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Computer Engineering Commons

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Computer Science and Engineering: Theses, Dissertations, and Student Research

Data Storage Systems

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Feature Extraction And Parallel Visualization For Large-Scale Scientific Data, Lina Yu Sep 2017

Feature Extraction And Parallel Visualization For Large-Scale Scientific Data, Lina Yu

Computer Science and Engineering: Theses, Dissertations, and Student Research

Advanced computing and sensing technologies enable scientists to study natural and physical phenomena with unprecedented precision, resulting in an explosive growth of data. The unprecedented amounts of data generated from large scientific simulations impose a grand challenge in data analytics and visualization due to the fact that data are too massive for transferring, storing, and processing.

This dissertation makes the first contribution to the design of novel transfer functions and application-aware data replacement policy to facilitate feature classification on highly parallel distributed systems. We design novel transfer functions that advance the classification of continuously changed volume data by combining the ...


On Optimizations Of Virtual Machine Live Storage Migration For The Cloud, Yaodong Yang Jul 2016

On Optimizations Of Virtual Machine Live Storage Migration For The Cloud, Yaodong Yang

Computer Science and Engineering: Theses, Dissertations, and Student Research

Virtual Machine (VM) live storage migration is widely performed in the data cen- ters of the Cloud, for the purposes of load balance, reliability, availability, hardware maintenance and system upgrade. It entails moving all the state information of the VM being migrated, including memory state, network state and storage state, from one physical server to another within the same data center or across different data centers. To minimize its performance impact, this migration process is required to be transparent to applications running within the migrating VM, meaning that ap- plications will keep running inside the VM as if there were ...