Ph.D. student · POSTECH

Taejun Yoon

윤태준

Caching and memory management
for cloud analytics and LLM serving.

POSTECH · Pohang, South Korea

About

I am a Ph.D. student in the Data Systems Lab at POSTECH, advised by Prof. Wook-Shin Han.

My research focuses on caching and memory management for cloud analytics and LLM serving, from caching strategies for cloud OLAP systems to KV-cache management in LLM serving.

Cloud data systems
LLM KV-cache management
LLM serving systems

Publications

SIGMOD 2027Proc. ACM Manag. Data, to appear

Cache Replacement in Direct-Access Cloud OLAP—An Experimental Comparison and Practical Guidance

Taejun Yoon^*, Taesung Lee^*, Joo Yeon Lee, Ki Hong Kim, Byungchul Tak, Wook-Shin Han

^*Equal contribution

Background

Education

M.S./Ph.D. Integrated Program in Computer Science and Engineering

Pohang University of Science and Technology (POSTECH)

Data Systems Lab · Advisor: Prof. Wook-Shin Han

Mar 2024 – Present

B.S. in Computer Science and Engineering

POSTECH

GPA 4.07 / 4.3

Summa Cum Laude

Feb 2020 – Feb 2024

Experience

Research Intern

POSTECH Data Systems Lab

Fixed recovery correctness bugs in a state-of-the-art parallel logging scheme for in-memory DBMSs

Fixed and optimized a competing parallel recovery scheme, improving its throughput by up to 2x

Implemented operation-level workload capture and replay for database replay research

Implemented efficient data loading for a distributed database system

Jun 2022 – Feb 2024

Honors

Bang Sung-Yang Graduate Fellowship

Dept. of Computer Science and Engineering, POSTECH

2024

Teaching

CSED321

Programming Languages

Teaching Assistant

Spring 2026

CSED421

Database Systems