I read this paper and it really concerned me. We're wasting tons of electricity on servers and it's a significant portion of our carbon footprint. https://eta.lbl.gov/publications/united-states-data-center-energy-usag
It is estimated that data centers in the U.S. consumed a total of 70 billion kWh in 2014, accounting for about 1.8 percent of total U.S. electricity consumption. This electricity usage represents about $8 Billion a year in costs, with this number only going up as the demand for web services and other industries that rely on server infrastructure increases. Studies have shown that the average server in a data center operates at only 12-18% capacity. This means that the majority of energy being used to power the server is doing so while the server is doing little to no processing. The amount of wasted electricity in 2014, represented by this lack of efficiency, would be enough to power all the households in New York City for two full years. While there have been efforts to build more efficient data centers by large hosting companies, the majority of the servers in U.S. data centers remain largely unoptimized. 95% of the servers are run by small, medium, and corporate level hosts.
What it does
Sleepi Pi simulates using a raspberry pi to put servers to sleep and wake them up when they are needed.
How we built it
We used 8 LEDs to simulate a rack of servers. We used a dynamic sin function (y= 45000sin(.05*x) + 55000) to decide how many requests to simulate.
Challenges we ran into
Getting an animated graph, so the number of requests could change at the same time that they were being "processed" in our simulation.
Accomplishments that we're proud of
All the lights turn on when we want them to!
What we learned
Got some great practice with using libraries in python for the first time! Also learned how to use GPIO pins on the raspberry pi.
What's next for Sleepi Pi
- Smarter scheduling
- Dont turn too many servers off at once
- real data
- real servers (or VMs?)
- Save real electricity
- Save the planet!
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