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== How much computing can I do? ==
You can see the number of billing units available to you through your QoS by running the utility <tt>acct-tool</tt>. To make them somewhat easier to interpret, they're translated from minutes into hours and referred to as "CPU hours". The output will look something like this:
Available QoSs: pd-abc-123
Default QoS: pd-abc-123
For QoS 'pd-abc-123'this quarter: Billing CPU hours cap: 2190000.0 (131400000 billing units limit: 100000000) Billing units CPU hours used: 7196979 57.7 (3461 billing units)
When your team gets close to the limit, you may find that your jobs are not starting, but instead staying in PD (pending) state with "QOSGrpBillingMinutes" showing in the "Reason" field of squeue (or sq). Or, you may receive this pair of messages on trying to submit a job with with sbatch:
End time: 2019-11-14T20:27:50
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Breakdowns by individual jobs can be obtained from <tt>sacct</tt> with suitable options.