task1: (g=0): rw=randread, bs=(R) 512KiB-512KiB, (W) 512KiB-512KiB, (T) 512KiB-512KiB, ioengine=libaio, iodepth=4 fio-3.33 Starting 1 process task1: (groupid=0, jobs=1): err= 0: pid=16026: Sat Jul 20 22:48:43 2024 read: IOPS=5511, BW=2756MiB/s (2889MB/s)(80.7GiB/30001msec) slat (usec): min=18, max=419, avg=22.40, stdev= 2.20 clat (usec): min=395, max=3302, avg=702.96, stdev=14.14 lat (usec): min=537, max=3324, avg=725.36, stdev=14.35 clat percentiles (usec): | 1.00th=[ 701], 5.00th=[ 701], 10.00th=[ 701], 20.00th=[ 701], | 30.00th=[ 701], 40.00th=[ 701], 50.00th=[ 701], 60.00th=[ 701], | 70.00th=[ 701], 80.00th=[ 701], 90.00th=[ 709], 95.00th=[ 709], | 99.00th=[ 709], 99.50th=[ 709], 99.90th=[ 734], 99.95th=[ 750], | 99.99th=[ 816] bw ( MiB/s): min= 2742, max= 2757, per=100.00%, avg=2756.22, stdev= 2.57, samples=59 iops : min= 5484, max= 5514, avg=5512.44, stdev= 5.15, samples=59 lat (usec) : 500=0.01%, 750=99.95%, 1000=0.04% lat (msec) : 2=0.01%, 4=0.01% cpu : usr=0.57%, sys=13.06%, ctx=165337, majf=0, minf=521 IO depths : 1=0.1%, 2=0.1%, 4=100.0%, 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=165337,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=4 Run status group 0 (all jobs): READ: bw=2756MiB/s (2889MB/s), 2756MiB/s-2756MiB/s (2889MB/s-2889MB/s), io=80.7GiB (86.7GB), run=30001-30001msec