Distributed Computing System Lab,
   School of Computer Science & Engineering,
   Seoul National University

   CV: click here (Apr/06/2014)
   E-mail: yjyu at dcslab.snu.ac.kr

  Education

       Seoul National University(PhD candidate)        Mar. 2006. ~
       Seoul National University(B.S.)        Mar. 2002. ~ Feb. 2006.

  Papers

       * Young Jin Yu, Dong In Shin, Woong Shin, Nae Young Song, Hyeonsang Eom and Heon Y. Yeom, "Exploiting Peak Device Throughput from Random Access Workload", USENIX HotStorage'12, Boston.
       * Young Jin Yu, Dong In Shin, Hyeong Seog Kim, Hyeonsang Eom and Heon Y. Yeom, "Informed Swap System for Better Thrashing", USENIX ATC 2011 Poster Session, Portland.
       * Young Jin Yu, Dong In Shin, Hyeong Seog Kim, Hyeonsang Eom and Heon Y. Yeom, "Backup Metadata As Data: DPC-Tolerance to Commodity File Systems", Journal of Information Science and Engineering (JISE), pp. 1193-1218, Vol. 27, No. 5 (July 2011).
       * Young Jin Yu, Dong In Shin, Hyeong Seog Kim, Hyeonsang Eom and Heon Y. Yeom, "Backup Metadata As Data: DPC-Tolerance to Commodity File Systems", OSDI 2010 Poster session, Vancouver, BC.
       * Young Jin Yu, Dong In Shin, and Heon Y. Yeom, "NCQ vs. I/O Scheduler: Preventing Unexpected Misbehaviors", ACM Transactions on Storage, Vol. 6, No. 1, Article 2, Publication date: March 2010.
       * Hyeong Seog Kim, Dong In Shin, Young Jin Yu , Hyeonsang Eom and Heon Y. Yeom, "Energy Proportional Cloud for Data Processing Frameworks", USENIX sustainIT'10, San Jose, CA.
       * Dong In Shin, Young Jin Yu, and Heon Y. Yeom, "Shedding Light in the Black-Box : Structural Modeling of Modern Disk Drives", 15th Annual Meeting of the IEEE International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS 2007)

  Patents

       NCQ and Computing device, Heon Young Yeom, Young Jin Yu, Dong In Shin, 2010. 08.

  Projects

       TAEJIN Infotec.        Highly-available, Highly-reliable, High-performance Cache        Mar. 2010. ~ Current
       SKT        (confidential)        Aug. 2009. ~ Nov. 2009.
       KISTI        Web2.0 Technologies to Grid Services        Mar. 2008. ~ Nov. 2008.
       Seoul City        Grid Services for controlling remote devices, visualizing realtime data, ...        Mar. 2007. ~ Nov. 2009.
       KOCED        Grid Services for recording/replaying realtime data        May. 2006. ~ Nov. 2006.

  Scholarship

       Samsung Electronics, TN.        Industry-Academia Collaboration Program        Dec. 2008. ~ Feb. 2012.

  Research

            * Hard Disk Drive Modeling
            * (More Informed) I/O Scheduling
            * Extended Interface bet'n OS and Storage Device
            * Data Recovery
            * File System Reliability
            * Cloud Storage

 

  Technical

            * C - storage stack modification in linux kernel 2.6
            * C++ - STL, numerical analysis
            * Java SE - Java Media Framework(JMF), Narada Broker
            * Java EE - EJB3.0, JEUS
            * JavaScript - Yahoo YUI, Dojo
            * Python(My favorite) - Django, Web crawlers
            * Cloud - Google AppEngine, Amazon S3
            * Grid - Globus Toolkit4
            * Web2.0 - RIA, OpenAPI, MashUp, REST
            * Windows - NTFS, Filter driver, Detour
            * Smartphone Applications
            * Emacs

 

  Private

            * Soccer, Squash, Table tennis
            * Baduk(Go)

 

  Links

            * Hard-Disk (Wikipedia)
            * Solid-State-Drive (Wikipedia)
            * CUDA
            * http://driveronline.org/ (Device Driver)
            * Korea System Programmer (Device Driver)
            * HP Storage Articles
            * Microsoft Storage
            * Xen
            * J2EE Study