EESSD (Energy-Efficient Storage System for Databases)

Project

This project investigates how to improve the energy efficiency of database storage systems, and how they can contribute to the optimization of the overall energy consumption and performance of database systems (see also our project Energy-Efficient DBS). We study and propose novel architectures, algorithms, and techniques related to emerging memory technologies such as Flash memory and PCM (Phase-Change Memory). These memories have some attractive properties in common: low access latency, low idle power, and high density. A prototype system (eessd) is being developed to support empirical methods.

Staff

Theo Härder

Project Leader

Yi Ou

Scientific Staff

Caetano Sauer

Scientific Staff

Peiquian Jin

Visiting Scholar (2009)

Jianliang Xu

External Collaborator (Hong Kong Baptist University)

Students

Yannick Krück

BSc Thesis (PCM Buffer Replacement Algorithms)

Publications

2014

pdf
Yi Ou, Lei Chen, Jianliang Xu and Theo Härder
Wear-Aware Algorithms for PCM-Based Database Buff er Pools
In: Proc. Web Age Information Management (WAIM 2014), LNCS 8597, ISBN 978-3-319-11537-5, pp. 165-176
Springer, June 2014
pdf
Yi Ou, Peiquan Jin and Theo Härder
Flash-Aware Buffer Management for Database Systems
Int. Journal of Knowledge-Based Organizations (IJKBO), 3(4), pp. 22-39
April 2014

2012

pdf
Yi Ou, Jianliang Xu and Theo Härder
Towards an Efficient Flash-Based Mid-Tier Cache
In: Proc. DEXA 2012, pp. 55-70
Springer, September 2012
pdf
Yi Ou
Caching for flash-based databases and flash-based caching for databases
Ph.D. Thesis, University of Kaiserslautern, Verlag Dr. Hut, Online August 2012
pdf
Yi Ou and Theo Härder
Improving Database Performance Using a Flash-Based Write Cache
In: Proc. DASFAA'12, 2nd Int. Workshop on FlashDB, LNCS 7240, pp. 2-13
Springer, April 2012
pdf
Peiquan Jin, Yi Ou, Theo Härder and Zhi Li
AD-LRU: An Efficient Buffer Replacement Algorithm for Flash-Based Databases
Data & Knowledge Engineering 72: 83-102
Elsevier, January 2012
DOI: 10.1016/j.datak.2011.09.007

2011

pdf
Theo Härder, Volker Hudlet, Yi Ou and Daniel Schall
Energy Efficiency is not Enough, Energy Proportionality is Needed!
In: Proc. DASFAA'11,1st Int. Workshop on FlashDB, LNCS 6637, pp. 226-239
Springer, April 2011
pdf
Yi Ou and Theo Härder
Trading Memory for Performance and Energy
In: Proc. DASFAA'11,1st Int. Workshop on FlashDB, LNCS 6637, pp. 241-253
Springer, April 2011

2010

pdf
Yi Ou, Theo Härder and Peiquan Jin
CFDC: A Flash-Aware Buffer Management Algorithm for Database Systems
In: Proc. ADBIS 2010, LNCS 6295, Novi Sad, Serbia, pp. 435-449
Springer, September 2010
pdf
Yi Ou and Theo Härder
Clean First or Dirty First? A Cost-Aware Self-Adaptive Buffer Replacement Policy
In: Proc. IDEAS, Montreal, QC, CA, pp. 7-14
August 2010
pdf
Yi Ou, Theo Härder and Daniel Schall
Performance and Power Evaluation of Flash-Aware Buffer Algorithms
In: Proc. DEXA 2010, LNCS 6261, Bilbao, Spain, pp. 183-197
August 2010
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Yi Ou and Theo Härder
Issues of Flash-Aware Buffer Management for Database Systems
In: Proc. BNCOD 2010, LNCS 6121, Dundee, Scotland, pp. 127-130
Springer, June 2010
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