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ThinkMind // FUTURE COMPUTING 2013, The Fifth International Conference on Future Computational Technologies and Applications // View article future_computing_2013_2_20_30031


P-SQLITE: PRAM-Based Mobile DBMS for Write Performance Enhancement

Authors:
Woong Choi
Sung Kyu Park
Seong Min Kim
Min Kyu Maeng
Ki-Woong Park
Kyu Ho Park

Keywords: MDBMS; NAND flash memory; PRAM

Abstract:
Recent advances in mobile services have led to ever-increasing demands for high performance mobile database due to its data-centric characteristics. However, NAND flash memory, which is the main storage medium of mobile device has drawbacks in write operation because of its erase-before-write characteristics. In an attempt to overcome the drawbacks of the NAND flash memory, we propose a new mobile database management system (MDBMS), called P-SQLITE. It is enhanced with the find-grained data management techniques for using phage change random access memory (PRAM) as a caching layer between main memory and NAND flash memory. P-SQLITE continuously monitors the write patterns to identify hot chunk which is fine-grained file access unit and migrates the hot chunks from NAND flash memory to the PRAM. The experimental results show that the P-SQLITE improves the write performance by 47% than the previous MDBMS.

Pages: 32 to 38

Copyright: Copyright (c) The Government of South Korea, 2013. Used by permission to IARIA.

Publication date: May 27, 2013

Published in: conference

ISSN: 2308-3735

ISBN: 978-1-61208-272-1

Location: Valencia, Spain

Dates: from May 27, 2013 to June 1, 2013

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