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en:centro:servizos:hpc [2023/03/03 14:00] – [Status of Jobs in the queuing system] fernando.guillenen:centro:servizos:hpc [2024/05/23 11:27] (current) – fernando.guillen
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 To access the cluster, access must be requested in advance via [[https://citius.usc.es/uxitic/incidencias/add|incident form]]. Users who do not have access permission will receive an "incorrect password" message. To access the cluster, access must be requested in advance via [[https://citius.usc.es/uxitic/incidencias/add|incident form]]. Users who do not have access permission will receive an "incorrect password" message.
  
-The access is done through an SSH connection to the login node:+The access is done through an SSH connection to the login node (172.16.242.211):
 <code bash> <code bash>
 ssh <nombre_de_usuario>@hpc-login2.inv.usc.es ssh <nombre_de_usuario>@hpc-login2.inv.usc.es
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 # Install  # Install 
 sh Miniconda3-py39_4.11.0-Linux-x86_64.sh sh Miniconda3-py39_4.11.0-Linux-x86_64.sh
 +#  Initialize for bash shell
 +~/miniconda3/bin/conda init bash
 </code> </code>
  
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 ==== Sending a job to the queue system ==== ==== Sending a job to the queue system ====
 == Requesting resources == == Requesting resources ==
-By default, if you submit a job without specifying anything, the system submits it to the default (regular) QOS and assigns it a node, a CPU and all available memory. The time limit for job execution is that of the queue (4 days and 4 hours). +By default, if you submit a job without specifying anything, the system submits it to the default (regular) QOS and assigns it a node, a CPU and 4 GB. The time limit for job execution is that of the queue (4 days and 4 hours). 
 This is very inefficient, the ideal is to specify as much as possible at least three parameters when submitting jobs: This is very inefficient, the ideal is to specify as much as possible at least three parameters when submitting jobs:
   -  %%Node number (-N or --nodes), tasks (-n or --ntasks) and/or CPUs per task (-c or --cpus-per-task).%%   -  %%Node number (-N or --nodes), tasks (-n or --ntasks) and/or CPUs per task (-c or --cpus-per-task).%%
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 # Get interactive access to a node (Press Ctrl+D to exit): # Get interactive access to a node (Press Ctrl+D to exit):
 hpc-login2 ~]$ salloc -N1  hpc-login2 ~]$ salloc -N1 
 +# Get interactive EXCLUSIVE access to a node
 +hpc-login2 ~]$ salloc -N1 --exclusive
 </code> </code>
 3. SRUN \\ 3. SRUN \\