Friday data center tidbits pt 2:who cares about PUE cheating?

In an article about attempting to move from PUE to a new data center efficiency metric, Christian Belady of Microsoft commented:

“There are perceived issues with it, comments about people cheating on PUE reporting. But who cares?”

Let’s see, now that PUE has been enshrined as a competitive marketing metric between data centers, first via marketing fluff, then as the basis for the EPA’s data center Energy Star rating, everyone who operates a public data center should care. I’ve had my conversations with Christian and I’ll be the first one to admit, despite it’s flaws, PUE is a useful INTERNAL metric, but when they start handing out rewards based on it, everyone should care that it isn’t being gamed.


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