fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [FFm] [5.2% done] [   196/     0 kb/s] [eta 00m:55s]
Threads: 3: [FFm] [6.7% done] [    80/     0 kb/s] [eta 00m:56s]
Threads: 3: [FFm] [8.3% done] [   108/     0 kb/s] [eta 00m:55s]
Threads: 3: [FFm] [10.0% done] [     0/     0 kb/s] [eta 00m:54s]
Threads: 3: [FFm] [11.7% done] [   132/     0 kb/s] [eta 00m:53s]
Threads: 3: [FFm] [13.3% done] [   264/     0 kb/s] [eta 00m:52s]
Threads: 3: [FFm] [15.0% done] [   108/     0 kb/s] [eta 00m:51s]
Threads: 3: [VFm] [16.7% done] [  2176/   232 kb/s] [eta 00m:50s]
Threads: 3: [VVm] [18.3% done] [ 25440/     0 kb/s] [eta 00m:49s]
Threads: 3: [VVm] [20.0% done] [ 32192/   288 kb/s] [eta 00m:48s]
Threads: 3: [VVm] [21.7% done] [ 27771/     0 kb/s] [eta 00m:47s]
Threads: 3: [VVm] [23.3% done] [ 28168/     0 kb/s] [eta 00m:46s]
Threads: 3: [VVm] [25.0% done] [ 39028/    88 kb/s] [eta 00m:45s]
Threads: 2: [V_m] [26.7% done] [ 34012/   460 kb/s] [eta 00m:44s]
Threads: 1: [__m] [42.5% done] [ 17196/ 46392 kb/s] [eta 00m:23s]
Threads: 1: [__m] [66.7% done] [  7068/ 27752 kb/s] [eta 00m:09s]
Threads: 1: [__F] [100.0% done] [     0/  3244 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [81.5% done] [ 19988/     0 kb/s] [eta 00m:05s]
Threads: 1: [__V] [100.0% done] [ 27700/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [100.0% done] [ 30096/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=10981
  read : io=100MiB, bw=6,214KiB/s, runt= 16872msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  614, avg=33.39, stdev=71.14
    bw (KiB/s) : min=    0, max=34003, per=100.70%, avg=12844.20, stdev=12016.99
  write: io=99MiB, bw=10,092KiB/s, runt= 10268msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  167, avg= 0.63, stdev= 7.16
    bw (KiB/s) : min=    0, max=55283, per=210.92%, avg=27641.50, stdev=39090.98
  cpu          : usr=4.86%, sys=2.04%, ctx=6109
  IO depths    : 1=1.2%, 2=55.4%, 4=32.0%, 8=11.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=50.1%, 4=0.5%, 10=22.5%, 20=16.2%, 50=4.2%, 100=1.2%
     lat (msec): 250=3.3%, 500=1.7%, 750=0.1%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=10982
  read : io=100MiB, bw=6,693KiB/s, runt= 15665msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  471, avg=29.09, stdev=51.88
    bw (KiB/s) : min=    8, max=30244, per=121.87%, avg=15544.92, stdev=9305.23
  write: io=96,416KiB, bw=9,548KiB/s, runt= 10340msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  202, avg= 0.64, stdev= 8.17
    bw (KiB/s) : min=    0, max=133369, per=508.85%, avg=66684.50, stdev=94306.12
  cpu          : usr=4.67%, sys=2.68%, ctx=5887
  IO depths    : 1=1.3%, 2=54.3%, 4=31.8%, 8=12.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.5%, 4=0.8%, 10=19.9%, 20=17.4%, 50=5.4%, 100=1.8%
     lat (msec): 250=4.4%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=10983
  read : io=100MiB, bw=4,251KiB/s, runt= 24662msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 6632, avg=84.17, stdev=447.29
    bw (KiB/s) : min=    9, max=32085, per=48.20%, avg=6147.27, stdev=10456.22
  write: io=78,456KiB, bw=3,724KiB/s, runt= 21572msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 5124, avg=13.83, stdev=178.53
    bw (KiB/s) : min=    0, max=33900, per=44.05%, avg=5772.33, stdev=13780.43
  cpu          : usr=2.45%, sys=1.35%, ctx=8233
  IO depths    : 1=1.0%, 2=48.9%, 4=29.2%, 8=20.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=45.1%, 4=1.6%, 10=13.3%, 20=23.0%, 50=8.4%, 100=3.9%
     lat (msec): 250=2.2%, 500=0.5%, 750=0.3%, 1000=0.4%, >=2000=0.7%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,755KiB/s, minb=4,251KiB/s, maxb=6,693KiB/s, mint=15665msec, maxt=24662msec
  WRITE: io=270MiB, aggrb=13,105KiB/s, minb=3,724KiB/s, maxb=10,092KiB/s, mint=15665msec, maxt=24662msec

Disk stats (read/write):
  sda: ios=3534/2141, merge=1316/66757, ticks=72216/1555104, in_queue=1627420, util=96.19%
2.19user 1.15system 0:25.08elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2470minor)pagefaults 0swaps