Re: [HTCondor-users] peaceful DEFRAG_SCHEDULE?

["Beyer, Christoph" <christoph.beyer@xxxxxxx>]

Wellwell - I expected this to be more complex you would not have asked otherwise ;) 

Keep us posted if you find tweaks please - always intersting to see what can be done ! 

best
christoph

-- 
Christoph Beyer
DESY Hamburg
IT-Department

Notkestr. 85
Building 02b, Room 009
22607 Hamburg

phone:+49-(0)40-8998-2317
mail: christoph.beyer@xxxxxxx

----- UrsprÃngliche Mail -----
Von: "Carsten Aulbert" <carsten.aulbert@xxxxxxxxxx>
An: "htcondor-users" <htcondor-users@xxxxxxxxxxx>
Gesendet: Donnerstag, 2. September 2021 09:55:35
Betreff: Re: [HTCondor-users] peaceful DEFRAG_SCHEDULE?

Hi

On 02.09.21 09:26, Beyer, Christoph wrote:
> you might come up with a ranking expression for longer running jobs to prefer hosts that have the longest time to live which presumably should cluster these jobs on a couple of machines ?

as we usually have many more jobs waiting for nodes become available, 
there is usually not much choice by RANK where to run. Also, I fear this 
would not work as the jobs do not advertise their presumed run times 
(e.g. because it is hard or impossible to estimate as it may very well 
be input data dependent).

Unfortunately, many of these jobs are also pieced together in ways that 
seems to make check-pointing too hard to implement :(.

Cheers

Carsten
-- 
Dr. Carsten Aulbert, Max Planck Institute for Gravitational Physics,
CallinstraÃe 38, 30167 Hannover, Germany, Phone +49 511 762 17185



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