DAQ computing cluster performance during data taking. Top panel: average memory (left) and CPU load (right) per night of the physical computing nodes. Bottom panel: standard deviation of the memory (left) and CPU (right) load of the computing nodes. We note that 100% CPU load corresponds to one of the 20 available cores per CPU. The ‘Analyser’ process does the bulk data processing, while the ‘Receiver’ process is responsible for data reception in the Event Builder.