Which Cloud Auto-Scaler Should I Use for my Application?: Benchmarking Auto-Scaling Algorithms: Poster Paper

Ahmed Ali-Eldin, Alexey Ilyushkin, Bogdan Ghit, Nikolas Herbst, Alessandro Papadopoulos, Alexandru Iosup

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

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Rapid elasticity is one of the essential characteristics of cloud computing identified by NIST. Elasticity allows resources to be provisioned and released to scale rapidly out ward and in ward according to demand. Tens -- if not hundreds -- of algorithms have been proposed in the literature to automatically achieve elastic provisioning. These algorithms are typically referred to as elasticity algorithms, dynamic provisioning techniques or autoscalers. While trying to solve the same problem, sometimes with differing assumption, many of these algorithms are either compared to static provisioning or to a predefined QoS target, e.g., predefined response time target, with very little -- or no -- comparison to previously published work. This reduces the ability of an application owner or a cloud operator to choose and deploy a suitable algorithm from the literature. Many of these algorithms have been tested with one single -- real or synthetic -- workload in a specific use-case. While all published algorithms are shown to work in the specific use-case they were designed for with the, typically short, workloads tested with, it is seldom the case that the real scenarios will be any thing close to the test cases for which the algorithms are shown to work. Bursts occur in workloads occasionally. Workload dynamics change over time and the load-mix of an application significantly affects how provisioning should be done.
Original languageEnglish
Title of host publication7th ACM/SPEC Int'l Conference on Performance Engineering
Place of PublicationNew York, NY, USA
Number of pages2
ISBN (Electronic)978-1-4503-4080-9
Publication statusPublished - 2016


  • auto-scaling
  • autoscaling
  • elasticity
  • cloud computing


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