task1: (g=0): rw=randread, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=libaio, iodepth=1 fio-3.33 Starting 1 process task1: (groupid=0, jobs=1): err= 0: pid=17147: Sat Jul 20 23:08:03 2024 read: IOPS=1662, BW=1662MiB/s (1743MB/s)(48.7GiB/30001msec) slat (usec): min=35, max=764, avg=40.97, stdev=15.09 clat (usec): min=478, max=4643, avg=559.91, stdev=44.77 lat (usec): min=515, max=4681, avg=600.88, stdev=55.51 clat percentiles (usec): | 1.00th=[ 482], 5.00th=[ 490], 10.00th=[ 537], 20.00th=[ 553], | 30.00th=[ 553], 40.00th=[ 553], 50.00th=[ 553], 60.00th=[ 553], | 70.00th=[ 562], 80.00th=[ 586], 90.00th=[ 594], 95.00th=[ 594], | 99.00th=[ 775], 99.50th=[ 799], 99.90th=[ 979], 99.95th=[ 1004], | 99.99th=[ 1156] bw ( MiB/s): min= 992, max= 1720, per=100.00%, avg=1663.32, stdev=98.00, samples=59 iops : min= 992, max= 1720, avg=1663.32, stdev=98.00, samples=59 lat (usec) : 500=5.50%, 750=93.42%, 1000=1.03% lat (msec) : 2=0.04%, 4=0.01%, 10=0.01% cpu : usr=0.37%, sys=6.99%, ctx=49877, majf=0, minf=264 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=49868,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=1 Run status group 0 (all jobs): READ: bw=1662MiB/s (1743MB/s), 1662MiB/s-1662MiB/s (1743MB/s-1743MB/s), io=48.7GiB (52.3GB), run=30001-30001msec