Wiki / Configuration Parameters
geqo_pool_size
Controls the pool size used by GEQO, that is the number of individuals in the genetic population. It must be at least two, and useful values are typically 100 to 1000. If it is set to zero (the default setting) then a suitable value is chosen based on geqo_effort and the number of tables in the query.
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
- category
- Query Tuning / Genetic Query Optimizer
- context
- user
- documented
- true
- enumvals
- Unknown
- extra desc
- 0 means use a suitable default value.
- lang
- en
- max val
- 2147483647
- metadata version
- 18
- min val
- 0
- name
- geqo_pool_size
- short desc
- GEQO: number of individuals in the population.
- source
- pg-settings-source-snapshot
- unit
- Unknown
- vartype
- integer
Definition PG 18
Controls the pool size used by GEQO, that is the number of individuals in the genetic population. It must be at least two, and useful values are typically 100 to 1000. If it is set to zero (the default setting) then a suitable value is chosen based on geqo_effort and the number of tables in the query.
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Definition sources
center · PostgreSQL 18 · wiki-repair-20261023:e122bbc6f57f12c0729f1e179b653d9de68cb3037bbe4fdb47c4a7176150da0d
Text language: en · wiki-repair-20261023:e122bbc6f57f12c0729f1e179b653d9de68cb3037bbe4fdb47c4a7176150da0d