Wiki / Configuration Parameters
seq_page_cost
Sets the planner's estimate of the cost of a disk page fetch that is part of a series of sequential fetches. The default is 1.0. This value can be overridden for tables and indexes in a particular tablespace by setting the tablespace parameter of the same name (see ALTER TABLESPACE).
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
- 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
- seq_page_cost
- short desc
- Sets the planner's estimate of the cost of a sequentially fetched disk page.
- source
- pg-settings-source-snapshot
- unit
- Unknown
- vartype
- real
Definition PG 18
Sets the planner's estimate of the cost of a disk page fetch that is part of a series of sequential fetches. The default is 1.0. This value can be overridden for tables and indexes in a particular tablespace by setting the tablespace parameter of the same name (see ALTER TABLESPACE).
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center · PostgreSQL 18 · wiki-repair-20261023:2143d54d25902b5d872d8b67a4802b3dc25661086fe448604869acfbfe91d4db
Text language: en · wiki-repair-20261023:2143d54d25902b5d872d8b67a4802b3dc25661086fe448604869acfbfe91d4db