Re: [Condor-users] Is ActivationTimer daylight saving shift safe?

[Jaime Frey <jfrey@xxxxxxxxxxx>]

On Oct 31, 2005, at 9:56 AM, Ian Chesal wrote:

> We use the $(ActivationTimer) macro in our MaxJobRetirementTime
> expression:
>
> MaxJobRetirementTime = $(ALTERA_MaxJobRetirementTime) * (
> $(ActivationTimer) > ($(ALTERA_AUTO_RETIREMENT_TIME) - 5) )
>
> And at 1:00 am on Sunday morning we saw some longer running jobs
> suddenly get evicted. So the hypothesis is that the ActivationTimer  
> for
> these jobs went from a positive integer value to a negative value  
> (or 0
> value) as the daylight saving shift was applied to the clocks on our
> startd's and thus set MaxJobRetirementTime back to 0 on these jobs so
> they were candidates for eviction.
>
> Is the macro daylight savings safe (is it a timer)? Or is it  
> calculated
> using (CurrentTime - JobStart)?

ActivationTimer is only defined in the config file. The condor  
daemons see (CurrentTime - JobStart). Condor uses epoch times for  
these values, so Daylight Saving Time shouldn't affect them, unless  
your system clock changes instead of just the time zone.

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|            Jaime Frey            |  Public Split on Whether        |
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