Guangba Yu

The Chinese University of Hong Kong Postdoctoral Researcher, CUHK

I am a postdoctoral researcher in ARISE Lab at The Chinese University of Hong Kong, mentored by Prof. Michael R. Lyu.
I obtained my Ph.d and M.Eng degrees from Sun Yat-sen University, supervised by Prof.Pengfei Chen.
I was a Ph.D. software engineering student researcher at WeChat in 2022-2023, mentored by Yuetang Deng.
😃 I always welcome the opportunity to collaborate research topics about system reliability. Feel free to drop me an email if you're interested in connecting with me.


💡 Research Interest
  • Reliability in Cloud and AI System
    • Performance Diagnose
    • Performance Optimization
    • Chaos Engineering
    • Observability
📖 Education
  • Sun Yat-sen University

    Sun Yat-sen University

    Ph.D. in Computer Science and Technology 2020 - 2024

  • Sun Yat-sen University

    Sun Yat-sen University

    M.Eng in Computer Technology 2018 - 2020

🎖 Honors & Awards
  • Distinguish Paper Award for FSE'24 2024
  • Outstanding PhD Graduate, SYSU 2024
  • National Scholarship, SYSU 2022-2023
  • Tencent Rhino-Bird Research Elite Program & Special Scholarship, Tencent 2022-2023
💼 Service
  • Reviewer: WWW'24, TSC, TCC, J Supercomput, TOSEM
  • Artifact Evaluation Committee: OSDI'22, ATC'22
  • Sub-reviewer: TOSEM, ICSOC'22
News
2024
🎉 FaaS configuration optimization Paper FaaSConf has been accepted by ASE'24 (118/587). Congras to Yilun!
07 Aug
🏆 Trace sampling paper TraStrainer has won Best Paper Award at FSE'24.
18 Jul
🎉 FaaS Root cause analisys paper FaaSRCA has been accepted by ISSRE'24. Congras to Jin Huang!
14 Jun
🎉 Request-level fault injection paper MicroFI has been accepted by TDSC. Congras to Hongyang!
23 Feb
🎉 Root cause change analysis paper ChangeRCA and trace sampling paper TraStrainer have been accepted by FSE'24 (56/483).
22 Jan
2023
🎉 Multi-modal observability data RCA paper Nezha and database configuration optimization paper Diagconfig has been accepted by FSE'23.
27 Jul
Selected Publications (view all )
FaaSConf: QoS-aware Hybrid Resources Configuration for Serverless Workflows

Yilun Wang, Pengfei Chen, Hui Dou, Yiwen Zhang, Guangba Yu, Zilong He, Haiyu Huang

ASE'24 (CCF A) In 39th IEEE/ACM International Conference on Automated Software Engineering.

FaaSConf: QoS-aware Hybrid Resources Configuration for Serverless Workflows
FaaSConf: QoS-aware Hybrid Resources Configuration for Serverless Workflows

Yilun Wang, Pengfei Chen, Hui Dou, Yiwen Zhang, Guangba Yu, Zilong He, Haiyu Huang

ASE'24 (CCF A) In 39th IEEE/ACM International Conference on Automated Software Engineering.

A Survey on Failure Analysis and Fault Injection in AI Systems

Guangba Yu, Gou Tan, Haojia Huang, Zhenyu Zhang, Pengfei Chen, Roberto Natella, Zibin Zheng

 Under review.

A Survey on Failure Analysis and Fault Injection in AI Systems
A Survey on Failure Analysis and Fault Injection in AI Systems

Guangba Yu, Gou Tan, Haojia Huang, Zhenyu Zhang, Pengfei Chen, Roberto Natella, Zibin Zheng

 Under review.

MicroFI: Non-Intrusive and Prioritized Request-Level Fault Injection for Microservice Applications

Hongyang Chen, Pengfei Chen, Guangba Yu, Xiaoyun Li, Zilong He, Huxing Zhang

TDSC (CCF A) In IEEE Transactions on Dependable and Secure Computing

MicroFI: Non-Intrusive and Prioritized Request-Level Fault Injection for Microservice Applications
MicroFI: Non-Intrusive and Prioritized Request-Level Fault Injection for Microservice Applications

Hongyang Chen, Pengfei Chen, Guangba Yu, Xiaoyun Li, Zilong He, Huxing Zhang

TDSC (CCF A) In IEEE Transactions on Dependable and Secure Computing

TraStrainer: Adaptive Sampling for Distributed Traces with System Runtime State

Haiyu Huang, Xiaoyu Zhang, Pengfei Chen, Zilong He, Zhiming Chen, Guangba Yu, Hongyang Chen, Chen Sun

FSE'24 (CCF A) In 32nd ACM International Conference on the Foundations of Software Engineering. 🏆 Distinguish Paper Award

TraStrainer: Adaptive Sampling for Distributed Traces with System Runtime State
TraStrainer: Adaptive Sampling for Distributed Traces with System Runtime State

Haiyu Huang, Xiaoyu Zhang, Pengfei Chen, Zilong He, Zhiming Chen, Guangba Yu, Hongyang Chen, Chen Sun

FSE'24 (CCF A) In 32nd ACM International Conference on the Foundations of Software Engineering. 🏆 Distinguish Paper Award

ChangeRCA: Finding Root Causes from Software Changes in Large Online Systems

Guangba Yu, Pengfei Chen, Zilong He, Qiuyu Yan, Yu Luo, Fangyan Li, Zibin Zheng

FSE'24 (CCF A) In 32nd ACM International Conference on the Foundations of Software Engineering.

ChangeRCA: Finding Root Causes from Software Changes in Large Online Systems
ChangeRCA: Finding Root Causes from Software Changes in Large Online Systems

Guangba Yu, Pengfei Chen, Zilong He, Qiuyu Yan, Yu Luo, Fangyan Li, Zibin Zheng

FSE'24 (CCF A) In 32nd ACM International Conference on the Foundations of Software Engineering.

Nezha: Interpretable Fine-Grained Root Causes Analysis for Microservices on Multi-Modal Observability Data

Guangba Yu, Pengfei Chen, Yufeng Li, Hongyang Chen, Xiaoyun Li, Zibin Zheng

FSE'23 (CCF A) In 31st ACM Joint European Software Engineering Conference and Symposium on the Foundations of Software Engineering

Nezha: Interpretable Fine-Grained Root Causes Analysis for Microservices on Multi-Modal Observability Data
Nezha: Interpretable Fine-Grained Root Causes Analysis for Microservices on Multi-Modal Observability Data

Guangba Yu, Pengfei Chen, Yufeng Li, Hongyang Chen, Xiaoyun Li, Zibin Zheng

FSE'23 (CCF A) In 31st ACM Joint European Software Engineering Conference and Symposium on the Foundations of Software Engineering

DiagConfig: Configuration Diagnosis of Performance Violations in Configurable Software Systems

Zhiming Chen, Pengfei Chen, Peipei Wang, Guangba Yu, Zilong He, Genting Mai

FSE'23 (CCF A) In 31st ACM Joint European Software Engineering Conference and Symposium on the Foundations of Software Engineering

DiagConfig: Configuration Diagnosis of Performance Violations in Configurable Software Systems
DiagConfig: Configuration Diagnosis of Performance Violations in Configurable Software Systems

Zhiming Chen, Pengfei Chen, Peipei Wang, Guangba Yu, Zilong He, Genting Mai

FSE'23 (CCF A) In 31st ACM Joint European Software Engineering Conference and Symposium on the Foundations of Software Engineering

LogReducer: Identify and Reduce Log Hotspots in Kernel on the Fly

Guangba Yu, Pengfei Chen, Pairui Li, Tianjun Weng, Haibing Zheng, Yuetang Deng, Zibin Zheng

ICSE'23 (CCF A) In 45th IEEE/ACM International Conference on Software Engineering

LogReducer: Identify and Reduce Log Hotspots in Kernel on the Fly
LogReducer: Identify and Reduce Log Hotspots in Kernel on the Fly

Guangba Yu, Pengfei Chen, Pairui Li, Tianjun Weng, Haibing Zheng, Yuetang Deng, Zibin Zheng

ICSE'23 (CCF A) In 45th IEEE/ACM International Conference on Software Engineering

FaaSDeliver: Cost-efficient and QoS-aware Function Delivery in Computing Continuum

Guangba Yu, Pengfei Chen, Zibin Zheng, Jingrun Zhang, Xiaoyun Li, Zilong He

TSC (CCF A) In IEEE Transaction on Service Computing

FaaSDeliver: Cost-efficient and QoS-aware Function Delivery in Computing Continuum
FaaSDeliver: Cost-efficient and QoS-aware Function Delivery in Computing Continuum

Guangba Yu, Pengfei Chen, Zibin Zheng, Jingrun Zhang, Xiaoyun Li, Zilong He

TSC (CCF A) In IEEE Transaction on Service Computing

Graph based Incident Extraction and Diagnosis in Large-Scale Online Systems

Zilong He, Pengfei Chen, Yu Luo, Qiuyu Yan, Hongyang Chen, Guangba Yu, Fangyuan Li

ASE'22 (CCF A) In 37th IEEE/ACM International Conference on Automated Software Engineering

Graph based Incident Extraction and Diagnosis in Large-Scale Online Systems
Graph based Incident Extraction and Diagnosis in Large-Scale Online Systems

Zilong He, Pengfei Chen, Yu Luo, Qiuyu Yan, Hongyang Chen, Guangba Yu, Fangyuan Li

ASE'22 (CCF A) In 37th IEEE/ACM International Conference on Automated Software Engineering

SwissLog: Robust Anomaly Detection and Localization for Interleaved Unstructured Logs

Xiaoyun Li, Pengfei Chen, Linxiao Jing, Zilong He, Guangba Yu

TDSC (CCF A) In IEEE Transactions on Dependable and Secure Computing

SwissLog: Robust Anomaly Detection and Localization for Interleaved Unstructured Logs
SwissLog: Robust Anomaly Detection and Localization for Interleaved Unstructured Logs

Xiaoyun Li, Pengfei Chen, Linxiao Jing, Zilong He, Guangba Yu

TDSC (CCF A) In IEEE Transactions on Dependable and Secure Computing

MicroRank: End-to-End Latency Issue Localization with Extended Spectrum Analysis in Microservice Environments

Guangba Yu, Pengfei Chen, Hongyang Chen, Zijie Guan, Zicheng Huang, Linxiao Jing, Tianjun Weng, Xinmeng Sun, Xiaoyun Li

WWW'21 (CCF A) In Proceedings of the Web Conference 2021

MicroRank: End-to-End Latency Issue Localization with Extended Spectrum Analysis in Microservice Environments
MicroRank: End-to-End Latency Issue Localization with Extended Spectrum Analysis in Microservice Environments

Guangba Yu, Pengfei Chen, Hongyang Chen, Zijie Guan, Zicheng Huang, Linxiao Jing, Tianjun Weng, Xinmeng Sun, Xiaoyun Li

WWW'21 (CCF A) In Proceedings of the Web Conference 2021

SwissLog: Robust and Unified Deep Learning Based Log Anomaly Detection for Diverse Faults

Xiaoyun Li, Pengfei Chen, Linxiao Jing, Zilong He, Guangba Yu

ISSRE'20 (CCF B) In Proceedings of the 2020 IEEE 31st International Symposium on Software Reliability Engineering

SwissLog: Robust and Unified Deep Learning Based Log Anomaly Detection for Diverse Faults
SwissLog: Robust and Unified Deep Learning Based Log Anomaly Detection for Diverse Faults

Xiaoyun Li, Pengfei Chen, Linxiao Jing, Zilong He, Guangba Yu

ISSRE'20 (CCF B) In Proceedings of the 2020 IEEE 31st International Symposium on Software Reliability Engineering

A Spatiotemporal Deep Learning Approach for Unsupervised Anomaly Detection in Cloud Systems

Zilong He, Pengfei Chen, Xiaoyun Li, Yongfeng Wang, Guangba Yu, Cailin Chen, Xinrui Li, Zibin Zheng

TNNLS (Impact Factor 10.4, CCF B) In IEEE Transactions on Neural Networks and Learning Systems

A Spatiotemporal Deep Learning Approach for Unsupervised Anomaly Detection in Cloud Systems
A Spatiotemporal Deep Learning Approach for Unsupervised Anomaly Detection in Cloud Systems

Zilong He, Pengfei Chen, Xiaoyun Li, Yongfeng Wang, Guangba Yu, Cailin Chen, Xinrui Li, Zibin Zheng

TNNLS (Impact Factor 10.4, CCF B) In IEEE Transactions on Neural Networks and Learning Systems

Microscaler: Automatic Scaling for Microservices with an Online Learning Approach

Guangba Yu, Pengfei Chen, Zibin Zheng

ICWS'19 (CCF B) In Proceedings of the 2019 IEEE International Conference on Web Services

Microscaler: Automatic Scaling for Microservices with an Online Learning Approach
Microscaler: Automatic Scaling for Microservices with an Online Learning Approach

Guangba Yu, Pengfei Chen, Zibin Zheng

ICWS'19 (CCF B) In Proceedings of the 2019 IEEE International Conference on Web Services

All publications