Compaction-Aware Zone Allocation for LSM based Key-Value Store on ZNS SSDs
Hee-Rock Lee, Chang-Gyu Lee, Seungjin Lee, Youngjae Kim
In proceedings of 14th ACM Workshop on Hot Topics in Storage and File Systems (HotStorage 2022)
[ paper ]

Concurrent file metadata structure using readers-writer lock
Chang-Gyu Lee, Sunghyun Noh, Hyeongu Kang, Soon Hwang, Youngjae Kim
In proceedings of the 36th Annual ACM Symposium on Applied Computing (SAC 2021)
[ paper ]

GPUKV: an integrated framework with KVSSD and GPU through P2P communication support
Min-Gyo Jung, Chang-Gyu Lee, Donggyu Park, Sungyong Park, Jungki Noh, Woosuk Chung, Kyoung Park, Youngjae Kim
In proceedings of the 36th Annual ACM Symposium on Applied Computing (SAC 2021)
[ paper ]

Parallelizing Shared File I/O operations of NVM File System for Manycore Servers
June-Hyung Kim, Youngjae Kim, Safdar Jamil, Chang-Gyu Lee, Sungyong Park
IEEE Access, Volume 9 (2021)
[ paper ]

Crocus: Enabling Computing Resource Orchestration for Inline Cluster-wide Deduplication on Scalable Storage Systems
Prince Hamandawana, Awais Khan, Chang-gyu Lee, Sungyong Park, Youngjae Kim
IEEE Transactions on Parallel and Distributed Systems, Volume 31-8 (August 2020)
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iLSM-SSD: An Intelligent LSM-tree based Key-Value SSD for Data Analytics
Chang-Gyu Lee, Hyeongu Kang, Donggyu Park, Sungyong Park, Youngjae Kim, Jungki Noh, Woosuk Chung, Kyoung Park
In proceedings of IEEE 27th International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS 2019)
[ paper ]

Write Optimization of Log-structured Flash File System for Parallel I/O on Manycore Servers
Chang-Gyu Lee, Hyunki Byun, Sunghyun Noh, Hyeongu Kang, Youngjae Kim
In proceedings of the 12th ACM International Systems and Storage Conference (SYSTOR 2019)
[ paper ]

pNOVA: Optimizing Shared File I/O Operations of NVM File System on Manycore Servers
June-Hyung Kim, Jangwoong Kim, Hyeongu Kang, Chang-Gyu Lee, Sungyong Park, Youngjae Kim
In proceedings of the 10th ACM SIGOPS Asia-Pacific Workshop on Systems (APSYS 2019)
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A Robust Fault-Tolerant and Scalable Cluster-wide Deduplication for Shared-Nothing Storage System
Awais Khan, Chang-Gyu Lee, Prince Hamandawana, Sungyong Park, Youngjae Kim
In proceedings of IEEE 26th International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS 2018)
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