[Gllug] Staggering cron entries

Paul Nasrat pauln at truemesh.com
Thu Sep 12 11:45:26 UTC 2002


On Thu, Sep 12, 2002 at 12:29:40PM +0200, John Hearns wrote:
> I have a dim memory at the back of my mind about
> the possibility or randomly smearing cron entries in time,
> for example in a large cluster you might not want all of
> the nodes downloading something at exactly the same second,
> or making a connection to an HTTP server - or whatever.

A slightly bigger solution - cfengine has a splay time and some flexible
time classes:

http://www.iu.hio.no/~mark/papers/schedule.ps

http://www.cfengine.org/docs/cfengine-Tutorial.html#Using%20cfengine%20as%20a%20front-end%20for%20cron

Paul

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