non-stop disk activity

[Vladimir G. Ivanovic]

>>>>> "pb" == Per Bothner <per at bothner.com> writes:

    >> The cron daemon is going to wake up every minute and scan its
    >> crontabs, even if no work needs doing?  How else is it going to know?
    pb> 
    pb> It can schedule itself to wake up the next time something is scheduled.
    pb> And isn't it possible to have the kernel notify it on changes to files
    pb> or directories it is monitoring.  This may not have been possible in the
    pb> old days of Unix, but doesn't Linux now have a notification capability?

Not all Unix systems have a file access monitor, so if cron is to have a
single implementation across Unices, then it won't be able to use fam.

--- Vladimir

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Vladimir G. Ivanovic                        http://leonora.org/~vladimir
2770 Cowper St.                                         vladimir at acm.org
Palo Alto, CA 94306-2447                                 +1 650 678 8014
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