in reply to (OT) Run task only when resources have been free for x time

See Chronic, which does just that. Also consider using nice and ionice.

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Re^2: (OT) Run task only when resources have been free for x time
by Your Mother (Archbishop) on Nov 12, 2008 at 17:47 UTC

    IIRC you can do this-

    use POSIX; POSIX::nice(40);

    -to get a better behaved script. Some systems top off at 19, again IIRC, but 40 should max whatever nice is available.