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aurareturn | on: PgDog is funded and coming to a database near you
Is 100k order per minute a lot? Even a single Postgres instance should serve that fine?
tomtomtom777 | parent | next
100k(s) orders per minute is several orders of magnitude more than realistic. Amazon does 20k orders per minute.

Instacart doesn't need "100,000s of grocery delivery orders per minute".

There must be some 0s added for the sake of the story.

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dotancohen | root | parent | next
Amazon does 20k peak, or 20k average? Website visitor peaks could easily be two orders of magnitude higher traffic than average for a few minutes.
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outworlder | parent | next
It's orders, not queries. Who knows how many requests that actually takes.
smt88 | parent | next
One assumes they mean 100,000s (plural) concurrent users actively building carts
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nine_k | parent
Average throughput is one thing, tail latency, quite another.