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2015 IEEE 31st International Conference on Data Engineering (ICDE) (2015)
Seoul, South Korea
April 13, 2015 to April 17, 2015
ISBN: 978-1-4799-7964-6
pp: 1179-1190
Quan Pham , Computation Institute, University of Chicago, Illinois, USA
Tanu Malik , Computation Institute, University of Chicago, Illinois, USA
Boris Glavic , Department of Computer Science, Illinois Institute of Technology, Chicago, USA
Ian Foster , Computation Institute, University of Chicago, Illinois, USA
ABSTRACT
We present a light-weight database virtualization (LDV) system that allows users to share and re-execute applications that operate on a relational database (DB). Previous methods for sharing DB applications, such as companion websites and virtual machine images (VMIs), support neither easy and efficient re-execution nor the sharing of only a relevant DB subset. LDV addresses these issues by monitoring application execution, including DB operations, and using the resulting execution trace to create a lightweight re-executable package. A LDV package includes, in addition to the application, either the DB management system (DBMS) and relevant data or, if the DBMS and/or data cannot be shared, just the application-DBMS communications for replay during re-execution. We introduce a linked DB-operating system provenance model and show how to infer data dependencies based on temporal information about the DB operations performed by the application's process(es). We use this model to determine the DB subset that needs to be included in a package in order to enable re-execution. We compare LDV with other sharing methods in terms of package size, monitoring overhead, and re-execution overhead. We show that LDV packages are often more than an order of magnitude smaller than a VMI for the same application, and have negligible re-execution overhead.
INDEX TERMS
Computational modeling, Data models, Monitoring, Servers, Virtualization, Application virtualization, Joining processes
CITATION

Q. Pham, T. Malik, B. Glavic and I. Foster, "LDV: Light-weight database virtualization," 2015 IEEE 31st International Conference on Data Engineering (ICDE), Seoul, South Korea, 2015, pp. 1179-1190.
doi:10.1109/ICDE.2015.7113366
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