task1: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=4 fio-3.33 Starting 1 process task1: (groupid=0, jobs=1): err= 0: pid=8173: Sat Jul 20 21:16:54 2024 read: IOPS=29.8k, BW=116MiB/s (122MB/s)(3490MiB/30001msec) slat (nsec): min=1060, max=57981, avg=1933.76, stdev=229.23 clat (usec): min=54, max=1601, avg=132.09, stdev=42.88 lat (usec): min=56, max=1603, avg=134.02, stdev=42.86 clat percentiles (usec): | 1.00th=[ 77], 5.00th=[ 88], 10.00th=[ 95], 20.00th=[ 103], | 30.00th=[ 110], 40.00th=[ 115], 50.00th=[ 121], 60.00th=[ 128], | 70.00th=[ 137], 80.00th=[ 153], 90.00th=[ 194], 95.00th=[ 223], | 99.00th=[ 273], 99.50th=[ 293], 99.90th=[ 363], 99.95th=[ 449], | 99.99th=[ 742] bw ( KiB/s): min=110568, max=129520, per=100.00%, avg=119125.83, stdev=3945.12, samples=59 iops : min=27642, max=32380, avg=29781.46, stdev=986.26, samples=59 lat (usec) : 100=16.05%, 250=81.80%, 500=2.11%, 750=0.03%, 1000=0.01% lat (msec) : 2=0.01% cpu : usr=2.80%, sys=8.36%, ctx=766110, majf=0, minf=15 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=893362,0,0,0 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=116MiB/s (122MB/s), 116MiB/s-116MiB/s (122MB/s-122MB/s), io=3490MiB (3659MB), run=30001-30001msec