Chang Guo

Chang Guo is a Ph.D. student at the Intelligent Data Infrastructure Lab at Arizona State University. His research focuses on key-value stores, caching, indexing, and tracing in high-performance computing (HPC) environments.

Publications

LegoIndex A Scalable and Modular Indexing Framework for Efficient Analysis of Extreme-Scale Particle Data

Chang Guo, Ning Yan, Lipeng Wan, Zhichao Cao

HPDC 2025 · 20 Jul 2025

Unlocking the Unusable: A Proactive Caching Framework for Reusing Partial Overlapped Data

Chang Guo, Norbert Podhorszki, Greg Eisenhauer, Zhiwen Xie, Scott Klasky, Zhichao Cao

ACM HotStorage 2025 · 10 Jul 2025 · https://dl.acm.org/doi/10.1145/3736548.3737839

Can ZNS SSDs be Better Storage Devices for Persistent Cache?

Chongzhuo Yang, Zhang Cao, Chang Guo, Ming Zhao, Zhichao Cao

ACM HotStorage 2024 · 08 Jul 2024 · https://doi.org/10.1145/3655038.3665946

SAS-Cache: A Semantic-Aware Secondary Cache for LSM-based Key-Value Stores

Zhang Cao, Chang Guo, Ziyan Lv, Anand Ananthabhotla, Zhichao Cao

MSST 2024 · 03 Jun 2024

Prophet: Optimizing LSM-Based Key-Value Store on ZNS SSDs with File Lifetime Prediction and Compaction Compensation

Gaoji Liu, Chongzhuo Yang, Qiaolin Yu, Chang Guo, Wen Xia, Zhichao Cao

MSST 2024 · 03 Jun 2024

CaaS-LSM: Compaction-as-a-Service for LSM-based Key-Value Stores in Storage Disaggregated Infrastructure

Qiaolin Yu, Chang Guo, Jay Zhuang, Viraj Thakkar, Jianguo Wang, Zhichao Cao

ACM SIGMOD 2024 · 29 May 2024 · https://doi.org/10.1145/3654927