Slurm Workload Manager: Difference between revisions

Revision as of 23:45, 12 November 2018

Revision as of 11:14, 21 December 2018

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{{Multiple issues|

{{primarysourcesprimary sources|date=July 2010}}

{{Notability|date=July 2010}}

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* arbitrating contention for resources by managing a queue of pending jobs.

Slurm is the workload manager on about 60% of the [[TOP500]] supercomputers. {{Citation Neededneeded|date=May 2018}}

Slurm uses a [[curve fitting|best fit algorithm]] based on [[Hilbert curve scheduling]] or [[fat tree]] network topology in order to optimize locality of task assignments on parallel computers.<ref name=Eitan>{{Cite conference|doi=10.1007/978-3-642-04633-9_8|title=Effects of Topology-Aware Allocation Policies on Scheduling Performance|conference=Job Scheduling Strategies for Parallel Processing|series=Lecture Notes in Computer Science|year=2009|last1=Pascual|first1=Jose Antonio|last2=Navaridas|first2=Javier|last3=Miguel-Alonso|first3=Jose|isbn=978-3-642-04632-2|volume=5798|pages=138–144}}</ref>

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* {{cite conference|doi=10.1007/10968987_3|url=http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.10.6834|title=SLURM: Simple Linux Utility for Resource Management|conference=Job Scheduling Strategies for Parallel Processing|series=Lecture Notes in Computer Science|year=2003|last1=Yoo|first1=Andy B.|last2=Jette|first2=Morris A.|last3=Grondona|first3=Mark|isbn=978-3-540-20405-3|volume=2862|page=44}}

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==SLURM Commands==

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The following is a list of useful commands available for SLURM. Some of these were built by CCR to allow easier reporting for users.

For usage information for these commands, use --helpuse—help (example: sinfo --helpsinfo—help)

Use the linux command 'man' for more information about most of these commands (example: man sinfo)

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|['''Cancel a pending or running job'''||scancel '''jobid'''

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|['''Check the state of a user’suser's jobs'''||squeue --usersqueue—user='''username'''

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|['''Allocate compute nodes for interactive use'''||salloc'''

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|['''Get the efficiency of a running job'''||sueff '''user-name'''

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|['''Get SLURM accounting information for a user’suser's jobs from start date to now'''||suacct start-date '''user-name'''

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|['''Get SLURM accounting and node information for a job'''||slist '''jobid'''

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|['''Get resource usage and accounting information for a user’suser's jobs from start date to now'''||slogs '''start-date user-list'''

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|['''Get estimated starting times for queued jobs'''||stimes '''[various squeue options]'''