task1: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=1 fio-3.33 Starting 1 process task1: (groupid=0, jobs=1): err= 0: pid=12277: Sat Jul 20 22:04:20 2024 read: IOPS=20.9k, BW=81.7MiB/s (85.7MB/s)(2453MiB/30001msec) slat (nsec): min=1750, max=55521, avg=2048.28, stdev=255.53 clat (usec): min=38, max=1566, avg=45.38, stdev=11.51 lat (usec): min=40, max=1568, avg=47.43, stdev=11.54 clat percentiles (usec): | 1.00th=[ 41], 5.00th=[ 44], 10.00th=[ 44], 20.00th=[ 45], | 30.00th=[ 45], 40.00th=[ 45], 50.00th=[ 45], 60.00th=[ 45], | 70.00th=[ 46], 80.00th=[ 46], 90.00th=[ 47], 95.00th=[ 47], | 99.00th=[ 51], 99.50th=[ 60], 99.90th=[ 101], 99.95th=[ 219], | 99.99th=[ 644] bw ( KiB/s): min=81272, max=90856, per=100.00%, avg=83752.27, stdev=1202.28, samples=59 iops : min=20318, max=22714, avg=20938.07, stdev=300.57, samples=59 lat (usec) : 50=98.78%, 100=1.11%, 250=0.06%, 500=0.02%, 750=0.02% lat (usec) : 1000=0.01% lat (msec) : 2=0.01% cpu : usr=2.02%, sys=6.59%, ctx=627858, majf=0, minf=12 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=627855,0,0,0 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=81.7MiB/s (85.7MB/s), 81.7MiB/s-81.7MiB/s (85.7MB/s-85.7MB/s), io=2453MiB (2572MB), run=30001-30001msec