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Ensuring the reliability and availability of complex networked services demands effective root cause analysis (RCA) across cloud environments, data centers, and on-premises networks. Traditional RCA methods, which involve manual inspection…

Networking and Internet Architecture · Computer Science 2025-07-08 Alexander Shan , Jasleen Kaur , Rahul Singh , Tarun Banka , Raj Yavatkar , T. Sridhar

Root Cause Analysis (RCA) plays a pivotal role in the incident diagnosis process for cloud services, requiring on-call engineers to identify the primary issues and implement corrective actions to prevent future recurrences. Improving the…

Computation and Language · Computer Science 2024-01-26 Xuchao Zhang , Supriyo Ghosh , Chetan Bansal , Rujia Wang , Minghua Ma , Yu Kang , Saravan Rajmohan

Incident management for cloud services is a complex process involving several steps and has a huge impact on both service health and developer productivity. On-call engineers require significant amount of domain knowledge and manual effort…

Software Engineering · Computer Science 2023-02-10 Toufique Ahmed , Supriyo Ghosh , Chetan Bansal , Thomas Zimmermann , Xuchao Zhang , Saravan Rajmohan

The growing complexity of cloud based software systems has resulted in incident management becoming an integral part of the software development lifecycle. Root cause analysis (RCA), a critical part of the incident management process, is a…

Software Engineering · Computer Science 2024-03-08 Devjeet Roy , Xuchao Zhang , Rashi Bhave , Chetan Bansal , Pedro Las-Casas , Rodrigo Fonseca , Saravan Rajmohan

Large language model (LLM) applications in cloud root cause analysis (RCA) have been actively explored recently. However, current methods are still reliant on manual workflow settings and do not unleash LLMs' decision-making and environment…

Software Engineering · Computer Science 2024-08-05 Zefan Wang , Zichuan Liu , Yingying Zhang , Aoxiao Zhong , Jihong Wang , Fengbin Yin , Lunting Fan , Lingfei Wu , Qingsong Wen

Root cause analysis (RCA) for incidents in large-scale cloud systems is a complex, knowledge-intensive task that often requires significant manual effort from on-call engineers (OCEs). Improving RCA is vital for accelerating the incident…

Root cause analysis (RCA) is essential for diagnosing failures within complex software systems to ensure system reliability. The highly distributed and interdependent nature of modern cloud-based systems often complicates RCA efforts,…

Software Engineering · Computer Science 2026-02-02 Evelien Riddell , James Riddell , Gengyi Sun , Michał Antkiewicz , Krzysztof Czarnecki

Root Cause Analysis (RCA) is a crucial aspect of incident management in large-scale cloud services. While the term root cause analysis or RCA has been widely used, different studies formulate the task differently. This is because the term…

Software Engineering · Computer Science 2025-10-23 Aoyang Fang , Haowen Yang , Haoze Dong , Qisheng Lu , Junjielong Xu , Pinjia He

Runtime failures are commonplace in modern distributed systems. When such issues arise, users often turn to platforms such as Github or JIRA to report them and request assistance. Automatically identifying the root cause of these failures…

Software Engineering · Computer Science 2025-04-01 Yichen Li , Yulun Wu , Jinyang Liu , Zhihan Jiang , Zhuangbin Chen , Guangba Yu , Michael R. Lyu

Root Cause Analysis (RCA) of any service-disrupting incident is one of the most critical as well as complex tasks in IT processes, especially for cloud industry leaders like Salesforce. Typically RCA investigation leverages data-sources…

Information Retrieval · Computer Science 2022-04-26 Amrita Saha , Steven C. H. Hoi

Causal analysis plays a foundational role in scientific discovery and reliable decision-making, yet it remains largely inaccessible to domain experts due to its conceptual and algorithmic complexity. This disconnect between causal…

Failures in large-scale cloud systems incur substantial financial losses, making automated Root Cause Analysis (RCA) essential for operational stability. Recent efforts leverage Large Language Model (LLM) agents to automate this task, yet…

Artificial Intelligence · Computer Science 2026-03-05 Taeyoon Kim , Woohyeok Park , Hoyeong Yun , Kyungyong Lee

The dynamics and complexity of cloud-native systems present significant challenges for Root Cause Analysis (RCA). While causality-based RCA methods have shown significant progress in recent years, their practical adoption is fundamentally…

Software Engineering · Computer Science 2026-03-03 Shuai Liang , Pengfei Chen , Bozhe Tian , Gou Tan , Maohong Xu , Youjun Qu , Yahui Zhao , Yiduo Shang , Chongkang Tan

This paper presents MicroRCA-Agent, an innovative solution for microservice root cause analysis based on large language model agents, which constructs an intelligent fault root cause localization system with multimodal data fusion. The…

Artificial Intelligence · Computer Science 2025-09-22 Pan Tang , Shixiang Tang , Huanqi Pu , Zhiqing Miao , Zhixing Wang

Major cloud providers have employed advanced AI-based solutions like large language models to aid humans in identifying the root causes of cloud incidents. Despite the growing prevalence of AI-driven assistants in the root cause analysis…

Computation and Language · Computer Science 2023-10-02 Dylan Zhang , Xuchao Zhang , Chetan Bansal , Pedro Las-Casas , Rodrigo Fonseca , Saravan Rajmohan

Causal analysis is a crucial task in many domains, including manufacturing, social science, and medicine. However, despite recent progress, the conceptual and methodological complexity of causal methods makes them largely inaccessible to…

Artificial Intelligence · Computer Science 2026-05-27 Phi Nguyen Xuan , Nicholas Tagliapietra , Lavdim Halilaj , Kristian Kersting , Juergen Luettin

Root cause analysis (RCA) in microservice systems is challenging, requiring on-call engineers to rapidly diagnose failures across heterogeneous telemetry such as metrics, logs, and traces. Traditional RCA methods often focus on single…

Artificial Intelligence · Computer Science 2025-08-19 Yifang Tian , Yaming Liu , Zichun Chong , Zihang Huang , Hans-Arno Jacobsen

Effective alert diagnosis is essential for ensuring the reliability of large-scale online service systems. However, on-call engineers are often burdened with manually inspecting massive volumes of logs to identify root causes. While various…

Software Engineering · Computer Science 2025-10-01 Zhihan Jiang , Jinyang Liu , Yichen Li , Haiyu Huang , Xiao He , Tieying Zhang , Jianjun Chen , Yi Li , Rui Shi , Michael R. Lyu

Incident response plays a pivotal role in mitigating the impact of cyber attacks. In recent years, the intensity and complexity of global cyber threats have grown significantly, making it increasingly challenging for traditional threat…

Cryptography and Security · Computer Science 2025-10-31 Xihuan Lin , Jie Zhang , Gelei Deng , Tianzhe Liu , Tianwei Zhang , Qing Guo , Riqing Chen

Root cause localization remain challenging in complex and large-scale microservice architectures. The complex fault propagation among microservices and the high dimensionality of telemetry data, including metrics, logs, and traces, limit…

Artificial Intelligence · Computer Science 2026-02-10 Liming Zhou , Ailing Liu , Hongwei Liu , Min He , Heng Zhang
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