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[HTCondor-users] Negotiator/userprio changes in 8.7?
- Date: Fri, 23 Mar 2018 10:30:37 -0700
- From: Mats Rynge <rynge@xxxxxxx>
- Subject: [HTCondor-users] Negotiator/userprio changes in 8.7?
We recently updated a central manager from 8.6 to 8.7.7. The main reason
for the upgrade was the better support for having two negotiators, each
one managing a disjoint set of the pool.
Scheduling of jobs seems ok, but output of condor_userprio and the
negotiator logs indicate that something changed. condor_userprio no
longer shows all the resources in "Res In Use" column. For example, we
had about 6500 slots and userprio only showed 267. See:
Under 8.6, the in use column seemed to be properly populated with
correct number of jobs running per user. Under 8.7.7, it is mostly 0s,
but a few incorrect values for some users.
Full cycle of the negotiator log here:
My config is from several generations of HTCondor, but worked well with
8.6. Negotiator bits:
Setting NEGOTIATOR_CONSIDER_PREEMPTION=True makes condor_userprio look
correct again. The NEGOTIATOR_CONSIDER_PREEMPTION=False setting comes
from glideinWMS. My questions are:
1) When NEGOTIATOR_CONSIDER_PREEMPTION=False, is the condor_userprio
behavior described above expected?
2) Would you recommend NEGOTIATOR_CONSIDER_PREEMPTION=True for a
glideinWMS based pool? We never do scheduling based preemption,
USC/ISI - Pegasus Team <http://pegasus.isi.edu>