===== hold and release job =====

only admin can release:

<code>
scontrol hold id_0
</code>
user can release:

<code>
scontrol uhold id_0 id_1 
</code>
<code>
scontrol release id_0
</code>
===== account and user setup =====

<code>
sacctmgr add acount account_name parent=root share=1
</code>
<code>
sacctmgr add user 70032 account=account_name
</code>
===== adding qos =====

<code>
sacctmgr add qos test2 GrpTRES=cpu=300
</code>
<code>
sacctmgr update qos test2 set MaxTRESPU=node=4
</code>
Remove a constraint:

<code>
sacctmgr update qos test2 set MaxTRESPU=node=-1
</code>
===== trackable resources (tres) =====

<code>
sacctmgr show tres
</code>
  * licences
  * gpus
  * …

===== reservations =====

<code>
scontrol create reservation starttime=$START \
        endtime=$END \
        partitionname=$PARTITION \
        Accounts=$ACCOUNT \
        Users=$Users \
        Nodecnt=$NODECOUNT 
</code>
<code>
scontrol show res
</code>
<code>
Flags=MAINT
    
</code>
===== sreport =====

show usage statistics

<code>
sreport cluster utilization
</code>
  * cluster
  * job
  * reservation
  * user