$ scontrol show node
NodeName=xxx Arch=i686 CoresPerSocket=1
CPUAlloc=2 CPUErr=0 CPUTot=2 CPULoad=1.49 Features=(null)
Gres=(null)
NodeAddr=jette-netbook NodeHostName=jette-netbook
OS=Linux RealMemory=990 AllocMem=100 Sockets=1 Boards=1
Right here ^^^^^^^^^^^^
> 6) Current Job Memory allocation for nodes
>
> I am currently looking for options in sstat, sinfo, scontrol.. but I can't
> find how to see the total reserved memory for one particular node.
>
> In sview, "nodes" tab, you can see how many cpus are used/free for each
> node, but not how many memory.
>
> Thks!.
>
>
> 2013/4/25 Mario Kadastik <mario.kadas...@cern.ch>
>
>>
>> Hi,
>>
>> I'm trying to get an overview of the state of the cluster. What I'd really
>> like to know is for example:
>>
>> 1) compute nodes online
>> 2) compute cores online
>> 3) compute cores allocated
>> 4) distribution of job sizes currently running (and queued possibly)
>> 5) list of nodes that are down/draining and reason
>>
>> out of those #1 and #5 can be gotten from sinfo command with sinfo -Nle -p
>> main, which shows nodes and their states with reasons.
>>
>> However I cannot find right now quickly how to find out how many cores in
>> total are online (in theory it's nodes up * cpu count / node summed for
>> each node type) and even more crucial is how many cores are actually used
>> and by what size jobs. Today I was really tearing my hair out as 99% of the
>> time we use single core jobs and on my ca 4300 cores I only saw ca 1800
>> jobs with 6000 in queue. As it came out a user had submitted 5 jobs with
>> subtasks. Four had 100 subtasks and one had 2000 nicely accounting for the
>> missing jobs. However I would really appreciate some summary view of the
>> cluster. Is it already available in sinfo, sstat, scontrol commands? If
>> not, does anyone have a good script that gathers the info together
>> efficiently and lists it.
>>
>> It'd have to be text only as all nodes are headless and I'd prefer to get
>> the overview in a nice summary in shell.
>>
>> Thanks,
>>
>> Mario Kadastik, PhD
>> Researcher
>>
>> ---
>> "Physics is like sex, sure it may have practical reasons, but that's not
>> why we do it"
>> -- Richard P. Feynman
>>
>
