Joontaek Oh

Joontaek Oh

Postdoctoral Researcher at School of CS in UW-Madison

I am a Postdoctoral Researcher in the School of Computer, Data & Information Sciences at UW-Madison. I was a member of Operating Systems Laboratory (OSLab) led by Prof. Youjip Won. Currently, I am a member of NetLab led by Prof. Ming Liu. I am interested in Linux kernel as whole including the IO subsystem and the Memory Management System. I am focusing on the emergence of a manycore server and a high-performance storage and researching the system software on the manycore server or the high-performance storage. I can be reached at joontaek.oh@wisc.edu. My detailed cv is here.

Education

  • Ph.D, Department of Electrical Engineering, Korea Advanced Institute of Science and Technologies (KAIST), 2020 - 2024
  • Ph.D student, Department of Computer Software, Hanyang University, 2018 - 2020
  • MS, Department of Computer Software, Hanyang University, 2016 - 2018
  • BS, Department of Information Security Engineering, 2013 - 2015

Selected Publications

  • [USENIX FAST '25] Jieun Kim, Joontaek Oh, Juwon Kim, Seung Won Yoo, and Youjip Won, "OPIMQ: Order Preserving IO stack for Multi-Queue Block Device”, In Proc. of USENIX Conference on File and Storage Technologies (FAST) 2025, Feb, 25-27, 2025
  • [USENIX FAST '25] Juwon Kim, Seungjae Lee, Joontaek Oh, Dongkun Shin, and Youjip Won, "D2FS: Device-Driven Filesystem Garbage Collection”, In Proc. of USENIX Conference on File and Storage Technologies (FAST) 2025, Feb, 25-27, 2025
  • [USENIX FAST '25] Seung Won Yoo, Joontaek Oh, Myoengin Cheon, Bonmoo Koo, Wonseb Jeong, Hyunsub Song, Hyeonho Song, Donghun Lee, and Youjip Won, "DJFS : Directory-Granularity Filesystem Journaling for Memory-Semantic SSD”, In Proc. of USENIX Conference on File and Storage Technologies (FAST) 2025, Feb, 25-27, 2025
  • [USENIX FAST '23] Joontaek Oh, Seung Won Yoo, Hojin Nam, Changwoo Min and Youjip Won, “CJFS : Concurrent Journaling for Better Scalability”, In Proc. of USENIX Conference on File and Storage Technologies (FAST) 2023, Feb, 20-23, 2023
  • [USENIX ATC '22] Juwon Kim, Minsu Jang, Danish Muhammad Teeshen, Joontaek Oh, and Youjip Won “IPLFS: Log-Structured File System without Garbage Collection“, In Proc. of USENIX Annual Technical Conference (ATC) 2022, July. 11-13, 2022
  • [USENIX FAST '22] Dohyun Kim, Kwangwon Min, Joontaek Oh, and Youjip Won “ScaleXFS: Getting scalability of XFS back on the ring“, In Proc. of USENIX Conference on File and Storage Technologies (FAST) 2022, Feb, 22-24, 2022
  • [USENIX FAST '22] Joontaek Oh, Sion Ji, Yongjin Kim, and Youjip Won, “exF2FS: Transaction Support in Log-Structured Filesystem“, In Proc. of USENIX Conference on File and Storage Technologies (FAST) 2022, Feb, 22-24, 2022
  • [USENIX FAST '18] Youjip Won, Jaemin Jung, Gyeongyeol Choi, Joontaek Oh, Seongbae Son, Jooyoung Hwang, Sangyeun Cho “Barrier Enabled IO Stack for Flash Storage”, in proc. of USENIX Conference on File and Storage Technologies (FAST), Oakland, CA, USA, Feb. 12-15, 2018 (Awarded Best Paper)

Awards

  • Best Ph.D. student Award, EE Dept., KAIST, 2023
  • Best TA Award, EE Dept., KAIST, 2020
  • Best Paper Award, USENIX FAST 2018

Social Links

  • Github: https://github.com/joontaekoh
  • LinkedIn: https://www.linkedin.com/in/joontaek-oh-145610160/
  • CV: https://joontaekoh.github.io/resume_joontaek.pdf