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This is so accurate. I’ve looked in wonder at how someone is maxing out an r6i.32xlarge MySQL DB, when I have ran 4x the workload on an r6i.12xlarge.

Schema design and query design will make or break your app’s ability to scale without skyrocketing the bill, it’s as simple as that.

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any blogs/books you'd recommend on schema & query design? it honestly surprises me that these coding-focused models can't look at a schema; look at how data is being queried; reason about the use case for the data; and help prioritize solving for the most likely bottlenecks to scaling the underlying data services.

https://learn.microsoft.com/en-us/sql/relational-databases/s...

This one is a classic for MSSQL, most of it is applicable on postgres.

I like http://www.redbook.io/

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