NDLI: Modeling the Latency on Production Grids with Respect to the Execution Context

Content Provider	IEEE Xplore Digital Library
Author	Lingrand, D. Montagnat, J. Glatard, T.
Copyright Year	2008
Description	Author affiliation: Sophia Antipolis / CNRS, Nice Univ., Nice (Lingrand, D.; Montagnat, J.)
Abstract	In this paper, we study grid jobs submission latency. The latency highly impacts performances on production grids, due to its high values and variations. It is particularly prejudicial for determining the status and expected duration of jobs and it makes outliers detection difficult. In previous work, a probabilistic model of the latency has been presented. It allows to estimate the best timeout value considering a given distribution of jobs latencies. This time-out value is then used in a job resubmission strategy. The purpose of this paper is to evaluate to what extent updating this model with relevant contextual parameters can help to refine the latency estimation. Experiments on the EGEE production grid show that the choice of the resource broker or the computing site has a statistically significant influence on the jobs latency. We exploit this contextual information to propose a reliable job submission strategy.
Starting Page	753
Ending Page	758
File Size	418761
Page Count	6
File Format	PDF
ISBN	9780769531564
DOI	10.1109/CCGRID.2008.43
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-19
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Context modeling Delay Grid computing Biomedical informatics Job production systems Middleware Density functional theory Supercomputers Processor scheduling Failure analysis latency model production grid
Content Type	Text
Resource Type	Article

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