CERN ○Performance Bandwidth IOPS ·Latency .Blocksize Latency Start 10 End Time Bandwidth IO volume time IOPS IO operations time Latency time IO operation Blocksize payload operation CERN） CSC 2018 Data Technology ExercisesCSC 2018 Data Technology Exercises IO Performance Bandwidth = IO volume / time IOPS = IO operations / time Latency = time / IO operation Blocksize = payload / operation •Bandwidth •IOPS •Latency •Blocksize