Re: [HTCondor-users] Pre-empting two jobs

[Evan Sarmiento <esarmien@xxxxxxxxxxxxx>]

Hi Brian,

Thanks for your response. Yes, I guess that is the feature Iâm looking for and Iâm glad its being worked on. In the meantime, do you know the answer to the following question?

* Is there a Python Api for condor_cod requests? I donât see it mentioned, anywhere.

Best,

Evan

Evan Sarmeinto

Front End Systems Software Developer

Harvard-MIT Data Center

T: 617-384-5876

E: esarmien@xxxxxxxxxxxxx

Follow us: @hmdcrce

On Tue, Jun 16, 2015 at 9:44 PM, Brian Bockelman <bbockelm@xxxxxxxxxxx> wrote:

Hi Evan,

I assume you are referring to a partitionable slot setup (also called âp-slotsâ)?

In that case, I think you are looking for a feature called âpartitionable slot preemptionâ. According to the ticketing system, it is slated for the 8.3.6 release (preliminarily targeted for June 18). That said, I donât see documentation for the feature yet, so I donât know if itâs going to slip.

Brian

> On Jun 16, 2015, at 8:13 PM, Evan Sarmiento <esarmien@xxxxxxxxxxxxx> wrote:
>
> Hi All,
>
> I was wondering if there was a way to configure HTCondor to pre-empt two jobs.
>
> Letâs say that I have a job that requires 4GB and 1 CPU on an HTCondor pool of 4GB,2CPU. Two jobs have consumed the entirety of the resources of the HTCondor pool, each job consuming 2GB of memory and 1 CPU.
>
> Now, I read all the documentation and apparently the solution here is to use âdefragâ since these will be dynamic slots or compute-on-demand, but, compute-on-demand requires that you actually specify the startd address of the host you want to run the job on.
>
> Is there any magical HTCondor configuration parameter which will allow a job to pre-empt as many jobs-on-dynamic-slots as it needs to in order to run?
>
> Best,
> Evan
>
>
> Evan Sarmeinto
> Front End Systems Software Developer
> Harvard-MIT Data Center
> T: 617-384-5876
> E: esarmien@xxxxxxxxxxxxx
> Follow us: @hmdcrce
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