Sungjin Byeon (SJ)
Sungjin Byeon (SJ)
Embedded Files
Research Interests
Everything about Storage; File System, Zoned Storage, FDP Storage, NAND Flash Memory, Key-Value Database, Vector Database, BlockChain Storage, Memory Management, Storage for AI
Publications
Publications
Sangyun Lee, Sungjin Byeon, Soon Hwang, Jaewan Park, Jooyoung Hwang, Junyeong Han, Javier González, Awais Khan and Youngjae Kim, SlimIO: Lightweight I/O Path Design for Write Isolation in FDP-backed In-Memory Databases, International Parallel Data Systems Workshop (PDSW) held in conjunction with SC25, St. louis, MO, USA, November, 2025, (PDSW 2025), [pdf] [talk]
[Acceptance Rate : 7/16 =44%]
Hamin Hwangbo*, Joseph Ro*, Sungjin Byeon, Safdar Jamil, Junyoung Han, Jooyoung Hwang and Youngjae Kim, Towards A Unified Garbage Collection Strategy in ZNS Key-Value Store File Systems Using Same-Victim GC, In Proceedings of the IEEE Int'l Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS 2024), Krakow, Poland, October, 2024. [pdf] [talk]
[Acceptance Rate : 25%]
[BK Plus Computer Science IF = 2] [KIISE Outstanding]
Sungjin Byeon, Joseph Ro, Jun Young Han, Jeong-Uk Kang, Youngjae Kim, Ensuring Compaction and Zone Cleaning Efficiency through Same-Zone Compaction in ZNS Key-Value Store, In Proceedings of the 38th International Conference on Massive Storage Systems and Technology (MSST 2024), Santa Clara, CA, USA, June, 2024. [pdf] [talk]
[Acceptance Rate : 27/66 = 40.9%]
[BK Plus Computer Science IF = 1] [KIISE Outstanding]
Sungjin Byeon, Joseph Ro, Safdar Jamil, Jeong-Uk Kang, Youngjae Kim, A Free-Space Adaptive Runtime Zone-Reset Algorithm for Enhanced ZNS Efficiency, In Proceedings of the 15th Workshop on Hot Topics in Storage and File Systems (HotStorage 2023), Boston, MA, USA, July 9, 2023. [pdf] [talk]
[Acceptance Rate : 17/43 = 39.5%]
Sungjin Byeon, Kyungwook Min, Map-Based Cost Benefit Garbage Collection Strategy in LSM-ZNS Storage, submitted to conference
Sungjin Byeon, An Tradeoff Breaking Storage Design for FDP SSD, submitted to conference
Donghyun Min, Sungjin Byeon, An SLO guaranteed scheduler for NDP-based Vector Storage, submitted to conference
Jaewan Park, Kyungwook Min, Sungjin Byeon, What's the problem in Level 0 Overlapping in LSM-tree?, submitted to conference
On-Going Projects (these projects are currently is currently on research)
On-Going Projects (these projects are currently is currently on research)
Alleviating GC overhead in DNN training
Compatible File System for High Performance Zone Namespace SSD
Rethinking Compression in Data Placement SSD
High Capacity GC Free Blockchain Storage
Educations
Educations
B.A in Economics in Sogang University (Mar 2018 ~ Feb 2024, Top 0.6% scorer in Korean CSAT)
B.S in Computer Science and Engineering in Sogang University (Sep 2021 ~ Feb 2024)
Economics was my first major when I was admitted, but now I have fully transitioned to being a computer science student and researcher since 2022.
M.S in Computer Science and Engineering in Sogang University (Advisor : Youngjae Kim, Mar 2024 ~ Feb 2026)
Software/Tools
Software/Tools
RocksDB, CacheLib, Solana, ZenFS, TorFS, Linux Kernel I/O Stack (VFS ,F2FS, Block Layer, NVMe driver, Memory Management), Cosmos OpenSSD, FEMU, Filebench, YCSB, Fio, C, C++, Python, Rust
Experiences
Experiences
Soldier in Republic of Korea Army (Sep 2018 ~ May 2020)
Administrative Staff in LG U+ (Aug 2020 ~ July 2021)
Student Researcher (Apr 2022 ~ now)
Operating System TA (Fall 2024)
System Programming TA (Spring 2025)
Languages
Languages
Korean : Native
English : Intermediate (iBT TOEFL 94)
Japanese : Middle school student (approximate to JLPT N1)
Chinese : Real Beginner (Memorizing beginner's vocabulary for HSK)
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