| Type: | integer |
| Default: | 2 |
| Min: | 0 |
| Max: | 2147483647 |
| Context: | sighup |
| Restart: | false |
| Since: | 10 |
This controls how many rows on a single page can be predicate-locked before the lock is promoted to covering the whole page. The default is 2. This parameter can only be set in the postgresql.conf file or on the server command line.