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WattDB – An Energy -proportional DBMS

WattDB – An Energy -proportional DBMS. Volker Höfner , Daniel Schall Databases and Information Systems Group University of Kaiserslautern, Germany. Motivation. Energy proportionality is the key to energy-efficient systems Energy efficiency as a first class citizen in DBMS .

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WattDB – An Energy -proportional DBMS

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  1. WattDB – An Energy-proportional DBMS Volker Höfner, Daniel Schall Databasesand Information Systems Group University of Kaiserslautern, Germany

  2. Motivation • Energyproportionalityisthekeytoenergy-efficientsystems • Energyefficiencyas a firstclasscitizen in DBMS Power [Watt] System load [Percent]

  3. Vision • DBMS balances power consumptionproportionallytosystemload Load Time

  4. Overview • Distributed databasesystem • Light-weightednodes, low-power hardware • Intel Atom, mobile harddrives, 1Gbit-Ethernet • PhysicalShared-Disk, logicalShared-Nothing • Twotypesofnodes • withoutexternalstorage • withharddisksattached

  5. Quests • Policiesforpoweringup / down nodes • Loaddistributionandbalancingamongnodes • Whichusecases fit fortheproposedarchitecture, whichdon‘t? • Alternative hardwareconfigurations • Heterogeneous HW environment • SSDs, other CPUs, GPUs(?) • Energy-efficientself-tuning

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