Articles
Vol. 1 No. 4 (2026)
Resource-Change Point Detection for Online Reconfiguration of Scientific Workflows
Graduate School of Informatics, Kyoto University, Kyoto, Japan
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Submitted
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July 27, 2026
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Published
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August 10, 2026
Abstract
The execution of large-scale scientific workflows in modern distributed computing environments faces unprecedented challenges due to inherent resource volatility, performance degradation, and multi-tenancy interference. Traditional static resource provisioning strategies fail to adequately accommodate the dynamic fluctuations of underlying computational and network capacities, leading to suboptimal workflow makespans and severe resource underutilization. This paper presents a comprehensive theoretical and methodological framework for resource-change point detection tailored specifically for the online reconfiguration of scientific workflows. By leveraging advanced time-series analysis and hypothesis testing on streaming monitoring data, the proposed approach identifies structural breaks in resource availability and performance metrics in real-time. Upon detection, a dynamic reconfiguration strategy is triggered, evaluating the cost-benefit ratio of potential adaptation actions such as task migration, horizontal scaling, and dynamic rescheduling. Extensive analysis using simulated and real-world scientific workload traces, including astronomical and genomic applications, demonstrates that the integration of online change point detection with adaptive reconfiguration mechanisms significantly mitigates the impact of resource anomalies. The proposed framework reduces detection latency while maintaining a rigorously bounded false positive rate, ultimately ensuring high-throughput and reliable execution of mission-critical scientific computational tasks.
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