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An object-oriented Computational Fluid Dynamics(CFD) toolkit |
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Typically, OpenFOAM causes a lot of meta data operations. This default behavior jams no only your job but may slow down the shared parallel file system (=Lustre) for all other users. Also, your job is interrupted if the inode limit (number of files) of the quota system (hlrnquota) is exceeded.
If you can not use our local 2TB-SSDs (see Special Filesystems) #SBATCH --partition={standard,large,huge}96:ssd at $LOCAL_TMPDIR please refer to our general advices to reduce Metadata Usage on WORK (=Lustre).
To adapt/optimize your OpenFOAM job specifically for I/O operations on $WORK (=Lustre) we strongly recommend the following steps:
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