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Hi, We have an upcoming hardware procurement for the next phase of our compute facility and we are currently having discussions on the resource requirements for jobs that will be run on the new equipment. At the moment the current perception is to go with 2GB of memory per core - where one core maps to one job slot. Does anyone know if this is an acceptable (and relatively decent) level of memory allocation for LHC experiment software? Or would it be sensible to invest in a more memory? I am particularly interested in profiling how scaling memory improves execution speed and overall job efficiency. If anyone has resources I can reference on this subject that would be great. On a related note does anyone have any experience with optimising NUMA configuration on multi-core boxes in a batch system environment? Thanks for your help, Andy. -- The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336.