task1: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=8 fio-3.33 Starting 1 process task1: (groupid=0, jobs=1): err= 0: pid=8265: Sat Jul 20 21:17:55 2024 read: IOPS=36.1k, BW=141MiB/s (148MB/s)(4234MiB/30001msec) slat (nsec): min=1032, max=56268, avg=1931.98, stdev=360.81 clat (usec): min=56, max=1294, avg=219.23, stdev=67.30 lat (usec): min=58, max=1296, avg=221.16, stdev=67.28 clat percentiles (usec): | 1.00th=[ 99], 5.00th=[ 133], 10.00th=[ 149], 20.00th=[ 167], | 30.00th=[ 182], 40.00th=[ 196], 50.00th=[ 208], 60.00th=[ 223], | 70.00th=[ 241], 80.00th=[ 269], 90.00th=[ 310], 95.00th=[ 343], | 99.00th=[ 412], 99.50th=[ 449], 99.90th=[ 603], 99.95th=[ 717], | 99.99th=[ 1012] bw ( KiB/s): min=120720, max=163512, per=99.95%, avg=144444.88, stdev=7000.62, samples=59 iops : min=30180, max=40878, avg=36111.22, stdev=1750.15, samples=59 lat (usec) : 100=1.03%, 250=73.04%, 500=25.68%, 750=0.21%, 1000=0.03% lat (msec) : 2=0.01% cpu : usr=2.18%, sys=9.84%, ctx=587260, majf=0, minf=19 IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=100.0%, 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=0.1%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1083899,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=8 Run status group 0 (all jobs): READ: bw=141MiB/s (148MB/s), 141MiB/s-141MiB/s (148MB/s-148MB/s), io=4234MiB (4440MB), run=30001-30001msec