task1: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=128 fio-3.33 Starting 1 process task1: (groupid=0, jobs=1): err= 0: pid=12756: Sat Jul 20 22:09:57 2024 read: IOPS=179k, BW=699MiB/s (733MB/s)(20.5GiB/30001msec) slat (nsec): min=1057, max=90121, avg=1999.75, stdev=423.00 clat (usec): min=348, max=17453, avg=712.87, stdev=117.83 lat (usec): min=351, max=17455, avg=714.87, stdev=117.83 clat percentiles (usec): | 1.00th=[ 660], 5.00th=[ 676], 10.00th=[ 685], 20.00th=[ 693], | 30.00th=[ 693], 40.00th=[ 701], 50.00th=[ 709], 60.00th=[ 709], | 70.00th=[ 717], 80.00th=[ 725], 90.00th=[ 734], 95.00th=[ 742], | 99.00th=[ 938], 99.50th=[ 1123], 99.90th=[ 1762], 99.95th=[ 2409], | 99.99th=[ 5932] bw ( KiB/s): min=651192, max=746072, per=100.00%, avg=716037.83, stdev=14093.55, samples=59 iops : min=162798, max=186518, avg=179009.42, stdev=3523.41, samples=59 lat (usec) : 500=0.01%, 750=96.53%, 1000=2.64% lat (msec) : 2=0.75%, 4=0.05%, 10=0.02%, 20=0.01% cpu : usr=13.18%, sys=51.83%, ctx=3757059, majf=0, minf=138 IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0% 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=0.1% issued rwts: total=5369434,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=128 Run status group 0 (all jobs): READ: bw=699MiB/s (733MB/s), 699MiB/s-699MiB/s (733MB/s-733MB/s), io=20.5GiB (22.0GB), run=30001-30001msec