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Journal and Conference Papers

2020

Minsub Kim, Jaeha Kung; Sungjin Lee

Towards Scalable Analytics with Inference-enabled Solid-state Drives Journal Article Forthcoming

IEEE Computer Architecture Letters (CAL), Forthcoming.

BibTeX

2019

Jungwoo Lee, Hwangje Han, Sungjin Lee, Minseok Song

Lifetime-aware Solid-state Disk (SSD) Cache Management for Video Servers Journal Article

Springer Multimedia Systems, 25 (6), pp. 695–708, 2019, ISSN: 0942-4962.

Links | BibTeX

Cheng Ji, Li-Pin Chang, Sangwook Shane Hahn, Sungjin Lee, Riwei Pan, Liang Shi, Jihong Kim; Chun Jason Xue

File Fragmentation in Mobile Devices: Measurement, Evaluation, and Treatment Journal Article

IEEE Transactions on Mobile Computing, 18 (9), pp. 2062-2076, 2019, ISSN: 1536-1233.

Links | BibTeX

Myoungjun Chun, Taejin Kim, Sungjin Lee, Jihong Kim

PCDedup: I/O-Activity Centric Deduplication for Improving the SSD Lifetime Conference

In Proceedings of the ACM SIGOPS Asia-Pacific Workshop on Systems (APSys 2019), 2019, ISBN: 978-1-4503-6893-3 .

Links | BibTeX

Jaeho Kim, Kwanghyun Lim, Youngdon Jung, Sungjin Lee, Changwoo Min,; Sam H. Noh

Alleviating Garbage Collection Interference Through Spatial Separation in All Flash Arrays Conference

In Proceedings of the USENIX Annual Technical Conference (USENIX ATC `19), 2019, ISBN: 978-1-939133-03-8.

Links | BibTeX

Youil Han, Jeseong Yeon, Bryan S. Kim, Sungjin Lee, Eunji Lee

TeksDB: Weaving Data Structures for a High-Performance Key-Value Store Conference

In Proceedings of the ACM International Conference on Measurement and Modeling of Computer Systems (SIGMETRICS '19), 2019.

Links | BibTeX

Jisung Park, Youngdon Jung, Jonghoon Won, Minji Kang, Sungjin Lee, Jihong Kim

RansomBlocker: a Low-Overhead Ransomware-Proof SSD Conference

In Proceedings of the Design Automation Conference (DAC '19), 2019, ISBN: 978-1-4503-6725-7.

Links | BibTeX

Bryan S. Kim, Eunji Lee, Sungjin Lee, Sang Lyul Min

CPR for SSDs Conference

In Proceedings of the Workshop on Hot Topics in Operating Systems (HOTOS XVII), 2019, ISBN: 978-1-4503-6727-1.

Links | BibTeX

Chanwoo Chung, Jinhyung Koo, Junsu Im, Arvind, Sungjin Lee

LightStore: Software-defined Network-attached Key-value Drives Conference

In Proceedings of the ACM International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS'19), 2019, ISBN: 978-1-4503-6240-5.

Links | BibTeX

Taejin Kim, Duwon Hong, Sangwook Shane Hahn, Myungjun Chun, Sungjin Lee, Jooyoung Hwang, Jongyoul Lee, Jihong Kim

Fully Automatic Stream Management for Multi-Streamed SSDs Using Program Contexts Conference

In Proceedings of the USENIX Conference on File and Storage Technologies (USENIX FAST' 19), 2019, ISBN: 978-1-939133-09-0.

Links | BibTeX

2018

Jisung Park, Myungsuk Kim, Sungjin Lee; Jihong Kim

Improving I/O Performance of Large-Page Flash Storage Systems Using Subpage-Parallel Reads Conference

In Proceedings of the IEEE Non-Volatile Memory Systems and Applications Symposium (NVMSA '18), Hakodate, Japan, 2018.

BibTeX

Seungwook Han, Sungjin Lee, Jihong Kim

SyncGC: A Synchronized Garbage Collection Technique for Reducing Tail Latency in Cassandra Conference

In Proceedings of the ACM Asia-Pacific Workshop on Systems (APSys 2018), 2018.

BibTeX

Sangwook Hahn, Sungjin Lee, Inhyuk Yee, Donguk Ryu, Jihong Kim

FastTrack: Foreground App-Aware I/O Management for Improving User Experience of Android Smartphones Conference

In Proceedings of the USENIX Annual Technical Conference (USENIX ATC '18), 2018.

BibTeX

Taejin Kim, Sangwook Hahn, Sungjin Lee, Jooyoung Hwang, Jongyoul Lee, Jihong Kim

PCStream: Automatic Stream Allocation Using Program Contexts Conference

In Proceedings of the USENIX Workshop on Hot Topics in Storage and File Systems (USENIX HotStorage 2018) , 2018.

BibTeX

Sungha Baek, Youngdon Jung, Aziz Mohaisen, Sungjin Lee; Daehun Nyang

SSD-Insider: Internal Defense of Solid-State Drive against Ransomware with Perfect Data Recovery Conference

In Proceedings of the IEEE International Conference on Distributed Computing Systems (ICDCS '18), 2018.

BibTeX

Jisung Park, Myungsuk Kim, Youngsun Song, Sungjin Lee, Jihong Kim

Improving I/O Performance of Large-Page Flash Storage Systems Using Subpage-Parallel Reads Conference

Design Automation Conference (DAC '18) (Poster), 2018, 2018.

BibTeX

Young Tack Jin, Sungjoon Ahn, Sungjin Lee

Performance Analysis of NVMe SSD-based All-flash Array Systems Conference

In Proceedings of the IEEE International Symposium on Performance Analysis of Systems and Software (ISPASS' 18), 2018, (One of Best Paper Nominees).

BibTeX

Jeseong Yeon; Minseong Jeong; Sungjin Lee; Eunji Lee

RFLUSH: Rethink the Flush Conference

In Proceedings of the USENIX Conference on File and Storage Technologies (USENIX FAST' 18), 2018.

BibTeX

2017

Taejin Kim, Sungjin Lee, Jihong Kim

FineDedup: A Fine-grained Deduplication Technique for Extending Lifetime of Flash-based SSDs Journal Article

Journal of Semiconductor Technology and Science, 17 (5), pp. 648-659, 2017.

BibTeX

Sangwook Shane Hahn; Sungjin Lee; Inhyuk Yee; Jihong Kim

Improving User Experience of Android Smartphones Using Foreground App-Aware I/O Management Conference

In Proceeding of the Asia-Pacific Workshop on Systems (APSys '17), 2017.

BibTeX

Shuotao Xu; Sungjin Lee; Sang-Woo Jun; Ming Liu; Jamey Hicks; Arvind

BlueCache: A Scalable Distributed Flash-based Key-value Store Conference

Proceedings of the International Conference on Very Large Data Bases (VLDB '17), 2017.

BibTeX

Sangwook Hahn; Sungjin Lee; Cheng Ji; Li-Pin Chang; Inhyuk Yee; Liang Shi; Chun Jason Xue; Jihong Kim

Improving File System Performance of Mobile Storage Systems Using a Decoupled Defragmenter Conference

In Proceedings of the USENIX Annual Technical Conference (USENIX ATC '17), 2017.

BibTeX

Chanwoo Chung; Jinhyung Koo; Arvind; Sungjin Lee

Lightweight KV-based Distributed Store for Datacenters Conference

In Proceedings of the USENIX Workshop on Hot Topics in Storage and File Systems (USENIX HotStorage '17), 2017.

BibTeX

Myungsuk Kim; Jaehoon Lee; Sungjin Lee; Jisung Park; Jihong Kim

Improving Performance and Lifetime of Large-Page NAND Storages Using Erase-Free Subpage Programming Conference

In the Proceedings of the Design Automation Conference (DAC '17), 2017.

BibTeX

Eunji Lee; Julie Kim; Hyokyung Bahn; Sungjin Lee; Sam H. Noh

Reducing Write Amplification of Flash Storage through Cooperative Data Management with NVM Journal Article

ACM Transactions on Storage, 13 (Issue 2, Article No. 12), 2017.

BibTeX

Jeseong Yeon; Minseong Jeong; Sungjin Lee; Eunji Lee

Untie a Knot in a Last Stage Buffer Conference

Presented in the ACM European Conference on Computer Systems (EuroSys '17) (Poster), 2017.

BibTeX

Jaeyong Jeong; Youngsun Song; Sangwook Hahn; Sungjin Lee; Jihong Kim

Dynamic Erase Voltage and Time Scaling for Extending Lifetime of NAND Flash-based SSDs Journal Article

IEEE Transactions on Computers, 66 (4), pp. 616-630, 2017.

BibTeX

Jisung Park; Sungjin Lee; Jihong Kim

DAC: Dedup-Assisted Compression Scheme for Improving Lifetime of NAND storage systems Conference

In Proceedings of the Design, Automation, and Test in Europe Conference (DATE '17), 2017.

BibTeX

Sangwook Hahn; Cheng Ji; Sungjin Lee; Li-Pin Chang; Jeongseok Ryoo; Liang Shi; Chun Jason Xue; Jihong Kim

Dewco: Improving File System Performance of Mobile Storage Systems Using a Copyless Defragmenter Conference

Presented in the USENIX Conference on File and Storage Technologies (FAST'17) (WiP), 2017.

BibTeX

Myungsuk Kim; Jaehoon Lee; Sungjin Lee; Jisung Park; Youngsun Song; Jihong Kim; Sangwook Shane Hahn

ESP: Improving Performance and Lifetime of Large-Page NAND Storage Using Erase-Free Subpage Programming Conference

Presented in the USENIX Conference on File and Storage Technologies (FAST'17) (WiP), 2017.

BibTeX

2016

Sangwoo Jun; Ming Liu; Sungjin Lee; Jamey Hicks; John Ankcorn; Myron King; Shutao Xu; Arvind

BlueDBM: Distributed Flash Storage for Big Data Analytics Journal Article

ACM Transactions on Computer Systems, 34 (Issue 3, Article 7), pp. 1-31, 2016.

BibTeX

Taejin Kim; Sungjin Lee; Jisung Park; Jihong Kim

Efficient Lifetime Management of SSD-based RAIDs Using Dedup-Assisted Partial Stripe Writes Conference

IEEE Non-Volatile Memory System and Applications Symposium (NVMSA '16), 2016.

BibTeX

Jisung Park; Jaeyong Jeong; Youngsun Song; Sungjin Lee; Jihong Kim

Improving Performance and Lifetime of NAND Storage Systems Using Relaxed Program Sequence Conference

In Proceedings of the Design Automation Conference (DAC '16), 2016.

BibTeX

Sungjin Lee; Dongkun Shin; Youngjin Kim; Jihong Kim

Exploiting Sequential and Temporal Localities to Improve Performance of NAND Flash-Based SSDs Journal Article

ACM Transactions on Storage, 12 (Issue 3, Article 15), pp. 1-39, 2016.

BibTeX

Sungjin Lee; Jihong Kim

Effective Lifetime-Aware Dynamic Throttling for NAND Flash-Based SSDs Journal Article

IEEE Transactions on Computers, 65 (4), 2016.

BibTeX

Ming Liu; Sang-Woo Jun; Sungjin Lee; Jamey Hicks; Arvind

minFlash: A Minimalistic Clustered Flash Array Conference

In Proceedings of the Design, Automation, and Test in Europe Conference (DATE '16), 2016.

BibTeX

Sungjin Lee; Ming Liu; Sang-Woo Jun; Shuotao Xu; Jihong Kim; Arvind

Application-Managed Flash Conference

In Proceedings of the USENIX Conference on File and Storage Technologies (FAST'16), 2016.

BibTeX

2015

Sangwoo Jun; Ming Liu; Sungjin Lee; Jamey Hicks; John Ankcorn; Myron King; Shutao Xu; Arvind

BlueDBM: An Appliance for Big Data Analytics Conference

In Proceedings of the International Symposium on Computer Architecture (ISCA '15), 2015.

BibTeX

Sangwook Hahn; Sungjin Lee; Jihong Kim

To Collect or Not to Collect: Just-in-Time Garbage Collection for High-Performance SSDs with Long Lifetimes Conference

In Proceedings of the Design Automation Conference (DAC '15), 2015.

BibTeX

Sungjin Lee; Jihong Kim; Arvind

Refactored Design of I/O Architecture for Flash Storage Journal Article

IEEE Computer Architecture Letters, 14 (1), pp. 70-74, 2015.

BibTeX

2014

Sungjin Lee; Jihong Kim

Improving Performance and Capacity of Flash Storage Devices by Exploiting Heterogeneity of MLC Flash Memory Journal Article

IEEE Transactions on Computers, 63 (10), pp. 2445-2458, 2014.

BibTeX

Jaeyong Jeong; Sangwook Hahn; Sungjin Lee; Jihong Kim

Lifetime Improvement of Flash-based Storage Systems Using Dynamic Program and Erase Scaling Conference

In Proceedings of the USENIX Conference on File and Storage Technologies (FAST '14), 2014.

BibTeX

Taejin Kim; Jisung Park; Sungjin Lee; Jihong Kim

Lifetime Improvement Techniques for Multiple SSDs Conference

In Proceedings of the USENIX Conference on File and Storage Technologies (FAST '14) (Poster), 2014.

BibTeX

2013

Sungjin Lee; Dongkun Shin; Jihong Kim

BAGC: Buffer-Aware Garbage Collection for Flash-Based Storage Systems Journal Article

IEEE Transactions on Computers, 62 (11), pp. 2141-2154, 2013.

BibTeX

Jaeyong Jeong; Sangwook Hahn; Sungjin Lee; Jihong Kim

Improving NAND Endurance by Dynamic Program and Erase Scaling Conference

In Proceedings of The 5th USENIX Workshop on Hot Topics in Storage and File Systems (HotStorage 13), 2013.

BibTeX

Taejin Kim; Sungjin Lee; Jihong Kim

FineDedup: A Fine-Grained Deduplication Technique for Flash-Based SSDs Conference

Presented at the 50th Design Automation Conference (DAC '13) (Poster), 2013.

BibTeX

Sangwook Hahn; Sungjin Lee; Jihong Kim

Software-Based Out-of-Order Scheduling for High-Performance NAND Flash-Based SSDs Conference

In Proceedings of the 29th IEEE Conference on Massive Data Storage (MSST '13), 2013.

BibTeX

Sungjin Lee; Taejin Kim; Jisung Park; Jihong Kim

An Integrated Approach for Managing the Lifetime of Flash-Based SSDs Conference

In Proceedings of the Design, Automation, and Test in Europe Conference (DATE '13), 2013.

BibTeX

2012

Taejin Kim; Sungjin Lee; Jihong Kim

FineDedup: A Fine-Grained Deduplication Technique for Flash-Based SSDs Journal Article

Presented at the Memory Architecture and Organization Workshop (MeAOW '12), 2012.

BibTeX

Sungjin Lee; Jisung Park; Jihong Kim

FlashBench: A Workbench for a Rapid Development of Flash-Based Storage Devices Conference

In Proceedings of the 23th IEEE International Symposium on Rapid System Prototyping (RSP '12), 2012.

BibTeX

Sungjin Lee; Taejin Kim; Kyungho Kim; Jihong Kim

Lifetime Management of Flash-Based SSDs Using Recovery-Aware Dynamic Throttling Conference

Proceedings of the USENIX Conference on File and Storage Technologies (FAST '12), 2012.

BibTeX

2011

Sungjin Lee; Jihoon Park; Kermin Fleming; Arvind; Jihong Kim

Improving Performance and Lifetime of Solid-State Drives Using Hardware-Accelerated Compression Journal Article

IEEE Transactions on Consumer Electronics, 57 (4), pp. 1732-1739, 2011.

BibTeX

Sungjin Lee; Taejin Kim; Kyungho Kim; Jihong Kim

Guaranteeing the Lifetime of SSDs Using Recovery-Aware Dynamic Throttling Conference

Presented at the Memory Architecture and Organization Workshop (MeAOW '11), 2011.

BibTeX

2010

Sungjin Lee; Jihong Kim

Using Dynamic Voltage Scaling for Energy-Efficient Flash-based Storage Devices Conference

In Proceedings of IEEE/CAS International SoC Design Conference (ISOCC '10), 2010.

BibTeX

Sungjin Lee; Kermin Fleming; Jihoon Park; Keonsoo Ha; Adrian Caulfield; Steven Swanson; Arvind; Jihong Kim

BlueSSD: An Open Platform for Cross-layer Experiments for NAND Flash-based SSDs Conference

In Proceedings of the Annual Workshop on Architectural Research Prototyping (WARP '10), 2010.

BibTeX

2009

Sungjin Lee; Keonsoo Ha; Kangwon Zhang; Jihong Kim; Junghwan Kim

FlexFS: A Flexible Flash File System for MLC NAND Flash Memory Conference

In Proceedings of the USENIX Annual Technical Conference (USENIX '09), 2009.

BibTeX

2008

Sungjin Lee; Dongkun Shin; Jihong Kim

Buffer-Aware Garbage Collection for NAND Flash Memory-Based Storage Systems Conference

In Proceedings of the IEEE International Workshop on Software Support for Portable Storage (IWSSPS '08), 2008.

BibTeX

Sungjin Lee; Dongkun Shin; Young-Jin Kim; Jihong Kim

LAST: Locality-Aware Sector Translation for NAND Flash Memory-Based Storage Systems Journal Article

ACM Operating Systems Review, 42 (6), pp. 36-42, 2008.

BibTeX

Sungjin Lee; Dongkun Shin; Young-Jin Kim; Jihong Kim

LAST: Locality-Aware Sector Translation for NAND Flash Memory-Based Storage Systems Conference

In Proceedings of the IEEE International Workshop on Storage and I/O Virtualization, Performance, Energy, Evaluation and Dependability (SPEED '08), 2008.

BibTeX

2007

Young-Jin Kim; Sungjin Lee; Kangwon Zhang; Jihong Kim

I/O Performance Optimization Techniques for Hybrid Hard Disk-Based Mobile Consumer Devices Journal Article

IEEE Transactions on Consumer Electronics, 53 (4), pp. 1469-1476, 2007.

BibTeX

 

Patents

2014

Jihong Kim; Taejin Kim; Jisung Park; Sungjin Lee

Nonvolatile Memory Device, Distributed Disk Controller, and Deduplication Method Thereof Patent

U.S. Application Number 14/565,107, 2014.

BibTeX

2013

Jeonghoon Jeong; Jihong Kim; Sungjin Lee; Kyung Ho Kim; Sangmok Kim; Hyunchul Park; Otae Bae; Donggi Lee

Method for Adjusting Performance of a Storage Device and a Semiconductor Storage Device Therefore Patent

U.S. Patent No. 9,015,403, 2013.

Abstract | BibTeX

2011

Sungjin Lee; Jihong Kim; Kyung Ho Kim; Sangmok Kim; Hyunchul Park; Otae Bae; Jeonghoon Jeong; Donggi Lee

Method for Adjusting Storage Performance and Semiconductor Storage Device Therefore Patent

Korea Patent Pending No. 10-2011-0113217, 2011.

BibTeX

Sungjin Lee; Dongkun Shin; Jihong Kim

Buffer-aware Garbage Collection Technique Patent

Korea Patent No. 10-1067018, 2011.

BibTeX

Sungjin Lee; Jihong Kim

Locality-aware Sector Translation Technique for NAND Flash Memory Patent

Korea Patent No. 10-1017067, 2011.

BibTeX