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Conducting Repeatable Experiments in Highly Variable Cloud Computing Environments

Published: 17 April 2017 Publication History

Abstract

Previous work has shown that benchmark and application performance in public cloud computing environments can be highly variable. Utilizing Amazon EC2 traces that include measurements affected by CPU, memory, disk, and network performance, we study commonly used methodologies for comparing performance measurements in cloud computing environments. The results show considerable flaws in these methodologies that may lead to incorrect conclusions. For instance, these methodologies falsely report that the performance of two identical systems differ by 38% using a confidence level of 95%. We then study the efficacy of the Randomized Multiple Interleaved Trials (RMIT) methodology using the same traces. We demonstrate that RMIT could be used to conduct repeatable experiments that enable fair comparisons in this cloud computing environment despite the fact that changing conditions beyond the user's control make comparing competing alternatives highly challenging.

References

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cover image ACM Conferences
ICPE '17: Proceedings of the 8th ACM/SPEC on International Conference on Performance Engineering
April 2017
450 pages
ISBN:9781450344043
DOI:10.1145/3030207
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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Publication History

Published: 17 April 2017

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Author Tags

  1. amazon ec2
  2. cloud-computing
  3. comparison
  4. evaluation
  5. experiments
  6. measurement
  7. performance
  8. repeatability

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  • Short-paper

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  • Natural Sciences and Engineering Research Council of Canada (NSERC)

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ICPE '17
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ICPE '17 Paper Acceptance Rate 27 of 83 submissions, 33%;
Overall Acceptance Rate 252 of 851 submissions, 30%

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  • (2024)Increasing Efficiency and Result Reliability of Continuous Benchmarking for FaaS Applications2024 IEEE International Conference on Cloud Engineering (IC2E)10.1109/IC2E61754.2024.00017(93-100)Online publication date: 24-Sep-2024
  • (2024)ElastiBench: Scalable Continuous Benchmarking on Cloud FaaS Platforms2024 IEEE International Conference on Cloud Engineering (IC2E)10.1109/IC2E61754.2024.00016(83-92)Online publication date: 24-Sep-2024
  • (2023)Efficiently Detecting Performance Changes in FaaS Application ReleasesProceedings of the 9th International Workshop on Serverless Computing10.1145/3631295.3631395(13-17)Online publication date: 11-Dec-2023
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  • (2023)A multi‐faceted analysis of the performance variability of virtual machinesSoftware: Practice and Experience10.1002/spe.324453:11(2067-2091)Online publication date: 24-Jul-2023
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