Wiki / Configuration Parameters
wal_block_size
Reports the size of a WAL disk block. It is determined by the value of XLOG_BLCKSZ when building the server. The default value is 8192 bytes.
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
- 8192
- category
- Preset Options
- context
- internal
- documented
- true
- enumvals
- Unknown
- extra desc
- Unknown
- lang
- en
- max val
- 8192
- metadata version
- 18
- min val
- 8192
- name
- wal_block_size
- short desc
- Shows the block size in the write ahead log.
- source
- pg-settings-source-snapshot
- unit
- Unknown
- vartype
- integer
Definition PG 18
Reports the size of a WAL disk block. It is determined by the value of XLOG_BLCKSZ when building the server. The default value is 8192 bytes.
Compare versions
Source references
Full definition and evidence JSON
Definition sources
center · PostgreSQL 18 · wiki-repair-20261023:18d587291a62e0b2b950f9dba6e025a4d062cc19eff7e1098bf967388dbde999
Text language: en · wiki-repair-20261023:18d587291a62e0b2b950f9dba6e025a4d062cc19eff7e1098bf967388dbde999