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[HTCondor-users] Improving negotiator match rate


Setup description:

Condor version 8.8.9

1.5k physical machines

18.9k cores

~200TB RAM

~50k jobs in queues

4 schedulers machines (16 cores 128GB RAM each)

Negotiator / Collector machine runs on 4 core 16GB RAM machine.

Condor configuration description:

Accounting groups quotas

Pslot preemption enabled

All partitionable slots are running within Docker universe

Issue description:

We experiencing a slow job matching rate ~15 per second when the cluster is ~50% idle.

Can anyone share their tips on how to improve this rate?