Time interval at which a server instance stops and restarts its workers
--worker-restart-interval hr:min:sec.fractSec
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
to time.
hrHours in interval.
minMinutes in interval.
secSeconds in interval.
fractSecFractional seconds in interval.
Restart workers at intervals of 1 hour, 29 minutes, 5 seconds.
--worker-restart-interval 1:29:05
Restart workers at intervals of 10 minutes and 250 ms.
--worker-restart-interval 00:10:00.25