Contents
min_wal_size
A configuration parameter determining the minimum number of WAL files to retain for reuse at a future checkpoint
min_wal_size
is a configuration parameter determining the minimum number of WAL files to retain for reuse at a future checkpoint
.
min_wal_size
was introduced in PostgreSQL 9.5; together with max_wal_size
it replaces checkpoint_segments
.
Default
Default value for min_wal_size
is: 80MB
.
Change history
- PostgreSQL 9.5
- added, superseding
checkpoint_segments
(commit 88e98230)
- added, superseding
References
- PostgreSQL documentation: min_wal_size