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Indexed by:会议论文

Date of Publication:2014-02-17

Included Journals:EI、Scopus

Page Number:95-98

Abstract:Performance analysis of virtual machines is an indispensable capability for achieving on-demand resource provisioning in cloud computing systems. In this paper, a nonparametric multivariate method is presented as a solution to forecast performance degradation of virtual machines in cloud computing systems. Firstly, the k-means algorithm is adopted to partition multivariate training data into three clusters, which correspond to the virtual machine states of normal, anomaly and failure. Based on this clustering, the performance data of working virtual machines are classified. For those classified as anomalies, a nonparametric CUSUM algorithm is carried out to analyze whether they will lead to serious performance degradation (corresponding to the failure state). Experiment results based on Hadoop show this method can not only identify the normal and failure states of virtual machines, but also succeed in forecasting performance degradation of virtual machines by those anomalous data.