Comment by Cthulhu_

4 days ago

> What's next? Electricity?

That and water. Electricity: Google made a post about scaling k8s to 135.000 nodes yesterday, mentioning how each node has multiple GPUs taking up 2700 watts max.

Water, well this is a personal beef, but Microsoft built a datacenter which used potable / drinking water for backup cooling, using up millions of liters during a warm summer. They treat the water and dump it in the river again. This was in 2021, I can imagine it's only gotten worse again: https://www.aquatechtrade.com/news/industrial-water/microsof...

Is any datacenter's water use significant compared to other industrial installations? According to that article, all datacenters in North Holland use 550 Ml/yr. North Holland has 2.95M residents [0], who use 129 l/person-day [1], 47 Kl/person-year, 139,000 Ml/year for the whole region. So the data centers use an estimated 0.4% of the region's water. Data centers use about 3% of the Netherlands' electricity.

Why do you think this is a lot of water? What are the alternatives to pulling from the local water utility and are those alternatives preferable?

[0] https://en.wikipedia.org/wiki/North_Holland

[1] https://en.wikipedia.org/wiki/Water_supply_and_sanitation_in...

[2] https://www.dutchdatacenters.nl/en/statistics-2/