Posts tagged memory

How to get more memory for my Slurm job

The amount of memory specified on the Levante configuration page for different node types refers to the total physical memory installed in a node. Since some memory is reserved for the needs of the operating system and the memory-based local file system (e.g. /tmp, /usr), the amount of memory actually available for job execution is less than the total physical memory of a node.

The table below provides numbers for the preset amounts of physical memory (RealMemory), memory reserved for the system (MemSpecLimit) and memory available for job execution (which is the difference between RealMemory and MemSpecLimit) for three Levante node variants:

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