Minimal-variance distributed scheduling under strict demands and deadlines

Abstract

Many modern schedulers can dynamically adjust their service capacity to match the incoming workload. At the same time, however, variability in service capacity often incurs operational and infrastructure costs. In this abstract, we characterize an optimal distributed algorithm that minimizes service capacity variability when scheduling jobs with deadlines. Specifically, we show that Exact Scheduling minimizes service capacity variance subject to strict demand and deadline requirements under stationary Poisson arrivals. Moreover, we show how close the performance of the optimal distributed algorithm is to that of the optimal centralized algorithm by deriving a competitive-ratio-like bound.

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Published - p12-nakahira.pdf

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