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Exploring The Green Blade

Exploring The Green Blade. Ken Lutz University of California, Berkeley LoCal Retreat, June 8, 2009. Motivation. To Realize An Energy Responsive Blade and Cluster Consolidate Load within the cluster Turn OFF Underutilized Blades Explore a smaller unit of replication

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Exploring The Green Blade

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  1. Exploring The Green Blade Ken Lutz University of California, Berkeley LoCal Retreat, June 8, 2009

  2. Motivation • To Realize An Energy Responsive Blade and Cluster • Consolidate Load within the cluster • Turn OFF Underutilized Blades • Explore a smaller unit of replication • Run on Battery providing Demand Response • Platform for System Level Experiments

  3. Server Power Consumption Maybe we can explore a new data point

  4. ATOM Blade • Explore a New Building Block • Inexpensive ($100) and Low Power (25W) • Based on the Intel ATOM 330 CPU • Dual Core – 45nm • 8W MAX • Smaller Unit of Replication so expect a cluster will have more units to do the same work • Fine Grain Control

  5. Energy Responsive Node Node On/OFF Battery Backup AC ON/OFF ATOM UPS Controller

  6. LoCal ATOM Cluster • (4) ATOM Motherboards – Almost 1U • 160MB Disk Drive • 10/100 Ethernet • 2GB DRAM • USB etc • DC-DC converter with UPS switch and Battery • Where is the power going?

  7. Room for Improvement… ATOM CPU Bridge Chip Dc-DC Converter Clock Generator TV Encoder Audio Codec Intel I/O controller hub Chip

  8. No Heat Sinks Not Steady State

  9. Idle Power CPU Power Control Schemes may have a limited effect

  10. Conclusion • The goal is to explore a new data point in cluster design • Small nodes allow fine grained load distribution • Ability to turn nodes off • Explore limited but distributed energy storage • Learn about the system level problems

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