Contents
hash_mem_multiplier
A configuration parameter for computing the maximum amount of memory that hash-based operations can use
hash_mem_multiplier is a configuration parameter for computing the maximum amount of memory that hash-based operations can use.
hash_mem_multiplier was added in PostgreSQL 13.
Default
The default value for .hash_mem_multiplier is:
2.0(PostgreSQL 15 ~)1.0(PostgreSQL 13 / 14)
Change history
- PostgreSQL 15
- default value changed to
2.0(commit 8f388f6f)
- default value changed to
- PostgreSQL 13
- added (commit d6c08e29)
References
- PostgreSQL documentation: hash_mem_multiplier