I wonder when this "databases are nearly always bottlenecked on IO" perception finally is going to die. I think it's been false for > 50% of instances for at least 15 years. And it's just plainly wrong when we can have small-ish servers with >16 internal NVMe drives.
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I have dealt with people who think that a 100GB Db is big data... most people don't understand the data path. And most people think it's a technical failure if you need to understand. Crazy.
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I am even a 100GB database, I'd surmise that 90% of queries if not more don't touch 10% of that data. The "working set" is a much better measure of capability I think.
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