Christophe Pettus: All Your GUCs in a Row: random_page_cost and seq_page_cost

2026-10-18来源 Planet PostgreSQLEnglish
The planner charges `random_page_cost` per index page based on how uncorrelated the index is—but the name lies. (I consult on PostgreSQL through PGX Inc..)

原文：https://www.a8q9.cn/en/article/christophe-pettus-all-your-gucs-in-a-row-random-page-cost-and-seq-page-cost-69b40d.html

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