PHOEBE: an automation framework for the effective usage of diagnosis tools in the performance testing of clustered systemsReportar como inadecuado

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1 PEL - Performance Engineering Laboratory 2 LaBRI - Laboratoire Bordelais de Recherche en Informatique

Abstract : Nowadays, clustered environments are commonly used in enterprise-level applications to achieve faster response time and higher throughput than single machine environments. However, this shift from a monolithic architecture to a distributed one has augmented the complexity of these applications, considerably complicating all activities related to the performance testing of such clustered systems. Specifically, the identification of performance issues and the diagnosis of their root causes are time-consuming and complex tasks which usually require multiple tools and heavily rely on expertise. To simplify these tasks, many researchers have been developing tools with built-in expertise for practitioners. However, various limitations exist in these tools that prevent their efficient usage in the performance testing of clusters e.g., the need of manually analysing huge volumes of distributed results. To address these limitations, our previous work introduced a policy-based adaptive framework PHOEBE which automates the usage of diagnosis tools in the performance testing of clustered systems, in order to improve a tester-s productivity by decreasing the effort and expertise needed to effectively use such tools. The aim of this paper is to extend our previous work by broadening the set of policies available in PHOEBE, as well as by performing a comprehensive assessment of PHOEBE in terms of its benefits, costs and generality with respect to the used diagnosis tool. The performed evaluation involved a set of experiments to assess the different trade-offs commonly experienced by a tester when using a performance diagnosis tool, as well as the time savings that PHOEBE can bring to the performance testing and analysis processes. Our results have shown that PHOEBE can drastically reduce the effort required by a tester to do performance testing and analysis in a cluster. PHOEBE also experienced a consistent behaviour, when applied to a set of commonly used diagnosis tools, demonstrating its generality. Finally, PHOEBE proved to be capable of simplifying the configuration of a diagnosis tool. This was achieved by addressing the identified trade-offs without the need for manual intervention from the tester. These results offer practitioners a valuable reference regarding the benefits that an automation framework, focused on effectively addressing the common usage limitations experienced by a diagnosis tool, can bring to the performance testing of clustered systems.

Keywords : Performance Testing Performance Analysis Cluster Computing System Performance

Autor: A Portillo-Dominguez - Philip Perry - Damien Magoni - John Murphy -



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