PostgreSQL: Documentation: 16: 30.5. WAL Configuration
Nov 13, 2025 · There are several WAL -related configuration parameters that affect database performance. This section explains their use. Consult Chapter 20 for general information about …
PostgreSQL Documentation: wal_level parameter
Level replica is required for binary replication, and level logical is required for logical replication. This is a setting because raising the level adds more writes to the WAL, so if you’re not doing …
PostgreSQL: Documentation: 18: 19.5. Write Ahead Log
Nov 13, 2025 · If archive_command is an empty string (the default) while archive_mode is enabled (and archive_library is set to an empty string), WAL archiving is temporarily disabled, …
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 …
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 …
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 …
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.
How to tune WAL settings in PostgreSQL - simplified.guide
How to tune WAL settings in PostgreSQL Tuning the Write-Ahead Log (WAL) settings in PostgreSQL balances durability, replication requirements, and write performance. Correct …
Understanding wal_level in PostgreSQL: A Comprehensive Guide
When it comes to PostgreSQL, one of the most crucial parameters to consider is wal_level. The Write-Ahead Logging (WAL) level determines the amount of information written to the WAL, …
Understanding wal_level in PostgreSQL - betanet.net
To set the wal_level parameter in PostgreSQL, you need to modify the postgresql.conf file. You can set it at the server level or for individual sessions using the SET command.