Simulation and user analysis of BaBar data in a distributed cloud

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TypeArticle
Proceedings titleProceedings of Science
Conference1st International Symposium on Grids and Clouds, ISGC 2011, Held in Conjunction with the 31st Open Grid Forum, OGF 2011, 19 March 2011 through 25 March 2011, Taipei
ISSN1824-8039
SubjectApplication codes; BABAR experiment; Compute clouds; Computing sites; Computing system; Distributed clouds; Simulation and analysis; Virtual machines; Monte Carlo methods; Scheduling; Computer systems
AbstractWe present a distributed cloud computing system that is being used for the simulation and analysis of data from the BaBar experiment. The clouds include academic and commercial computing sites across Canada and the United States that are utilized in a unified infrastructure. Users retrieve a virtual machine (VM) with pre-installed application code; they modify the VM for their analysis and store it in a repository. The users prepare their job scripts as they would in a standard batch environment and submit them to a Condor job scheduler. The job scripts contain a link to the VM required for the job. A separate component, called Cloud Scheduler, reads the job queue and boots the requiredVMon one of the available compute clouds. The system is able to utilize clouds configured with various cloud Infrastructure-as-a-Service software such as Nimbus, Eucalyptus and Amazon EC2. We find that the analysis jobs are able to run with high efficiency even if the data is located at distant locations. We will show that the distributed cloud system is an effective environment for user analysis and Monte Carlo simulation.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC)
Peer reviewedYes
NPARC number21271649
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Record identifier75b0ef38-2b20-4596-9c69-f9b2b14a8d10
Record created2014-03-24
Record modified2016-05-09
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