According to https://docs.rc.fas.harvard.edu/kb/fairshare/ and
https://slurm.schedmd.com/SUG14/fair_tree.pdf :
"The Fairshare score is calculated using the following formula.f =
2^(-EffectvUsage/NormShares)"
This is clearly not happening on my system:
Account User RawShares NormShares RawUsage NormUsage
EffectvUsage FairShare LevelFS GrpTRESMins
TRESRunMins
-------------------- ---------- ---------- ----------- ----------- -----------
------------- ---------- ---------- ------------------------------
------------------------------
...
mic acataldo parent 0.991736 13066208 0.210193
0.210193 0.983871
cpu=169648,mem=1389757781,ene+
mic achowdhury parent 0.991736 0 0.000000
0.000000 0.983871
cpu=0,mem=0,energy=0,node=0,b+
...
Every user has 0.991736 NormShares.
Acataldo has EffectvUsage = 0.210193
Achowdhury has EffectvUsage = 0
But both users have the same FairShare. The correct values according to the
above formula would be 0.863 and 1.0 respectively.
So what's going on?
On Aug 10, 2024, at 7:36 AM, Daniel M. Drucker <ddruc...@mclean.harvard.edu>
wrote:
Here is what is confusing me I guess. Look at the below. You can see that some
people have no usage and some people have a lot of usage. But their FairShare
value is all identical.
https://lists.schedmd.com/mailman3/hyperkitty/list/slurm-users@lists.schedmd.com/thread/I53OEJSNBT2BMXYVFEFHQQKKAHIUYA53/
seems to say that fairshare=parent should work just fine, but what I am
seeing is that it is NOT altering people's FairShare?
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