The effect of system workload on error latency: An experimental study

R. Chillarege, R. K. Iyer

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper, a methodology for determining and characterizing error latency is developed. The method is based on real workload data, gathered by an experiment instrumented on a VAX 11/780 during the normal workload cycle of the installation. This is the first attempt at jointly studying error latency and workload variations in a full production system. Distributions of error latency were generated by simulating the occurrence of faults under varying workload conditions. A family of error latency distributions so generated illustrate that error latency is not so much a function of when in time a fault occurred but rather a function of the workload that followed the failure. The study finds that the mean error latency varies by a 1 to 8 (hours) ratio between high and low workloads. The method is general and can be applied to any system.

Original languageEnglish (US)
Title of host publicationProceedings of the 1985 ACM SIGMETRICS Conference on Measurement and Modeling of Computer Systems, SIGMETRICS 1985
EditorsBlaine D. Gaither
PublisherAssociation for Computing Machinery, Inc
Pages69-77
Number of pages9
ISBN (Electronic)0897911695, 9780897911696
DOIs
StatePublished - Aug 1 1985
Event1985 ACM SIGMETRICS Conference on Measurement and Modeling of Computer Systems, SIGMETRICS 1985 - Austin, United States
Duration: Aug 26 1985Aug 29 1985

Publication series

NameProceedings of the 1985 ACM SIGMETRICS Conference on Measurement and Modeling of Computer Systems, SIGMETRICS 1985

Other

Other1985 ACM SIGMETRICS Conference on Measurement and Modeling of Computer Systems, SIGMETRICS 1985
CountryUnited States
CityAustin
Period8/26/858/29/85

ASJC Scopus subject areas

  • Computational Theory and Mathematics
  • Hardware and Architecture
  • Computer Networks and Communications
  • Software

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