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Task Scheduling in Grid Computing Systems Constrained by Resource Availability

In this paper, a survey of some of the approaches to task scheduling in grid computing systems based on resource availability is discussed. To improve task scheduling, resource availability can be predicted by multistate availability predictors. Execution time of each application is modeled by a random variable. Each application is associated with a set of Probability Mass Function (pmf), one pmf for each machine in the Heterogeneous computing suite, describing the probability of all possible execution times for that application. Stochastic completion times require the summation of random variables. The MaxRobust heuristic applies a simple greedy approach to maximizing the stochastic robustness of the resource allocation.

Provided by: International Journal of Engineering and Innovative Technology (IJEIT) Topic: Data Centers Date Added: Mar 2013 Format: PDF

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