[Gate-users] Condor_hold and condor_release GATE simulation on a cluster

[Mathieu Dupont]

Hi, 

Without Condor, my first idea would be to send SIGTSTP signal to
yours GATE processes runned by condor. And SIGCONT signal to resume
them. 

And by looking at condor documentation, i found command condor_suspend
(https://htcondor.readthedocs.io/en/stable/man-pages/condor_suspend.html)
and condor_continue
(https://htcondor.readthedocs.io/en/stable/man-pages/condor_continue.html)
which seem to do it.  Maybe can you try them ? 



--------
On Wed, 8 Apr 2020 15:46:52 -0700
Zhengzhi Liu <zliu36 at stanford.edu> wrote:

> Dear Gate users,
> 
> For some GATE simulation, the runtime could be as long as a couple of
> days even on a 56 cores cluster. However, I can't let my GATE
> simulation occupy all the cores on the cluster during working hours
> since other colleagues are also using the machine. Thus I tried to
> hold my GATE simulation during the working hours and later resume
> previous GATE simulation. The commands I found to achieve this goal
> are condor_hold
> <https://www.cl.cam.ac.uk/manuals/condor-V6_8_3-Manual/condor_hold.html>
> and condor_release
> <https://www.cl.cam.ac.uk/manuals/condor-V6_8_3-Manual/condor_release.html#man-condor-release>.
> Everything works fine that condor_hold can put my GATE jobs on hold
> and condor_relese can resume GATE simulation. Except that running
> condor_release would wipe existed data.
> 
> I might have misunderstood the function of condor_hold. Honestly, I
> don't fully understand the description. It might have killed the GATE
> program. Are there any GATE experts who know how to pause GATE
> simulation and resume it at a later time? If this is possible.
> 
> Thank you very much for any help.
> Sincere wishes,
> 
> Zhengzhi



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