shared_memory_size

Reports the size of the main shared memory area, rounded up to the nearest megabyte.

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: Preset Options
context: internal
documented: true
enumvals: Unknown
extra desc: Unknown
lang: en
max val: 2147483647
metadata version: 18
min val: 0
name: shared_memory_size
short desc: Shows the size of the server's main shared memory area (rounded up to the nearest MB).
source: pg-settings-source-snapshot
unit: MB
vartype: integer

Definition PG 18

Reports the size of the main shared memory area, rounded up to the nearest megabyte.

Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:817b33cce9c3bf62627b99fe8aa8fad4ae6d44335471253a9e1a8c4d039dfa52

Text language: en · wiki-repair-20261023:817b33cce9c3bf62627b99fe8aa8fad4ae6d44335471253a9e1a8c4d039dfa52