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Re:I/O Is Faster Than CPU – Let’s Partition Resources and El... by briffle on Friday May 03, 2019 @01:14PM (#19820229)
Postgresql allows you to tune the 'cost' of sequential and random IO, to help the planner figure out the best way to get the data.

https://www.postgresql.org/docs/11/runtime-config-query.html...

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