK, and SPTF because: FCFS is the standard ....
Yongcheng Li, See-Mong Tan, Zhigang Chen, and Roy H. Campbell. Disk scheduling with dynamic request priorities. Technical report. University of Illinois at Urbana-Champaign, IL, August 1995.
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Y. Li, S.-M. Tan, Z. Chen, and R. H. Campbell. Disk scheduling with dynamic request priorities. Technical report. University of Illinois at Urbana-Champaign, IL, August 1995.
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