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by wmf
479 days ago
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Expert in server power management here. Your intuition is right and the comments/links to the contrary are wrong. Undervolting is unreliable but let's be clear: no one is undervolting servers. I don't even know if it's possible. Power limiting (e.g. RAPL) is completely safe to use because it keeps voltage, frequency, temperature, fan speed, etc within safe bounds. |
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