NDLI: Dynamic Provisioning of Virtual Organization Clusters

Content Provider	IEEE Xplore Digital Library
Author	Murphy, M.A. Kagey, B. Fenn, M. Goasguen, S.
Copyright Year	2009
Abstract	Virtual Organization Clusters are systems comprised of virtual machines that provide dedicated computing clusters for each individual Virtual Organization. The design of these clusters allows individual virtual machines to be independent of the underlying physical hardware, potentially allowing virtual clusters to span multiple grid sites. A major challenge in using Virtual Organization Clusters as a grid computing abstraction arises from the need to schedule and provision physical resources to run the virtual machines.This paper describes a virtual cluster scheduler implementation based on the Condor High Throughput Computing system. By means of real-time monitoring of the Condor job queue, virtual machines that belong to individual Virtual Organizations are provisioned and booted. Jobs belonging to each Virtual Organization are then run on the organization-specific virtual machines, which form a cluster dedicated to the specific organization. Once the queued jobs have executed, the virtual machines are terminated, thereby allowing the physical resources to be re-claimed. Tests of this system were conducted using synthetic workloads, demonstrating that dynamic provisioning of virtual machines preserves system throughput for all but the shortest-running of grid jobs, without undue increase in scheduling latency.
Starting Page	364
Ending Page	371
File Size	340060
Page Count	8
File Format	PDF
ISBN	9781424439355
DOI	10.1109/CCGRID.2009.37
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Virtual machining Processor scheduling Throughput Hardware Grid computing Condition monitoring Virtual machine monitors System testing Dynamic scheduling Delay Grid Computing Virtual Organization Cluster Virtual Machine Virtualized Grid
Content Type	Text
Resource Type	Article

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