Re: [Condor-users] Setting the master and startd for one job only

[Marian ZUREK <Marian.ZUREK@xxxxxxx>]

Thanks Todd.
Will give a try and let you know.
No problem with the beer ;)

Marian
--  
CERN, IT/GD, CH-1211 Geneve 23, Switzerland, tel. +41 22 76 74384




On 28 sept. 07, at 21:17, Todd Tannenbaum wrote:

> Marian ZUREK wrote:
> > Hi,
> >
> > I would like to setup the condor worker node to run precisely one job
> > and exit.
> > For this to happen I got the receipt to start the condor_master in
> > the foreground (-f option)
> > and also define the DAEMON_SHUTDOWN expressions as specified below
> >
> > STARTD.DAEMON_SHUTDOWN = (Claimed && Idle && TotalTimeClaimedBusy  
> > > 0)
> > MASTER.DAEMON_SHUTDOWN = startd_exit_code == 99
> >
> > I have tested the above setup using Condor v6.9.4 however I did not
> > manage to make it operational the desired way.
> > I am wondering whether any of you had a chance to exercise such a
> > scenario and is willing to share his/her experience.
>
> So you want the startd and master to exit after the startd runs  
> just one
> job to completion?
>
> Hmmm.... well, I haven't tested this, but off the top of my head  
> this is
> what I'd try appending to the end of condor_config:
>
> #
> # Tell the master to wait a real long time before restarting the  
> startd,
> # since when the startd exits we don't want to restart it, we want  
> to go
> # away.
> #
> MASTER_BACKOFF_CONSTANT = 999999
>
> #
> # Set CLAIM_WORKLIFE to one second.  This tells the startd to go back
> # to Unclaimed/Idle state after any job that runs for more than one
> # second completes.
> #
> CLAIM_WORKLIFE = 1
>
> #
> # Modify Start expression so we will not accept a second job after
> # the first one completes and the startd goes back to Idle.
> #
> START = (TotalTimeClaimedBusy =?= UNDEFINED || \\
>           TotalTimeClaimedBusy =?= 0 ) \\
>           &&  ( $(START) )
>
> #
> # Shutdown startd if we are currently idle and have ever been busy
> # in the past.
> #
> STARTD.DAEMON_SHUTDOWN = (Activity=="Idle") && \
>     ((TotalTimeClaimedBusy =!= UNDEFINED) && (TotalTimeClaimedBusy  
> > 0))
>
> #
> # Shutdown the master if the startd exits.  Note that if
> # STARTD_StartTime is zero, that the startd is not currently running.
> #
> MASTER.DAEMON_SHUTDOWN = (STARTD_StartTime =?= 0)
>
> > Thank you in advance for your replies,
> > Marian ZUREK
>
> Hope this helps Marian.  If it does, you can buy me a beer next  
> time you
> are in Madison.  :).
>
> --
> Todd Tannenbaum                       University of Wisconsin-Madison
> Condor Project Research               Department of Computer Sciences
>
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