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我的研究

论文成果

关于云系统与人工智能系统可靠性和优化的研究。

* 共同第一作者 · ✉️ 通讯作者

2026

ACM TOS 2026

EFRC is Adapted to Access-rate Imbalance: A Class of Efficient and Fair Replacement Algorithms for Cache Sharing

Liang Ai, Pengfei Chen, Guangba Yu, Yuhui Deng, Xiao Qin

In ACM Transactions on Storage.

ACM TAAS 2026CCF-B

Fine-grained Tracing for Performance Anomaly Diagnosis of Serverless Functions

Runan Wang, Guangba Yu, Giuliano Casale, Pengfei Chen, Antonio Filieri

In ACM Transactions on Autonomous and Adaptive Systems.

KDD 2026CCF-A

StaR: Stateful Dynamic-Graph Root Cause Analysis through Memory-Enhanced Causality Discovery

Haiyu Huang, Man Tik Ng, Jiewei Lyu, Yujie Huang, Guangba Yu✉️, Yilun Wang, Michael R. Lyu

In ACM SIGKDD Conference on Knowledge Discovery and Data Mining.

J. Software (CN) 2026CCF-A

面向大规模在线系统的故障根因变更识别 (Root Cause Change Identification for Failures in Large-scale Online System; in Chinese)

Guangba Yu, Pengfei Chen, Xitao Tang, Zibin Zheng

In Journal of Software (Chinese).

FSE Companion (IVR) 2026

Freezing the Crime Scene: A State Snapshot Paradigm for Reproducible Agentic SRE Evaluation

Guangba Yu, Yilun Wang, Michael R. Lyu

In ACM International Conference on the Foundations of Software Engineering, Companion Proceedings (Ideas, Visions and Reflections).

DSN 2026CCF-B

LLMGuard: Multi-Agent Fault Diagnosis for Reliable Language-Model-as-a-Service

Yuedong Zhong, Guangba Yu, Yujie Huang, QunChao Fu, Rui Ren, Cong Feng, Yongqiang Yang, Michael R. Lyu

In IEEE/IFIP International Conference on Dependable Systems and Networks.

ASE 2026CCF-A

OpsLens: Runbook-Free Root Cause Analysis via Multi-agent Collaboration and Tool Management

Haiyu Huang, Jiewei Lyu, Gou Tan, Pengfei Chen, Zhihan Jiang, Guangba Yu, Penghui Mi, Fuqiang Wang, Jian Han, Chongkang Tan, Michael R. Lyu

In IEEE/ACM International Conference on Automated Software Engineering.

2025

ASE 2025CCF-A

AlertGuardian: Intelligent Alert Life-Cycle Management for Large-scale Cloud Systems

Guangba Yu, Genting Mai, Rui Wang, Ruipeng Li, Pengfei Chen, Long Pan, Ruijie Xu

In 40th IEEE/ACM International Conference on Automated Software Engineering

  • 云系统
  • 告警管理
IWQoS 2025CCF-B

Causelens: Causality-Based Interpretable Root Cause Analysis for Microservice Systems

Qihan Liu, Pengfei Chen, Guangba Yu, Yuanhao Lai, Xiaoyun Li

In IEEE/ACM International Symposium on Quality of Service

Internetware 2025CCF-C

Take Kernel Stack Overhead Out: eBPF-Enhanced Network Acceleration for Distributed Training within Ethernet

Zhenyu Zhang, Pengfei Chen, Guangba Yu, Zilong He, Xiaoyun Li

In 16th International Conference on Internetware.

ASPLOS 2025CCF-A

Mint: Cost-Efficient Tracing with All Requests Collection via Commonality and Variability Analysis

Haiyu Huang, Cheng Chen, Kunyi Chen, Pengfei Chen, Guangba Yu, Zilong He, Yilun Wang, Huxing Zhang, Qi Zhou

In 30th ACM International Conference on Architectural Support for Programming Languages and Operating Systems.

2024

FSE 2024CCF-A

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

In 32nd ACM International Conference on the Foundations of Software Engineering.

ACM SIGSOFT 杰出论文奖

JNCA 2024CCF-C

Network shortcut in data plane of service mesh with eBPF

Wanqi Yang, Pengfei Chen, Guangba Yu, Haibin Zhang, Huxing Zhang

In Journal of Network and Computer Applications

2023

FSE 2023CCF-A

DiagConfig: Configuration Diagnosis of Performance Violations in Configurable Software Systems

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

In 31st ACM Joint European Software Engineering Conference and Symposium on the Foundations of Software Engineering

ICPP 2023CCF-B

DeepPower: Deep Reinforcement Learning based Power Management for Latency Critical Applications in Multi-core Systems

Jingrun Zhang, Guangba Yu, Zilong He, Liang Ai, Pengfei Chen

In 32nd International Conference on Parallel Processing

J. Software (CN) 2023CCF-A

面向Java微服务系统的透明请求追踪及采样方法 (Transparent Request Tracing and Sampling for Java Microservice Systems; in Chinese)

Zicheng Huang, Pengfei Chen, Guangba Yu, Hongyang Chen

In Journal of Software (Chinese).

2022

ICWS 2022CCF-B

TS-InvarNet: Anomaly Detection and Localization based on Tempo-spatial KPI Invariants in Distributed Services

Zijun Hu, Pengfei Chen, Guangba Yu, Zilong He, Xiaoyun Li

In Proceeidings of 2022 IEEE International Conference on Web Services

2021

CCGrid 2021CCF-C

T-Rank: A Lightweight Spectrum based Fault Localization Approach for Microservice Systems

Zihao Ye, Pengfei Chen, Guangba Yu

In Proceedings of 2021 IEEE/ACM 21st International Symposium on Cluster, Cloud and Internet Computing

WWW 2021CCF-A

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

In Proceedings of the Web Conference 2021

2020

2019