task1: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=24 fio-3.33 Starting 1 process task1: (groupid=0, jobs=1): err= 0: pid=12619: Sat Jul 20 22:08:25 2024 read: IOPS=177k, BW=691MiB/s (725MB/s)(20.3GiB/30001msec) slat (nsec): min=1050, max=67038, avg=1971.68, stdev=337.19 clat (usec): min=51, max=5224, avg=133.33, stdev=20.34 lat (usec): min=53, max=5226, avg=135.31, stdev=20.34 clat percentiles (usec): | 1.00th=[ 114], 5.00th=[ 121], 10.00th=[ 124], 20.00th=[ 126], | 30.00th=[ 128], 40.00th=[ 130], 50.00th=[ 133], 60.00th=[ 133], | 70.00th=[ 135], 80.00th=[ 139], 90.00th=[ 143], 95.00th=[ 149], | 99.00th=[ 172], 99.50th=[ 194], 99.90th=[ 474], 99.95th=[ 570], | 99.99th=[ 725] bw ( KiB/s): min=691744, max=732840, per=100.00%, avg=708061.42, stdev=9022.91, samples=59 iops : min=172938, max=183210, avg=177015.39, stdev=2255.72, samples=59 lat (usec) : 100=0.10%, 250=99.64%, 500=0.18%, 750=0.08%, 1000=0.01% lat (msec) : 2=0.01%, 4=0.01%, 10=0.01% cpu : usr=13.71%, sys=50.41%, ctx=3721007, majf=0, minf=33 IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=100.0%, 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=0.1%, 64=0.0%, >=64=0.0% issued rwts: total=5309294,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=24 Run status group 0 (all jobs): READ: bw=691MiB/s (725MB/s), 691MiB/s-691MiB/s (725MB/s-725MB/s), io=20.3GiB (21.7GB), run=30001-30001msec