parallel_setup_cost

Sets the planner's estimate of the cost of launching parallel worker processes. The default is 1000.

英文手册覆盖始于 PostgreSQL 7.4. 来源历史与运行验证各自保留独立版本边界。

当前阅读 PG 18·选择有来源记录的版本

此版本暂无所选语言的定义，以下显示原始英文内容。

boot val: 1000
category: Query Tuning / Planner Cost Constants
context: user
documented: true
enumvals: 未知
extra desc: 未知
lang: en
max val: 1.79769e+308
metadata version: 18
min val: 0
name: parallel_setup_cost
short desc: Sets the planner's estimate of the cost of starting up worker processes for parallel query.
source: pg-settings-source-snapshot
unit: 未知
vartype: real

版本定义 PG 18

Sets the planner's estimate of the cost of launching parallel worker processes. The default is 1000.

定义来源

center · PostgreSQL 18 · english-manuals:a9906dec304f62bc9d58841cb989e3e2c342724f0f2ff4ad69b731bf8685408a

正文语言: en · english-manuals:a9906dec304f62bc9d58841cb989e3e2c342724f0f2ff4ad69b731bf8685408a