nbd_fio_randread_512_uncompressed_direct: (g=0): rw=randread, bs=(R) 512B-512B, (W) 512B-512B, (T) 512B-512B, ioengine=psync, iodepth=1
fio-3.15
Starting 1 process

nbd_fio_randread_512_uncompressed_direct: (groupid=0, jobs=1): err= 0: pid=1914: Fri Aug 30 10:38:00 2019
  read: IOPS=25.1k, BW=12.2MiB/s (12.8MB/s)(622MiB/50843msec)
    clat (usec): min=22, max=786, avg=38.39, stdev= 4.84
     lat (usec): min=22, max=787, avg=38.54, stdev= 4.86
    clat percentiles (usec):
     |  1.00th=[   28],  5.00th=[   35], 10.00th=[   36], 20.00th=[   36],
     | 30.00th=[   37], 40.00th=[   37], 50.00th=[   38], 60.00th=[   38],
     | 70.00th=[   40], 80.00th=[   41], 90.00th=[   44], 95.00th=[   48],
     | 99.00th=[   53], 99.50th=[   58], 99.90th=[   74], 99.95th=[   83],
     | 99.99th=[  117]
   bw (  KiB/s): min=10042, max=13427, per=100.00%, avg=12536.40, stdev=518.91, samples=101
   iops        : min=20084, max=26854, avg=25072.79, stdev=1037.81, samples=101
  lat (usec)   : 50=98.28%, 100=1.70%, 250=0.02%, 500=0.01%, 1000=0.01%
  cpu          : usr=7.12%, sys=15.80%, ctx=2338709, majf=0, minf=12
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 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=1273856,0,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1

Run status group 0 (all jobs):
   READ: bw=12.2MiB/s (12.8MB/s), 12.2MiB/s-12.2MiB/s (12.8MB/s-12.8MB/s), io=622MiB (652MB), run=50843-50843msec

Disk stats (read/write):
  nbd0: ios=1269140/0, merge=0/0, ticks=42248/0, in_queue=0, util=99.84%