About Me

I am a 2nd-year PhD student advised by Prof. Youyou Lu and Jiwu Shu.

My research interests lie in file systems and vector storage.

Education

News

• May, 2023. SuperFS got No.1 in the I0500 Research Overall Score.

• Nov, 2022. SuperFS got No.1 in the metadata performance of the IO500 10-node list. SuperFS is a distributed file system that leverages emerging NVMe, RDMA, and PM technologies.

Publication Lists

• Achieving Low-Latency Graph-Based Vector Search via Aligning Best-First Search Algorithm with SSD.
  
  Hao Guo, Youyou Lu,
  
  The 19th USENIX Symposium on Operating Systems Design and Implementation (OSDI'25), 2025
  PDF
• Frugal: Efficient and Economic Embedding Model Training with Commodity GPUs.
  
  Minhui Xie, Shaoxun Zeng, Hao Guo, Shiwei Gao, Youyou Lu,
  
  The 30th Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS'25), 2025
  PDF
• Volley: Accelerating Write-Read Orders in Disaggregated Storage.
  
  Shaoxun Zeng, Xiaojian Liao, Hao Guo, Youyou Lu,
  
  The 19th European Conference on Computer Systems (EuroSys'24), 2024
  PDF
• 面向高速硬件的高性能文件系统.
  
  Youyou Lu, Hao Guo, Shaoxun Zeng, Yitian Yang,
  
  中国计算机学会通讯 (中国计算机学会通讯), 2024
  PDF
• SingularFS: A Billion-Scale Distributed File System Using a Single Metadata Server.
  
  Hao Guo, Youyou Lu, Wenhao Lv, Xiaojian Liao, Shaoxun Zeng, Jiwu Shu,
  
  USENIX Annual Technical Conference (USENIX ATC'23), 2023
  PDF

Honors Awarded

• Nanxiang Jiang Scholarship, Tsinghua University, 2021