PostgreSQL: Documentation: 18: 19.5. Write Ahead Log
Nov 13, 2025 · The default value is replica, which writes enough data to support WAL archiving and replication, including running read-only queries on a standby server. minimal removes all …
PostgreSQL Documentation: wal_level parameter
The default value is replica, which writes enough data to support WAL archiving and replication, including running read-only queries on a standby server. minimal removes all logging except …
PostgreSQL: Documentation: 18: 28.5. WAL Configuration
Nov 13, 2025 · With the default value of 0.9, PostgreSQL can be expected to complete each checkpoint a bit before the next scheduled checkpoint (at around 90% of the last checkpoint's …
Changing "wal_level" on PostgreSQL 13 (via client session) is …
May 11, 2021 · The default value is replica, which writes enough data to support WAL archiving and replication, including running read-only queries on a standby server. minimal removes all …
wal_level - pgPedia - a PostgreSQL Encyclopedia
wal_level is a configuration parameter determining the level of detail written to WAL. wal_level was added in PostgreSQL 9.0. The default value for wal_level is: wal_level can only be …
PostgreSQL Write Ahead Log (WAL) Explained - HeatWare.net
Feb 11, 2025 · The value is typically set as a number of disk blocks, with one block being 8KB by default. If the setting is configured to -1, PostgreSQL will automatically set wal_buffers to an …
postgresql - wal_level set to replica at database level but i dont …
Jul 4, 2020 · “Default” means the value that is used if the configuration files fail to provide a setting for the parameter. It is a value that is hard coded into the postgres executable.
WALs and You: A Simple Guide to PostgreSQL's wal_level …
wal_level controls the amount of information that is written to the Write-Ahead Log (WAL). Think of the WAL as a detailed journal of every change made to your database.
Understanding the wal_level Parameter in PostgreSQL
wal_level is a parameter in PostgreSQL that determines the level of information written to the Write-Ahead Logging (WAL) files. WAL is a crucial component of PostgreSQL that ensures …
POSTGRESQL - WAL_LEVEL AND ARCHIVE_MODE OPTIONS
Two PostgreSQL configuration settings that are associated with Write-Ahead Logging (WAL) and data durability are wal_level and archive_mode. This is an in-depth explanation: