NDLI: An examination of strategies for estimating capacity to share among private workstations

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Volume 18, Issue 3-4, Fall 1992/Winter 1992

Volume 18, Issue 1-2, Spring/Summer 1992

Management guidelines for PC security

Using public domain multiprecision arithmetic packages for computer security software applications on a personal computer

N-factorial computations, timing, etc.

SCinet '91—Supercomputing '91s gigabit network

Visual programming in an X Windows workstation environment

An examination of strategies for estimating capacity to share among private workstations

Book review: Inside AutoCAD: The Complete AutoCad Guide,, by D. Raker and H. Rice (New Riders Publishing)

An examination of strategies for estimating capacity to share among private workstations

Content Provider	ACM Digital Library
Author	Mutka, Matt W.
Abstract	The effective management of a cluster of private workstations requires an examination of the characteristics of the usage patterns of workstations. This paper analyzes workstation usage patterns in order to understand opportunities for exploiting idle capacity. Our study is based on traces of user workstation activity in a university environment. It identifies two areas where enhancements can be made. One identified area is the ability of a manager of the shared capacity of a workstation cluster to schedule jobs with deadline constraints. This opportunity is the result of an ability to make good predictions of the time-varying amount of capacity that is available for sharing. A simple prediction strategy is developed which is shown to have only a small amount of error. For the second area of enhancement, we show that it is feasible to allocate partitions of workstations for specific periods. This aids those users who on occasions need exclusive access to several machines. We examine the profile of periods during which exclusive access to partitions can be given, the rate that owners preempt users of partitions, and the distribution of inter-preemption intervals.
Starting Page	53
Ending Page	61
Page Count	9
File Format	PDF
ISSN	08932875
DOI	10.1145/134307.134334
Journal	ACM SIGSMALL/PC Notes (SGSM)
Volume Number	18
Issue Number	1-2
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	1990-09-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article

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