nbd_fio_randread_4k_uncompressed_direct: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=1
fio-3.15
Starting 1 process

nbd_fio_randread_4k_uncompressed_direct: (groupid=0, jobs=1): err= 0: pid=1896: Fri Aug 30 10:35:54 2019
  read: IOPS=22.4k, BW=87.4MiB/s (91.6MB/s)(622MiB/7118msec)
    clat (usec): min=25, max=328, avg=43.13, stdev= 5.70
     lat (usec): min=25, max=329, avg=43.27, stdev= 5.70
    clat percentiles (usec):
     |  1.00th=[   30],  5.00th=[   38], 10.00th=[   38], 20.00th=[   40],
     | 30.00th=[   41], 40.00th=[   42], 50.00th=[   43], 60.00th=[   44],
     | 70.00th=[   45], 80.00th=[   46], 90.00th=[   50], 95.00th=[   52],
     | 99.00th=[   59], 99.50th=[   66], 99.90th=[   96], 99.95th=[  100],
     | 99.99th=[  139]
   bw (  KiB/s): min=85944, max=93860, per=100.00%, avg=89514.57, stdev=2115.75, samples=14
   iops        : min=21486, max=23465, avg=22378.64, stdev=528.94, samples=14
  lat (usec)   : 50=89.74%, 100=10.21%, 250=0.05%, 500=0.01%
  cpu          : usr=6.74%, sys=14.02%, ctx=296527, majf=0, minf=10
  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=159232,0,0,0 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=87.4MiB/s (91.6MB/s), 87.4MiB/s-87.4MiB/s (91.6MB/s-91.6MB/s), io=622MiB (652MB), run=7118-7118msec

Disk stats (read/write):
  nbd0: ios=154281/0, merge=0/0, ticks=5859/0, in_queue=0, util=98.61%