Re: [slurm-users] Queue size, slow/unresponsive head node

2018-01-11 Thread Nicholas C Santucci
Why do you have? SchedulerParameters = (null) Is that even allowed ​?​ https://slurm.schedmd.com/sched_config.html On Thu, Jan 11, 2018 at 1:39 PM, Colas Rivière wrote: > Hello, > > I'm managing a small cluster (one head node, 24 workers, 1160 total worker > threads). The head node has t

[slurm-users] Queue size, slow/unresponsive head node

2018-01-11 Thread Colas Rivière
Hello, I'm managing a small cluster (one head node, 24 workers, 1160 total worker threads). The head node has two E5-2680 v3 CPUs (hyper-threaded), ~100 GB of memory and spinning disks. The head node becomes occasionally less responsive when there are more than 10k jobs in queue, and becomes r

Re: [slurm-users] slurm 17.11.2 and X11 forwarding on CentOS 7.4

2018-01-11 Thread Marcus Wagner
Hmm... I found out some more interesting things: It does not work, if I do $> srun --x11 xterm the error is: X11 connection rejected because of wrong authentication. /usr/bin/xterm: Xt error: Can't open display: localhost:77.0 srun: error: linuxbmc0253: task 0: Exited with exit code 1 but the

[slurm-users] slurm 17.11.2 and X11 forwarding on CentOS 7.4

2018-01-11 Thread Marcus Wagner
Hi folks, I wonder, if there is anyone here, who has an actual slurm running on CentOS 7.4 with the (slurm-)native X11 forwarding mechanism. Is Untrusted X11 Forwarding (-X) needed or does Trusted X11 Forwarding (-Y) also function? For some reason, we cannot use ssh -X from a CentOS 7.4 cli