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Default value
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autovacuum_vacuum_cost_delay

A configuration parameter specifying the cost delay value that will be used in autovacuum operations

autovacuum_vacuum_cost_delay is a configuration parameter specifying the cost delay value that will be used in autovacuum operations.

autovacuum_vacuum_cost_delay was added in PostgreSQL 8.1.

Default value

The default value for autovacuum_vacuum_cost_delay is:

PostgreSQL 12 and later: 2ms
PostgreSQL 8.1 ~ PostgreSQL 11: 20ms

Change history

PostgreSQL 12
- default changed from 20ms to 2ms (commit cbccac37)
PostgreSQL 8.1
- added (commit d90c5311)

References

PostgreSQL documentation: autovacuum_vacuum_cost_delay

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See also

autovacuum, autovacuum_vacuum_cost_limit