Fabrício dos Anjos Silva<fabricio.si...@linkcom.com.br> wrote: > After reading lots of documentation, I still don't understand > fully how PG knows if some needed data is in memory or in second > storage. > Does PG consider this? No. > When setting seq_page_cost and random_page_cost, do I have to > consider the probability that data will be in memory? Yes. -Kevin
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