parallel_tuple_cost

Sets the planner's estimate of the cost of transferring one tuple from a parallel worker process to another process. The default is 0.1.

English manual coverage begins with PostgreSQL 7.4. Source history and runtime observations have their own recorded version boundaries.

Reading PG 18·Select a recorded version

boot val: 0.1
category: Query Tuning / Planner Cost Constants
context: user
documented: true
enumvals: Unknown
extra desc: Unknown
lang: en
max val: 1.79769e+308
metadata version: 18
min val: 0
name: parallel_tuple_cost
short desc: Sets the planner's estimate of the cost of passing each tuple (row) from worker to leader backend.
source: pg-settings-source-snapshot
unit: Unknown
vartype: real

Definition PG 18

Sets the planner's estimate of the cost of transferring one tuple from a parallel worker process to another process. The default is 0.1.

Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:af9adc9ef2b1ff7ed666590ba4d90cbccad00b90533d4bcc8e07ae97fb2b4c5d

Text language: en · wiki-repair-20261023:af9adc9ef2b1ff7ed666590ba4d90cbccad00b90533d4bcc8e07ae97fb2b4c5d