autovacuum_vacuum_cost_limit is a configuration parameter specifying the cost limit that will be used in autovacuum operations.
autovacuum_vacuum_cost_limit was added in PostgreSQL 8.1.
The default value for
autovacuum_vacuum_cost_limit is set to the default value, the current value of
vacuum_cost_limit will be used when calculating the cost limit for autovacuum operations.