An approximation for the response time of an open CP-disk system

A. Dekkers; J. Wal, van der

An approximation for the response time of an open CP-disk system

A. Dekkers, J. Wal, van der

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Abstract

In this paper we look in detail at a computer system consisting of one Central Processing Unit (CP) and one Disk. It is visited by jobs with a special kind of workload, one should think for example of database queries. During a visit to the computer system a job is served several times at the CP and several times at the Disk. We give a queueing model representing this system. This model is used to estimate the mean and variance of the response time of these jobs. Numerical examples are compared with a simulation of the system to check the correctness of this method.

Original language	English
Place of Publication	Eindhoven
Publisher	Technische Universiteit Eindhoven
Number of pages	23
Publication status	Published - 1989

Publication series

Name	Memorandum COSOR
Volume	8919
ISSN (Print)	0926-4493

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abstract = "In this paper we look in detail at a computer system consisting of one Central Processing Unit (CP) and one Disk. It is visited by jobs with a special kind of workload, one should think for example of database queries. During a visit to the computer system a job is served several times at the CP and several times at the Disk. We give a queueing model representing this system. This model is used to estimate the mean and variance of the response time of these jobs. Numerical examples are compared with a simulation of the system to check the correctness of this method.",

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AB - In this paper we look in detail at a computer system consisting of one Central Processing Unit (CP) and one Disk. It is visited by jobs with a special kind of workload, one should think for example of database queries. During a visit to the computer system a job is served several times at the CP and several times at the Disk. We give a queueing model representing this system. This model is used to estimate the mean and variance of the response time of these jobs. Numerical examples are compared with a simulation of the system to check the correctness of this method.

M3 - Report

T3 - Memorandum COSOR

BT - An approximation for the response time of an open CP-disk system

PB - Technische Universiteit Eindhoven

CY - Eindhoven

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An approximation for the response time of an open CP-disk system

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