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Computer Science > Software Engineering

arXiv:2301.08851 (cs)
[Submitted on 21 Jan 2023 (v1), last revised 27 Apr 2023 (this version, v2)]

Title:LWS: A Framework for Log-based Workload Simulation in Session-based SUT

Authors:Yongqi Han, Qingfeng Du, Jincheng Xu, Shengjie Zhao, Zhekang Chen, Li Cao, Kanglin Yin, Dan Pei
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Abstract:Artificial intelligence for IT Operations (AIOps) plays a critical role in operating and managing cloud-native systems and microservice-based applications but is limited by the lack of high-quality datasets with diverse scenarios. Realistic workloads are the premise and basis of generating such AIOps datasets, with the session-based workload being one of the most typical examples. Due to privacy concerns, complexity, variety, and requirements for reasonable intervention, it is difficult to copy or generate such workloads directly, showing the importance of effective and intervenable workload simulation. In this paper, we formulate the task of workload simulation and propose a framework for Log-based Workload Simulation (LWS) in session-based systems. LWS extracts the workload specification including the user behavior abstraction based on agglomerative clustering as well as relational models and the intervenable workload intensity from session logs. Then LWS combines the user behavior abstraction with the workload intensity to generate simulated workloads. The experimental evaluation is performed on an open-source cloud-native application with both well-designed and public real-world workloads, showing that the simulated workload generated by LWS is effective and intervenable, which provides the foundation of generating high-quality AIOps datasets.
Subjects: Software Engineering (cs.SE)
Cite as: arXiv:2301.08851 [cs.SE]
  (or arXiv:2301.08851v2 [cs.SE] for this version)
  https://doi.org/10.48550/arXiv.2301.08851

Submission history

From: Yongqi Han [view email]
[v1] Sat, 21 Jan 2023 01:58:34 UTC (971 KB)
[v2] Thu, 27 Apr 2023 12:00:07 UTC (1,039 KB)
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