Re: [HTCondor-users] Feature request: non-integer DAGMAN_SUBMIT_DELAY

[Todd Tannenbaum <tannenba@xxxxxxxxxxx>]

On 4/20/2016 8:47 AM, Vladimir Brik wrote:
> Hello,
>
> Would it be possible to allow non-integer DAGMAN_SUBMIT_DELAY values in
> future versions of Condor?
>
> We use DAGMAN_SUBMIT_DELAY to limit the load big dagmans generate on our
> Lustre file system. It works, but 1 second is just too much of a delay.
> It would be nice if it were possible to set the delay to a
> floating-point number.
>
>
> Vlad

Hi Vlad,

What is actually causing the trouble for Lustre?

  1. Submission of jobs, or
  2. Running of Dagman Pre scripts on the submit nodes, or
  3. Running of the actual jobs on the execute nodes ?

I am guessing that #1 isn't the real problem, but what you are really 
trying to limit is #2 or #3.  I know there are config knobs that can 
control the rate at a sub-second resolution for #3 above, and possibly 
for #2 as well.

regards
Todd


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--
Todd Tannenbaum <tannenba@xxxxxxxxxxx> University of Wisconsin-Madison
Center for High Throughput Computing   Department of Computer Sciences
HTCondor Technical Lead                1210 W. Dayton St. Rm #4257
Phone: (608) 263-7132                  Madison, WI 53706-1685