task1: (g=0): rw=randread, bs=(R) 8192B-8192B, (W) 8192B-8192B, (T) 8192B-8192B, ioengine=libaio, iodepth=4 fio-3.33 Starting 1 process task1: (groupid=0, jobs=1): err= 0: pid=12928: Sat Jul 20 22:12:00 2024 read: IOPS=71.3k, BW=557MiB/s (584MB/s)(16.3GiB/30001msec) slat (nsec): min=1099, max=56406, avg=2444.74, stdev=510.83 clat (usec): min=36, max=2753, avg=53.25, stdev=14.03 lat (usec): min=38, max=2755, avg=55.70, stdev=14.04 clat percentiles (usec): | 1.00th=[ 45], 5.00th=[ 47], 10.00th=[ 49], 20.00th=[ 50], | 30.00th=[ 51], 40.00th=[ 52], 50.00th=[ 53], 60.00th=[ 54], | 70.00th=[ 55], 80.00th=[ 57], 90.00th=[ 58], 95.00th=[ 60], | 99.00th=[ 66], 99.50th=[ 81], 99.90th=[ 120], 99.95th=[ 178], | 99.99th=[ 725] bw ( KiB/s): min=528928, max=596016, per=100.00%, avg=570617.76, stdev=19214.01, samples=59 iops : min=66116, max=74502, avg=71327.22, stdev=2401.75, samples=59 lat (usec) : 50=21.01%, 100=78.83%, 250=0.13%, 500=0.02%, 750=0.01% lat (usec) : 1000=0.01% lat (msec) : 2=0.01%, 4=0.01% cpu : usr=7.40%, sys=25.19%, ctx=1747709, majf=0, minf=17 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=2139317,0,0,0 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=557MiB/s (584MB/s), 557MiB/s-557MiB/s (584MB/s-584MB/s), io=16.3GiB (17.5GB), run=30001-30001msec