* Co-first author    # Corresponding author    Oasis Lab member

2027

  1. Kratos: A Robust and Comprehensive Pipeline for Detecting Various Patterns of Disk Fail-Slow Behaviors at Scale
    by Ruidan Li , Erci Xu # , Xikang Song , Kiran Srinivasan , Haryadi S. Gunawi
    25th USENIX Conference on File and Storage Technologies., FAST'27 (CCF-A).

2026

  1. A Few GPUs, A Whole Lotta Scale: Faithful LLM Training Emulation with CrystalLLM
    by Shaoke Xi * , ChonLam Lao * , Boyi Jia * , Jiaqi Gao # , Zhipeng Zhang , Jiamin Cao , Brian Sutioso , Erci Xu # , Minlan Yu , Kui Ren , Yong Li , Zhengping Qian , Ennan Zhai , Jingren Zhou
    32nd Symposium on Operating Systems Principles, SOSP'26 (CCF-A).
  2. Batched in Back: Characterizing and Optimizing Offline LLM Inference in Production with ACDC
    by Leping Yang , Xue Li , Kun Qian , Erci Xu # , Mingzhen Han , Haoran Zhu , Tao He , Zuolong Yin , Ennan Zhai , Wenyuan Yu , Jingren Zhou , Guangtao Xue
    32nd Symposium on Operating Systems Principles, SOSP'26 (CCF-A).
  3. Break on Through to the Other Side: Pooling Memory Elastically with RAMRyder
    by Yanbo Zhou , Erci Xu # , Dongjoo Seo , Adam Manzanares , Steven Swanson
    20th USENIX Symposium on Operating Systems Design and Implementation, OSDI'26 (CCF-A).
  4. The Clustering Strikes Back: Building Cost-Effective and High-Performance ANNS at Scale with Helmsman
    by Yuchen Huang , Baiteng Ma , Yiping Sun , Yang Shi , Xiao Chen , XiaoCheng Zhong , Zhiyong Wang , Yao Hu , Erci Xu # , Chuliang Weng
    20th USENIX Symposium on Operating Systems Design and Implementation, OSDI'26 (CCF-A).
  5. StriaTrace: Efficient Tracing and Diagnosis for Online LLM Inference
    by Haonan Wu , Yanqing Chen , Kun Qian , Xue Li , Erci Xu # , Ennan Zhai , Wenyuan Yu , Jingren Zhou
    20th USENIX Symposium on Operating Systems Design and Implementation, OSDI'26 (CCF-A).
  6. All Along the Watchtower: Achieving the Trinity of Observability in Cloud with DiTing
    by Zhenyu Ren , Shuzhi Feng , Erci Xu # , Changsheng Niu , Beibei Wang , Haoyu Mao , Chong Gao , Zhenshan Zhang , Xinrui Yu , Jiangwei Huang , Jiesheng Wu , Hong Tang
    20th USENIX Symposium on Operating Systems Design and Implementation, OSDI'26 (CCF-A).
  7. Come Hell or Still Water: Alleviating Tail Latency in Cloud Block Store
    by Chaolei Hu , Kun Qian , Erci Xu # , Yifan Shen , Haoran Zhang , Xue Li , Yuesheng Gu , Lingjun Zhu , Fengyuan Ren # , Ennan Zhai
    23rd USENIX Symposium on Networked Systems Design and Implementation, NSDI'26 (CCF-A).
    PDF Dataset
  8. How Soon is Now? Preloading Images for Virtual Disks with ThinkAhead
    by Xinqi Chen , Yu Zhang , Erci Xu # , Changhong Wang , Jifei Yi , Qiuping Wang , Shizhuo Sun , Zhongyu Wang , Haonan Wu , Junping Wu , Hailin Peng , Rong Liu , Yinhu Wang , Jiaji Zhu , Jiesheng Wu , Guangtao Xue , Patrick P. C. Lee
    24th USENIX Conference on File and Storage Technologies., FAST'26 (CCF-A).
    PDF Slides Code Dataset
  9. MlsDisk: Trusted Block Storage for TEEs Based on Layered Secure Logging
    by Erci Xu , Xinyi Yu , Lujia Yin , Xinyuan Luo , Shaowei Song , Qingsong Chen , Shoumeng Yan , Jiwu Shu , Hongliang Tian , Yiming Zhang #
    24th USENIX Conference on File and Storage Technologies., FAST'26 (CCF-A).
    PDF Slides Code
  10. "Range as a Key" is the Key! Fast and Compact Cloud Block Store Index with RASK
    by Haoru Zhao , Mingkai Dong # , Erci Xu # , Zhongyu Wang , Haibo Chen
    24th USENIX Conference on File and Storage Technologies., FAST'26 (CCF-A).
    PDF Slides
  11. Here, There and Everywhere: The Past, the Present and the Future of Local Storage in Cloud Erik Riedel Best Paper Award
    by Leping Yang , Yanbo Zhou , Gong Zeng , Li Zhang , Saisai Zhang , Ruilin Wu , Chaoyang Sun , Shiyi Luo , Wenrui Li , Keqiang Niu , Xiaolu Zhang , Junping Wu , Jiaji Zhu , Jiesheng Wu , Mariusz Barczak , Wayne Gao , Ruiming Lu , Erci Xu # , Guangtao Xue
    24th USENIX Conference on File and Storage Technologies., FAST'26 (CCF-A).
    PDF Slides
  12. Scheduling Cloud Block Storage Proactively and Reactively with Omar
    by Xinqi Chen , Weidong Zhang , Zhongyu Wang , Erci Xu # , Xiaolu Zhang , Dong Wu , Junping Wu , Haonan Wu , Ruiming Lu , Yaheng Song , Chaolei Hu , Lijun Ding , Guangtao Xue , Patrick P.C. Lee
    21st ACM European Conference on Computer Systems, Eurosys'26 (CCF-A).
    PDF

2025

  1. Sleeping with One Eye Open: Fast, Sustainable Storage with Sandman
    by Yanbo Zhou , Erci Xu # , Anisa Su , Jim Harris , Adam Manzanares , Steven Swanson
    31st Symposium on Operating Systems Principles, SOSP'25 (CCF-A).
    PDF
  2. Evolving the Cloud Block Store with Performance, Elasticity, Availability, and Hardware Offloading Invited
    by Erci Xu , Weidong Zhang , Qiuping Wang , Xiaolu Zhang , Yuesheng Gu , Zhenwei Lu , Tao Ouyang , Guanqun Dong , Wenwen Peng , Zhe Xu , Shuo Zhang , Dong Wu , Yilei Peng , Tianyun Wang , Haoran Zhang , Jiasheng Wang , Wenyuan Yan , Yuanyuan Dong , Wenhui Yao , Zhongjie Wu , Lingjun Zhu , Chao Shi , Yinhu Wang , Rong Liu , Junping Wu , Jiaji Zhu , Jiesheng Wu
    ACM Transactions on Storage 21(2): 10:1-10:29, ToS'25.
    Page
  3. MasterPlan: A Reinforcement Learning Based Scheduler for Archive Storage
    by Xinqi Chen , Erci Xu , Dengyao Mo , Ruiming Lu , Haonan Wu , Dian Ding , Guangtao Xue
    ACM Transactions on Architecture and Code Optimization 22(1): 27:1-27:25, TACO'25.
    Page
  4. Don't Maintain Twice, It's Alright: Merged Metadata Management in Deduplication File System with GogetaFS Distinguished Artifacts Award
    by Yanqi Pan , Wen Xia # , Erci Xu # , Hao Huang , Xiangyu Zou , Shiyi Li
    23rd USENIX Conference on File and Storage Technologies., FAST'25 (CCF-A).
    PDF Video Slides Code
  5. AtomicDisk: A Secure Virtual Disk for TEEs against Eviction Attacks
    by Hongliang Tian , Xinyi Yu , Shaowei Song , Qingsong Chen , Zhihao Zhang , Shiyu Wang , Weijie Liu , Erci Xu , Shoumeng Yan , Yiming Zhang
    23rd USENIX Conference on File and Storage Technologies., FAST'25 (CCF-A).
    PDF Video Slides
  6. Hey Hey, My My, Skewness Is Here to Stay: Challenges and Opportunities in Cloud Block Store Traffic
    by Haonan Wu , Erci Xu # , Ligang Wang , Yuandong Hong , Changsheng Niu , Bo Shi , Lingjun Zhu , Jinnian He , Dong Wu , Weidong Zhang , Qiuping Wang , Changhong Wang , Xinqi Chen , Guangtao Xue , Yi-Chao Chen , Dian Ding
    20th ACM European Conference on Computer Systems, Eurosys'25 (CCF-A).
    PDF Code Dataset

2024

  1. Ransom Access Memories: Achieving Practical Ransomware Protection in Cloud with DeftPunk
    by Zhongyu Wang , Yaheng Song , Erci Xu # , Haonan Wu , Guangxun Tong , Haoran Li , Jincheng Liu , Lijun Ding , Rong Liu , Jiaji Zhu , Jiesheng Wu
    18th USENIX Symposium on Operating Systems Design and Implementation, OSDI'24 (CCF-A).
    PDF Slides Dataset
  2. CSAL: the Next-Gen Local Disks for the Cloud
    by Yanbo Zhou , Erci Xu # , Li Zhang , Kapil Karkra , Mariusz Barczak , Wayne Gao , Wojciech Malikowski , Mateusz Kozlowski , Łukasz Łasek , Ruiming Lu , Feng Yang , Lilong Huang , Xiaolu Zhang , Wenrui Li , Jinhu Li , Keqiang Niu , Jiaji Zhu , Jiesheng Wu
    19th ACM European Conference on Computer Systems, Eurosys'24 (CCF-A).
    PDF Slides Code
  3. What's the Story in EBS Glory: Evolutions and Lessons in Building Cloud Block Store Best Paper Award
    by Weidong Zhang , Erci Xu # , Qiuping Wang , Xiaolu Zhang , Yuesheng Gu , Zhenwei Lu , Tao Ouyang , Guanqun Dai , Wenwen Peng , Zhe Xu , Shuo Zhang , Dong Wu , Yilei Peng , Tianyun Wang , Haoming Zhang , Jiasheng Wang , Wenyuan Yan , Yuanyuan Dong , Wenhui Yao , Zhongjie Wu , Lingjun Zhu , Chao Shi , Yinhu Wang , Rong Liu , Junping Wu , Jiaji Zhu , Jiesheng Wu
    22nd USENIX Conference on File and Storage Technologies., FAST'24 (CCF-A).
    PDF Video Slides

2023

  1. Deploying User-space TCP at Cloud Scale with LUNA
    by Lingjun Zhu , Yifan Shen , Erci Xu # , Bo Shi , Ting Fu , Shu Ma , Shuguang Chen , Zhongyu Wang , Haonan Wu , Zhendan Yang , Xingyu Liao , Wei Lin , Yijun Hou , Rong Liu , Chao Shi , Jiaji Zhu , Jiesheng Wu
    2023 USENIX Annual Technical Conference, ATC'23 (CCF-A).
    PDF Video Slides
  2. From Missteps to Milestones: A Journey to Practical Fail-Slow Detection Invited
    by Ruiming Lu , Erci Xu , Yiming Zhang , Fengyi Zhu , Zhaosheng Zhu , Mengtian Wang , Zongpeng Zhu , Guangtao Xue , Jiwu Shu , Minglu Li , Jiesheng Wu
    ACM Transactions on Storage 19(4): 33:1-33:28, ToS'23.
    Page
  3. Perseus: A Fail-Slow Detection Framework for Cloud Storage Systems Best Paper Award
    by Ruiming Lu * , Erci Xu * , Yiming Zhang , Fengyi Zhu , Zhaosheng Zhu , Mengtian Wang , Zongpeng Zhu , Guangtao Xue , Jiwu Shu , Minglu Li , Jiesheng Wu
    21st USENIX Conference on File and Storage Technologies., FAST'23 (CCF-A).
    PDF Video Slides Dataset
  4. SMRSTORE: A Storage Engine for Cloud Object Storage on HM-SMR Drives
    by Su Zhou , Erci Xu # , Hao Wu , Yu Du , Jiacheng Cui , Wanyu Fu , Chang Liu , Yingni Wang , Wenbo Wang , Shouqu Sun , Xianfei Wang , Bo Feng , Biyun Zhu , Xin Tong , Weikang Kong , Linyan Liu , Zhongjie Wu , Jinbo Wu , Qingchao Luo , Jiesheng Wu
    21st USENIX Conference on File and Storage Technologies., FAST'23 (CCF-A).
    PDF Video Slides

2022

  1. NVMe SSD Failures in the Field: the Fail-Stop and the Fail-Slow
    by Ruiming Lu * , Erci Xu * , Yiming Zhang , Zhaosheng Zhu , Mengtian Wang , Zongpeng Zhu , Guangtao Xue , Minglu Li , Jiesheng Wu
    2022 USENIX Annual Technical Conference, ATC'22 (CCF-A).
    PDF Video Slides Dataset