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Hi all, We are seeing a weird CPU usage for some DIRAC glexec jobs of the ILC VO running at RALPP. Despite the pilot output showing a request for 1 CPU to be used, top displays a 800% CPU usage for that job, effectively overloading the worker node. It looks to me that the job is using 8 cores but Condor had allocated it a 1 -core slot, as per the pilot request. Has anyone seen that? Could it be a wrong job submission by the user, or is there something wrong in our site configuration? I am no expert about DIRAC so please forgive me if this questions sound silly. Also, I can provide further information if needed. Regards, Federico Melaccio GridPP Linux System Administrator Particle Physics Department R1-S-2.84 Rutherford Appleton Laboratory Harwell Oxford, Didcot OX11 0QX Tel: (01235) 445670