PostgreSQL: Documentation: 9.6: WAL Configuration
There are several WAL -related configuration parameters that affect database performance. This section explains their use. Consult Chapter 19 for general information about setting server …
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 …
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 …
Server Configuration: Write Ahead Log - PostgreSQL 9.6 …
wal_level determines how much information is written to the WAL. The default value is minimal, which writes only the information needed to recover from a crash or immediate shutdown. …
Postgresql 9.6 best settings for large admin work (min_wal and max_wal)
Mar 29, 2017 · I have seen benchmarks where leaving sizes at the default performed better than boosting them for restoring a dump. That was a surprise, but it does happen sometimes.
PostgreSQL 9.6 wals management - Stack Overflow
Your setting of 3 GB corresponds to 192 WAL segments, which is lower than your wal_keep_segments setting (corresponds to wal_keep_size in new releases). So PostgreSQL …
PostgreSQL 9.6 Documentation: WAL Internals - Redrock …
WAL is automatically enabled; no action is required from the administrator except ensuring that the disk-space requirements for the WAL logs are met, and that any necessary tuning is done …
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, …
PostgreSQL : Documentation: 9.6: 30.4. WAL Configuration
There are several WAL -related configuration parameters that affect database performance. This section explains their use. Consult Chapter 19 for general information about setting server …
Write-Ahead Logging (WAL) - pgPedia - a PostgreSQL …
WAL files are stored in the pg_wal (PostgreSQL 9.6 and earlier: pg_xlog) subdirectory of the server's data directory. WAL functionality was introduced in PostgreSQL 7.1.