Re: SplayTime not working as expected

[Mark Burgess]

Paul - are you sure you are interpreting things correctly? I don't think
the behaviour your describe is possible. Can there be some other
explanation for the bimodal behaviour? 

M

On Tue, 2005-11-01 at 09:43 -0600, Paul Krizak wrote:
> I'm managing a large cfengine installation and am trying to use a 
> SplayTime of 120 minutes across the hosts, along with a schedule 
> parameter to tell cfexecd when to run.
> 
> I *want* cfexecd to "start" on all the systems at 6AM, then have all the 
> systems wait for up to 120 minutes to actually do the work, thus evenly 
> distributing the load over a 2 hour period.
> 
> I've got
> 
> SplayTime = ( 120 )
> 
> in update.conf, and
> 
> schedule = ( Hr06.Min00_05 )
> 
> in cf.classes (included by cfagent.conf).  This has the following strage 
> result: it runs cfagent on all the systems spread evenly between the two 
> 5-minute windows between 6:00 - 6:05 and 7:00 - 7:05.  This isn't quite 
> what I had in mind.
> 
> If I change the schedule parameter to something like ( Hr06 ), then 
> cfagent runs repeatedly on the system during the 6AM hour.  This isn't 
> correct either.
> 
> What magic incantation do I have to do to make cfexecd "kick off" at 6AM 
> and spread the load out over two hours, with it running just once per day?
>