realworld powersavings for the cloud customer

VIRTUALIZED DATABASES

Eng. Johan De Gelas, Head of Server Research - [email protected] the 20th 2010

Realworld powersavings for the cloud customer

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Started in 2003, funded since 2006

Part of Howest (MCT) and University Ghent

Team of 6 Researchers

Core Competences:

Virtualization & Hybrid Clouds

Server hardware & Power Management

Software Tuning

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Datacenterpower.pngPower Usage Effectiveness

PUE.pngPUE vs Client: fight!

Datacenter experts often share a similar nugget of advice as to how to reduce energy bills for the datacenter: Turn up the heat.

Sun Microsystems estimates a 4% savings in energy costs for every one degree increase.

Improving PUE: higher room temp?

http://www.infoworld.com/d/green-it/crank-datacenter-heat-care-907http://searchwarp.com/swa517963-The-Data-Center-Temperature-Debate.htmSun Microsystems, both a prominent hardware manufacturer and data center operator, estimates a 4% savings in energy costs for every one (1) degree increase in server inlet temperature. (Miller, 2007)

A higher temperature setting can mean more hours of free-cooling possible through air-side or water side economizers. This information is especially compelling to an area like San Jose, California, where outside air (dry-bulb) temperatures are at or below 70 deg F for 82% of the year. Depending on geography, the annual savings from economization could exceed six figures.

Fan power

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Making both sides happy

coldhot_datacenter.png

http://www.theregister.co.uk/2009/08/31/data_centers_run_too_cool/

Lowering Power IN the rack

Rack Level: : instrumented servers + powercap

Virtual Cluster : DRS

Server components

OS Layer

Scheduler vs polling power manager

Power manager vs hardware

Software layer: Energy Efficient Software dev

powerdistri_server.pngPower management : Bad match

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realworld powersavings for the cloud customer

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