task1: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=32 fio-3.33 Starting 1 process task1: (groupid=0, jobs=1): err= 0: pid=12663: Sat Jul 20 22:08:56 2024 read: IOPS=179k, BW=701MiB/s (735MB/s)(20.5GiB/30001msec) slat (nsec): min=1167, max=156373, avg=2063.31, stdev=378.44 clat (usec): min=72, max=19396, avg=176.10, stdev=25.20 lat (usec): min=75, max=19398, avg=178.16, stdev=25.21 clat percentiles (usec): | 1.00th=[ 155], 5.00th=[ 161], 10.00th=[ 165], 20.00th=[ 169], | 30.00th=[ 172], 40.00th=[ 174], 50.00th=[ 176], 60.00th=[ 178], | 70.00th=[ 180], 80.00th=[ 182], 90.00th=[ 186], 95.00th=[ 190], | 99.00th=[ 210], 99.50th=[ 253], 99.90th=[ 570], 99.95th=[ 652], | 99.99th=[ 791] bw ( KiB/s): min=698256, max=747408, per=100.00%, avg=717686.51, stdev=11124.28, samples=59 iops : min=174566, max=186852, avg=179421.66, stdev=2781.01, samples=59 lat (usec) : 100=0.02%, 250=99.46%, 500=0.35%, 750=0.14%, 1000=0.02% lat (msec) : 2=0.01%, 4=0.01%, 10=0.01%, 20=0.01% cpu : usr=12.54%, sys=52.99%, ctx=3794595, majf=0, minf=41 IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=100.0%, >=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=0.1%, 64=0.0%, >=64=0.0% issued rwts: total=5380315,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=32 Run status group 0 (all jobs): READ: bw=701MiB/s (735MB/s), 701MiB/s-701MiB/s (735MB/s-735MB/s), io=20.5GiB (22.0GB), run=30001-30001msec