[NRG] Reminder: NRG meeting: Temperature Management in Data Centers: Why ... @ Mon Sep 24 11am - 12pm (NRG Calendar)
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Sun Sep 23 11:00:14 EDT 2012
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Title: NRG meeting: Temperature Management in Data Centers: Why Some
(Might) Like It Hot
Authors: Nosayba El-Sayed, Ioan Stefanovici, George Amvrosiadis, Andy A.
Hwang, Bianca Schroeder
Presenter: Ioan Stefanovici
Host: Sharon Goldberg
The energy consumed by data centers is starting to make up a significant
fraction of the world¹s energy consumption and carbon emissions. A large
fraction of the consumed energy is spent on data center cooling, which has
motivated a large body of work on temperature management in data centers.
Interestingly, a key aspect of temperature management has not been well
understood: controlling the setpoint temperature at which to run a data
center¹s cooling system. Most data centers set their thermostat based on
(conservative) suggestions by manufacturers, as there is limited
understanding of how higher temperatures will affect the system. At the
same time, studies suggest that increasing the temperature setpoint by just
one degree could save 25% of the energy consumption.
This paper provides a multi-faceted study of temperature management in data
centers. We use a large collection of field data from different production
environments to study the impact of temperature on hardware reliability,
including the reliability of the storage subsystem, the memory subsystem
and server reliability as a whole. We also use an experimental testbed
based on a thermal chamber and a large array of benchmarks to study two
other potential issues with higher data center temperatures: the effect on
server performance and power. Based on our findings, we make
recommendations for temperature management in data centers, that create the
potential for saving energy, while limiting negative effects on system
reliability and performance.
When: Mon Sep 24 11am – 12pm Eastern Time
Where: MCS-148, 111 Cummington Street, Boston, MA 02215
Calendar: NRG Calendar
* michel.machado at gmail.com - creator
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