Time interval at which a server instance stops and restarts its workers
worker-restart-interval specifies the interval
at which the server instance stops and restarts its worker processes.
If this setting is not given, the workers are not restarted in response
Hours in interval.
Minutes in interval.
Seconds in interval.
Fractional seconds in interval.
Restart workers at intervals of 1 hour, 29 minutes, 5 seconds.
Restart workers at intervals of 10 minutes and 250 ms.