When I run the command, other critical programs fail to respond causing
an 'outage-like' situation.
Normally, this is a time-of-day task and will run happily later into the
night, but I want to run it now.
What is the best way to set priority on my task in order to ensure it
completes as quickly as possible, but does not cause a situation where
other programs and their children can't respond?
generally single program could not make that - FreeBSD schedules tasks
well. in certain cases it may be like that.
For example - programs that runs for long time constantly and uses CPU
gets automatically "downgraded" so your newly run backup task can make
them really out of CPU power.
will help you - get your backup program priority down.
Actually i don't know if "downgrading" (called autorenice) can be disabled
for certain processes. If would make sense for - say - database servers.
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