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Authors
Gu, Wenwei
Zhong, Renyi
Yu, Guangba https://orcid.org/0000-0001-6195-9088
Sun, Xinying
Liu, Jinyang
Huo, Yintong
Chen, Zhuangbin
Zhang, Jianping
Gu, Jiazhen
Yang, Yongqiang
Lyu, Michael R.
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Funding
Funding for this research was provided by:
Research Grants Council of the Hong Kong Special Administrative Region (No. CUHK 14206921)
Fundamental Research Funds for the Central Universities (No. 76250-31610005)
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Article History
Received: 17 February 2025
Accepted: 3 November 2025
First Online: 5 December 2025
Declarations
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: The authors have no competing interests to declare that are relevant to the content of this article.
: This manuscript extends our previous ISSRE paper titled ’KPIRoot: Efficient Monitoring Metric-based Root Cause Localization in Large-scale Cloud Systems,’ which further improves the KPIRoot. The authors also declare that this manuscript follows the best scientific standards, in particular with regard to acknowledgment of prior works, honesty of the presentation of results, and focus on the demonstrability of the statements. This manuscript and the work that led to it do not carry any specific ethical issue.
: All the authors give their consent to submit this work.
