Wiki / Configuration Parameters
segment_size
Reports the number of blocks (pages) that can be stored within a file segment. It is determined by the value of RELSEG_SIZE when building the server. The maximum size of a segment file in bytes is equal to segment_size multiplied by block_size; by default this is 1GB.
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
- 131072
- category
- Preset Options
- context
- internal
- documented
- true
- enumvals
- Unknown
- extra desc
- Unknown
- lang
- en
- max val
- 131072
- metadata version
- 18
- min val
- 131072
- name
- segment_size
- short desc
- Shows the number of pages per disk file.
- source
- pg-settings-source-snapshot
- unit
- 8kB
- vartype
- integer
Definition PG 18
Reports the number of blocks (pages) that can be stored within a file segment. It is determined by the value of RELSEG_SIZE when building the server. The maximum size of a segment file in bytes is equal to segment_size multiplied by block_size; by default this is 1GB.
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center · PostgreSQL 18 · wiki-repair-20261023:e6219a6d1684db4a9b117e5b0626b7e81f36005343bc4e10c310040b938295bb
Text language: en · wiki-repair-20261023:e6219a6d1684db4a9b117e5b0626b7e81f36005343bc4e10c310040b938295bb