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Scalable and responsive event processing in the cloud

Lookup NU author(s): Visalakshmi Suresh, Dr Paul EzhilchelvanORCiD, Professor Paul WatsonORCiD

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Abstract

Event processing involves continuous evaluation of queries over streams of events. Response-time optimization is traditionally done over a fixed set of nodes and/or by using metrics measured at query-operator levels. Cloud computing makes it easy to acquire and release computing nodes as required. Leveraging this flexibility, we propose a novel, queueing-theory-based approach for meeting specified response-time targets against fluctuating event arrival rates by drawing only the necessary amount of computing resources from a cloud platform. In the proposed approach, the entire processing engine of a distinct query is modelled as an atomic unit for predicting response times. Several such units hosted on a single node are modelled as a multiple class M/G/1 system. These aspects eliminate intrusive, low-level performance measurements at run-time, and also offer portability and scalability. Using model-based predictions, cloud resources are efficiently used to meet response-time targets. The efficacy of the approach is demonstrated through cloud-based experiments.

Publication metadata

Author(s): Suresh V, Ezhilchelvan P, Watson P

Publication type: Article

Publication status: Published

Journal: Philosophical Transactions of the Royal Society A. Mathematical, Physical & Engineering Sciences

Year: 2013

Volume: 371

Issue: 1983

Print publication date: 10/12/2012

ISSN (print): 1364-503X

ISSN (electronic): 1471-2962

Publisher: The Royal Society

URL: http://dx.doi.org/10.1098/rsta.2012.0095

DOI: 10.1098/rsta.2012.0095

Notes: Article is 13 pp.

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