[slurm-users] Reset FairShare?
pedmon at cfa.harvard.edu
Mon Jul 27 18:26:48 UTC 2020
That I don't know. I would imagine not as it doesn't touch the job
records. It just touches the totals that sshare uses to compute
fairshare. But that's just a guess on my part. We don't really use
sreport for reporting, we instead use grafana and XDMod for historic data.
On 7/27/2020 2:24 PM, Jason Simms wrote:
> Does setting RawUsage=0 for a user affect historical usage
> information, used by, e.g., sreport?
> On Mon, Jul 27, 2020 at 2:22 PM Paul Edmon <pedmon at cfa.harvard.edu
> <mailto:pedmon at cfa.harvard.edu>> wrote:
> You want this handy feature in sacctmgr:
> This allows an administrator to reset the raw usage accrued to
> an account. The only value currently supported is 0 (zero).
> This is a settable specification only - it cannot be used as a
> filter to list accounts.
> -Paul Edmon-
> On 7/27/2020 2:17 PM, Jason Simms wrote:
>> Dear all,
>> Apologies for the basic question. I've looked around online for
>> an answer to this, and I haven't found anything that has helped
>> accomplish exactly what I want. That said, it is also probable
>> that what I am asking isn't a best practice, or isn't actually
>> necessary, etc. I'd welcome any advice.
>> My question is, how can I reset a user's FairShare number?
>> Specifically, I'm asking about the last column displayed by
>> default when typing: sshare -a
>> If I want to reset a user's value for that to 1, so that they are
>> back at "top priority," I'm unclear how to do that.
>> When I type:
>> sacctmgr modify user <username> set FairShare=1
>> That seems actually to update the RawShares column! I guess this
>> (kind of) makes sense, since apparently I can set
>> FairShare=parent, so it's clear that command is not used to
>> update the last column (the one titled FairShare); so confusing!
>> Is the actual FairShare column a calculated value that is
>> immutable? My understanding, however, is that it is that value
>> that controls a user's job priority. We do have job priority
>> scheduling configured and it *seems* to be working as intended,
>> I'm just not sure how to "reset" a given user's priority weighting.
>> I do have PriorityDecayHalfLife=7 set in slurm.conf, and this
>> does decrement the RawUsage column appropriately, but even when
>> that reaches 0, the FairShare value doesn't change.
>> Warmest regards,
>> *Jason L. Simms, Ph.D., M.P.H.*
>> Manager of Research and High-Performance Computing
>> XSEDE Campus Champion
>> Lafayette College
>> Information Technology Services
>> 710 Sullivan Rd | Easton, PA 18042
>> Office: 112 Skillman Library
>> p: (610) 330-5632
> *Jason L. Simms, Ph.D., M.P.H.*
> Manager of Research and High-Performance Computing
> XSEDE Campus Champion
> Lafayette College
> Information Technology Services
> 710 Sullivan Rd | Easton, PA 18042
> Office: 112 Skillman Library
> p: (610) 330-5632
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