Christophe Pettus: All Your GUCs in a Row: parallel_setup_cost and parallel_tuple_cost

2026-10-10来源 Planet PostgreSQLEnglish
PostgreSQL's parallel query planner charges two fees for going parallel: a setup cost per Gather node and a per-row cost for moving data from workers to… (I consult on PostgreSQL through PGX Inc..)

原文：https://www.a8q9.cn/en/article/christophe-pettus-all-your-gucs-in-a-row-parallel-setup-cost-and-parallel-tuple--d0deac.html

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