| Type: | integer |
| Default: | 3 |
| Min: | 1 |
| Max: | 32 |
| Context: | sighup |
| Restart: | false |
| Since: | 18 |
Selects the number of I/O worker processes to use. The default is 3. This parameter can only be set in the postgresql.conf file or on the server command line.
Only has an effect if io_method is set to worker.