Re: [slurm-users] Slurm account names limitation: must be unique in the first 20 characters

2018-12-10 Thread Jacob Chappell
Thanks, Jeffrey. It looks like this limit has been changed to 42 on the master branch of Slurm, so I suppose a future version of Slurm (19?) will fix this. __ *Jacob D. Chappell, CSM* *Research Computing Associate* Research Computing | Research Compu

Re: [slurm-users] Slurm account names limitation: must be unique in the first 20 characters

2018-12-10 Thread Jeffrey Frey
For MySQL to use a text column as a primary key, it requires a limit on how many bytes are significant. Just check through src/plugins/accounting_storage/mysql/accounting_storage_mysql.c and you'll see lots of primary keys with "(20)" indexing lengths specified. With an extant database you ma

Re: [slurm-users] CPU & memory usage summary for a job

2018-12-10 Thread Carlos Fenoy
You can also use the influxdb profiling plugin I developed that’s included in the latest slurm version. It will provide live cpu and memory usage per task, step, host and job. You can then provide a grafana dashboard to display the live metrics Regards, Carlos Sent from my iPhone > On 9 Dec 2

Re: [slurm-users] CPU & memory usage summary for a job

2018-12-10 Thread Jacob Jenson
Would job profiling with HDF5 work as well? https://slurm.schedmd.com/hdf5_profile_user_guide.html Jacob On Sun, Dec 9, 2018 at 4:17 PM Sam Hawarden wrote: > Hi Aravindh > > For our small 3 node cluster I've hacked together a per-node python script > that collects current and peak cpu, memory

Re: [slurm-users] possible to set memory slack space before killing jobs?

2018-12-10 Thread Michael Robbert
If you want to detect lost DIMMs or anything like that use a Node Health Check script. I recommend and use this one: https://github.com/mej/nhc It has an option to generate a configuration file that will watch way more than you probably need, but if you want to know if something on your nodes h

[slurm-users] Slurm account names limitation: must be unique in the first 20 characters

2018-12-10 Thread Jacob Chappell
Hi all, We've come across an issue recently with Slurm account names. Our center uses fairly long Slurm account names, as they record various important pieces of information about the account such as the user's unique id, department, project name, etc. Consequently, our account naming structure is