CRESON: Callable and Replicated Shared Objects over NoSQL

Sutra, Pierre;Riviere, Etienne;Cotes, Cristian;Artigas, Marc Sanchez;Zamarreno, Galder;et.al.
(2017) 2017 IEEE 37th International Conference on Distributed Computing Systems (ICDCS) — Location: Atlanta, GA, USA (5.June.2017)

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Authors
  • Sutra, PierreTelecom SudParis, Univ. Paris-Saclay, Evry, France
    Author
  • Riviere, EtienneUCLouvain
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  • Cotes, CristianUniv. Rovira i Virgili, Tarragona, Spain
    Author
  • Artigas, Marc SanchezUniv. Rovira i Virgili, Tarragona, Spain
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  • Zamarreno, GalderRed Hat
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Abstract
Abstract: In a Cloud environment, the ability to share and persist objects simplifies the design of applications. Storing objects in a NoSQL database ensures their availability and provides scalability to applications. When Object-NoSQL Mapping is performed at the client side, objects that are accessed by several clients are repeatedly converted between their in-memory and serialized representations. This negatively impacts performance and increases replication costs. In this paper, we describe the design of CRESON, a system supporting callable objects over NoSQL, in which application objects are mapped and instantiated directly on the storage nodes. CRESON supports composition by reference and ensures strong consistency. Objects are replicated and maintained coherent using State Machine Replication. The implementation of CRESON leverages the support of a listenable key-value store (LKVS), a novel NoSQL storage abstraction that we introduce in this paper. We discuss the performance and complexity of CRESON with the example of the portage of a personal cloud storage service, initially developed using an object-relational mapping over a sharded PostgreSQL database. Our results show that CRESON offers a simpler programming experience both in terms of learning time and lines of code, while performing better on average and being more scalable.
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Sutra, P., Riviere, E., Cotes, C., Artigas, M. S., Lopez, P. G., Bernard, E., Burns, W., & Zamarreno, G. (2017). CRESON: Callable and Replicated Shared Objects over NoSQL. 2017 IEEE 37th International Conference on Distributed Computing Systems (ICDCS). Published. 2017 IEEE 37th International Conference on Distributed Computing Systems (ICDCS), Atlanta, GA, USA. https://doi.org/10.1109/icdcs.2017.239