HPC manual
How to get access to the cluster?
To receive access to the cluster (supercomputer), fill in the application form. As a rule, new users are invited to a meeting to discuss the user’s needs and to carry out a short briefing on the work with the cluster.
General guidelines for using the cluster
Information regarding general principles that should be followed when working with the cluster, as well as information about technical support.
Technical description of the cluster
Information regarding system parameters, access network, computing cluster Rudens, data storage, as well as nod names and parameters.
Software installed on the cluster
A summary of software installed on the HPC cluster that will be available wafter you become a user of the cluster.
Getting started with the cluster
Information about connecting to the cluster, user workspace, copying files, as well as using software modules.
Task management
This section contains the following information:
- Queuing the task;
- Managing queues, nodes, and tasks;
- Job queues;
- Task performance efficiency;
- Tasks with intensive input/output (I/O);
- Transition between commands Torque/PBS Pro and SLURM.
HPC usage tracking
Information on obtaining a balance sheet and detailed report on the use of HPC services.
Cluster user interfaces
Information about the command line, graphical interface of the software, and web interface.
Useful links
- RTU HPC Center’s website: http://hpc.rtu.lv
- Task manager system (Torque/Moab) documentation: http://www.adaptivecomputing.com/support/documentation-index/
- An online journal about HPC technologies: https://www.admin-magazine.com/HPC
Parallel commands with pdsh
Executes a parallel command on multiple nodes (from access node ui-1), for example,
- Check the nod load (load average)
pdsh -w wn[01-11,43,48-60] uptime- Check the contents of scratch directory
pdsh -w wn[01-11,43,48-60] ls -la /scratch | grep kaut_kas