task1: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=32 fio-3.33 Starting 1 process task1: (groupid=0, jobs=1): err= 0: pid=8441: Sat Jul 20 21:19:58 2024 read: IOPS=50.6k, BW=198MiB/s (207MB/s)(5931MiB/30001msec) slat (nsec): min=1094, max=56943, avg=2204.62, stdev=512.10 clat (usec): min=135, max=2625, avg=629.76, stdev=195.71 lat (usec): min=138, max=2627, avg=631.96, stdev=195.68 clat percentiles (usec): | 1.00th=[ 322], 5.00th=[ 388], 10.00th=[ 416], 20.00th=[ 453], | 30.00th=[ 490], 40.00th=[ 537], 50.00th=[ 594], 60.00th=[ 668], | 70.00th=[ 734], 80.00th=[ 799], 90.00th=[ 889], 95.00th=[ 971], | 99.00th=[ 1172], 99.50th=[ 1270], 99.90th=[ 1565], 99.95th=[ 1762], | 99.99th=[ 2024] bw ( KiB/s): min=175416, max=225024, per=100.00%, avg=202929.76, stdev=9671.73, samples=59 iops : min=43854, max=56256, avg=50732.47, stdev=2417.97, samples=59 lat (usec) : 250=0.16%, 500=32.14%, 750=40.68%, 1000=23.07% lat (msec) : 2=3.93%, 4=0.01% cpu : usr=3.67%, sys=13.49%, ctx=468540, majf=0, minf=41 IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=100.0%, >=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=1518385,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=32 Run status group 0 (all jobs): READ: bw=198MiB/s (207MB/s), 198MiB/s-198MiB/s (207MB/s-207MB/s), io=5931MiB (6219MB), run=30001-30001msec