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Seattle, WA
June 13, 2005 to June 16, 2005
ISBN: 0-7965-2276-9
pp: 217-228
Bhuvan Urgaonkar , University of Massachusetts, Amherst
Prashant Shenoy , University of Massachusetts, Amherst
Abhishek Chandra , University of Minnesota, Minneapolis
Pawan Goyal , Veritas Software India Pvt. Ltd.
ABSTRACT
Dynamic capacity provisioning is a useful technique for handling the multi-time-scale variations seen in Internet workloads. In this paper, we propose a novel dynamic provisioning technique for multi-tier Internet applications that employs (i) a flexible queuing model to determine how much resources to allocate to each tier of the application, and (ii) a combination of predictive and reactive methods that determine when to provision these resources, both at large and small time scales. Our experiments on a forty-machine Linuxbased hosting platform demonstrate the responsiveness of our technique in handling dynamic workloads. In one scenario where a flash crowd caused the workload of a three-tier application to double, our technique was able to double the application capacity within five minutes, thus maintaining response time targets.
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CITATION
Bhuvan Urgaonkar, Prashant Shenoy, Abhishek Chandra, Pawan Goyal, "Dynamic Provisioning of Multi-tier Internet Applications", ICAC, 2005, Proceedings. Second International Conference on Autonomic Computing, Proceedings. Second International Conference on Autonomic Computing 2005, pp. 217-228, doi:10.1109/ICAC.2005.27
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