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 <[email protected]> > > 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 >
