# dnf install fio# fio --name=randwrite --ioengine=libaio --rw=randwrite --bs=8k --size=1G --numjobs=4 --runtime=60 --time_based --group_reporting더보기randwrite: (g=0): rw=randwrite, bs=(R) 8192B-8192B, (W) 8192B-8192B, (T) 8192B-8192B, ioengine=libaio, iodepth=1 ... fio-3.19 Starting 4 processes Jobs: 1 (f=1): [_(2),w(1),_(1)][100.0%][w=7KiB/s][w=0 IOPS][eta 00m:00s] randwrite: (groupid=0, jobs=4..