Resource management using multiple feedback loops in soft real-time distributed object systems

Authors:
Vana Kalogeraki;P. M. Melliar-Smith;L. E. Moser;Y. Drougas
Affiliations:
Department of Computer Science and Engineering, University of California, Riverside, CA 92521, United States;Department of Electrical and Computer Engineering, University of California, Santa Barbara, CA 93106, United States;Department of Electrical and Computer Engineering, University of California, Santa Barbara, CA 93106, United States;Department of Computer Science and Engineering, University of California, Riverside, CA 92521, United States
Venue:
Journal of Systems and Software
Year:
2008

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Abstract

This paper describes a Resource Management System for a soft real-time distributed object system that is based on a three-level feedback loop. The Resource Management System employs a profiling algorithm that monitors the usage of the resources, a least laxity scheduling algorithm that schedules the methods of the tasks, and hot spot and cooling algorithms that allocate and migrate objects to balance the loads on the resources. The Resource Management System consists of a single Resource Manager for the distributed system, and a Profiler and a Scheduler located on each of the processors in the distributed system.