vacuum_cost_page_hit
A configuration parameter representing the vacuum cost for a page found in the buffer cache
vacuum_cost_page_hit is a configuration parameter representing the estimated cost for vacuuming a buffer that is not in the shared buffer cache (i.e. does not have to be read from disk).
vacuum_cost_page_hit was added in PostgreSQL 8.0.
Default value
The default value for vacuum_cost_page_hit is: 1.
Change history
- PostgreSQL 8.0
- added (commit f425b605)
References
- PostgreSQL documentation: vacuum_cost_page_hit