Research Groups

페타바이트-스케일 메모리 데이터베이스 연구실

PIDL(Petabyte scale In-memory Database Lab)

Prof. : Prof. Cha, Sang Kyun

Research Area : Petabyte-scale in-memory database

  • About the Laboratory & Research Area
  • ◦ Emphasis on solving 'real' problems with 'future' impact
    ◦ Problem formulation from experience of software systems development
    ◦ State-of-art technology updates from Silicon Valley
    ◦ Leverage SAP's global R&D network through SAP Korea labs
    ◦ Value on Publishing 'software systems' to the real world
    ◦ More difficult but rewarding than only publishing a paper
    ◦ SAP Ph.D. research program to be available(contact Prof.Cha)
    ◦ Financial support & access to research issues of SAP-internal project
    ◦ Early test of the state-of-art HW provided by SAP partners such as Intel(e.g., 32-core Intel Nehalem EX servers)
  • Research Interests & Projects
  • Exploit hardware-level(multi-cores with shared L2 cache) and cloud-level parallelism for real-time processing

    Data partitioning over column and row storage table types

    Join query processing over a mixture of row and column storage tables
  • Journals & Patents
  • A Performance Anomaly Detection and Analysis Framework for DBMS Development
    D Lee, SK Cha, AH Lee
    Knowledge and Data Engineering, IEEE Transactions on, Aug 2012

    SAP HANA database: data management for modern business applications
    F Färber, SK Cha, J Primsch, C Bornhövd, S Sigg, Wolfgang Lehner
    Newsletter, ACM SIGMOD Record Volume 40 Issue 4, Dec 2011

    Efficient transaction processing in SAP HANA database: the end of a column store myth
    V Sikka, F Färber, W Lehner, SK Cha, T Peh, Christof Bornhövd
    SIGMOD '12 Proceedings of the 2012 ACM SIGMOD International Conference on Management of Data