task1: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=64 fio-3.33 Starting 1 process task1: (groupid=0, jobs=1): err= 0: pid=12707: Sat Jul 20 22:09:26 2024 read: IOPS=179k, BW=700MiB/s (734MB/s)(20.5GiB/30001msec) slat (nsec): min=1080, max=61107, avg=2020.27, stdev=439.42 clat (usec): min=202, max=10800, avg=354.92, stdev=61.10 lat (usec): min=204, max=10801, avg=356.94, stdev=61.10 clat percentiles (usec): | 1.00th=[ 326], 5.00th=[ 334], 10.00th=[ 338], 20.00th=[ 343], | 30.00th=[ 347], 40.00th=[ 351], 50.00th=[ 351], 60.00th=[ 355], | 70.00th=[ 359], 80.00th=[ 363], 90.00th=[ 367], 95.00th=[ 375], | 99.00th=[ 424], 99.50th=[ 603], 99.90th=[ 881], 99.95th=[ 963], | 99.99th=[ 1172] bw ( KiB/s): min=692824, max=741888, per=100.00%, avg=716794.44, stdev=10894.65, samples=59 iops : min=173206, max=185472, avg=179198.61, stdev=2723.59, samples=59 lat (usec) : 250=0.01%, 500=99.34%, 750=0.41%, 1000=0.22% lat (msec) : 2=0.03%, 4=0.01%, 10=0.01%, 20=0.01% cpu : usr=14.00%, sys=51.89%, ctx=3726619, majf=0, minf=72 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=0.1%, >=64=0.0% issued rwts: total=5374709,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=64 Run status group 0 (all jobs): READ: bw=700MiB/s (734MB/s), 700MiB/s-700MiB/s (734MB/s-734MB/s), io=20.5GiB (22.0GB), run=30001-30001msec