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Resource Limits

This section lists the resource limits for the JUROPA/HPC-FF cluster.

Process Limits

The most important process limits are itemized in the table below for different JUROPA/HPC-FF nodes.

All process resource soft limits can also be displayed when executing:

ulimit -Sa

or, for hard limits:

ulimit -Ha

Note: Soft limits can never exceed the hard limits.

HPC-FF Settings

Node TypeResourceSoft LimitHard Limit
HPC-FF loginvirtual memory (bytes)unlimitedunlimited
HPC-FF loginstack size (bytes)5242883145728
HPC-FF logindata segment size (bytes)5242883145728
HPC-FF loginCPU time (sec)18002100
HPC-FF loginmax. number of processes per user10244096
HPC-FF loginmaximum number of open files10246144
HPC-FF computevirtual memory (bytes)unlimitedunlimited
HPC-FF computestack size (bytes)unlimitedunlimited
HPC-FF computedata segment size (bytes)unlimitedunlimited
HPC-FF computeCPU time (sec)unlimitedunlimited
HPC-FF computemax. number of processes per userunlimitedunlimited
HPC-FF computemaximum number of open filesunlimitedunlimited


JSC Settings

Node TypeResourceSoft LimitHard Limit
JSC loginvirtual memory (bytes)unlimitedunlimited
JSC loginstack size (bytes)5242883145728
JSC logindata segment size (bytes)5242883145728
JSC loginCPU time (sec)18002100
JSC loginmax. number of processes per user10244096
JSC loginmaximum number of open files10246144
JSC computevirtual memory (bytes)unlimitedunlimited
JSC computestack size (bytes)unlimitedunlimited
JSC computedata segment size (bytes)unlimitedunlimited
JSC computeCPU time (sec)unlimitedunlimited
JSC computemax. number of processes per userunlimitedunlimited
JSC computemaximum number of open filesunlimitedunlimited

GPFS Settings

Node TypeResourceSoft LimitHard Limit
GPFS loginvirtual memory (bytes)unlimitedunlimited
GPFS loginstack size (bytes)5242883145728
GPFS logindata segment size (bytes)5242883145728
GPFS loginCPU time (sec)2160024000
GPFS loginmax. number of processes per user10244096
GPFS loginmaximum number of open files10246144



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