Glossary: PostgreSQL Beyond the Basics
random_page_cost
The planner's price for reading a page at random, compared with 1.0 for reading in order. The default of 4.0 suits spinning disks, and about 1.1 is common on SSDs.
Glossary: PostgreSQL Beyond the Basics
The planner's price for reading a page at random, compared with 1.0 for reading in order. The default of 4.0 suits spinning disks, and about 1.1 is common on SSDs.