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: [mFm] [10.7% done] [  2256/     0 kb/s] [eta 00m:25s]
Threads: 3: [mFm] [11.4% done] [  2292/     0 kb/s] [eta 00m:31s]
Threads: 3: [mFm] [12.5% done] [  2576/     0 kb/s] [eta 00m:35s]
Threads: 3: [mFm] [13.3% done] [  2440/     0 kb/s] [eta 00m:39s]
Threads: 3: [mFm] [14.0% done] [  2440/   600 kb/s] [eta 00m:43s]
Threads: 3: [mFm] [15.1% done] [  2232/   676 kb/s] [eta 00m:45s]
Threads: 3: [mVm] [30.0% done] [  9868/ 69372 kb/s] [eta 00m:21s]
Threads: 3: [mVF] [30.3% done] [ 24320/  8952 kb/s] [eta 00m:23s]
Threads: 3: [mVF] [57.9% done] [ 22880/ 40416 kb/s] [eta 00m:08s]
Threads: 3: [mVF] [60.0% done] [ 20151/  4292 kb/s] [eta 00m:08s]
Threads: 3: [mVF] [61.9% done] [ 18708/     0 kb/s] [eta 00m:08s]
Threads: 2: [F_F] [100.0% done] [  7619/ 10310 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [71.4% done] [ 13224/     0 kb/s] [eta 00m:08s]
Threads: 2: [V_V] [80.8% done] [ 28412/     0 kb/s] [eta 00m:05s]
Threads: 2: [V_V] [88.0% done] [ 27708/     0 kb/s] [eta 00m:03s]
Threads: 2: [V_V] [100.0% done] [ 36832/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 35568/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [100.0% done] [ 28408/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=5145
  read : io=100MiB, bw=4,160KiB/s, runt= 25205msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 1559, avg=82.90, stdev=203.27
    bw (KiB/s) : min=   15, max=20845, per=42.28%, avg=5165.31, stdev=7059.23
  write: io=87,100KiB, bw=4,559KiB/s, runt= 19560msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 1199, avg= 7.98, stdev=65.60
    bw (KiB/s) : min=    0, max=22510, per=55.79%, avg=7940.00, stdev=10508.62
  cpu          : usr=2.76%, sys=1.60%, ctx=5614
  IO depths    : 1=2.0%, 2=51.5%, 4=30.6%, 8=15.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=45.4%, 4=0.8%, 10=21.5%, 20=14.8%, 50=4.5%, 100=0.8%
     lat (msec): 250=7.2%, 500=1.8%, 750=1.4%, 1000=1.0%, >=2000=0.7%
fio: (groupid=0): err= 0: pid=5146
  read : io=100MiB, bw=7,655KiB/s, runt= 13697msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  366, avg=25.52, stdev=42.86
    bw (KiB/s) : min=   30, max=26162, per=146.62%, avg=17911.64, stdev=9481.24
  write: io=99,480KiB, bw=11,513KiB/s, runt=  8848msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  319, avg= 1.10, stdev=14.01
    bw (KiB/s) : min=    0, max=134520, per=472.60%, avg=67260.00, stdev=95120.00
  cpu          : usr=5.49%, sys=2.77%, ctx=3936
  IO depths    : 1=1.5%, 2=55.2%, 4=32.1%, 8=11.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.6%, 4=1.3%, 10=19.9%, 20=15.4%, 50=6.4%, 100=4.8%
     lat (msec): 250=1.9%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5147
  read : io=100MiB, bw=4,068KiB/s, runt= 25738msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 1223, avg=67.96, stdev=159.59
    bw (KiB/s) : min=   15, max=20284, per=54.19%, avg=6620.19, stdev=6750.14
  write: io=85,288KiB, bw=4,464KiB/s, runt= 19560msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  886, avg= 4.73, stdev=47.06
    bw (KiB/s) : min=    0, max=127590, per=228.35%, avg=32499.25, stdev=63396.50
  cpu          : usr=2.77%, sys=1.35%, ctx=5946
  IO depths    : 1=1.2%, 2=53.5%, 4=29.9%, 8=15.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=47.3%, 4=0.5%, 10=17.7%, 20=15.9%, 50=5.9%, 100=1.0%
     lat (msec): 250=7.7%, 500=1.9%, 750=0.7%, 1000=0.8%, >=2000=0.3%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,216KiB/s, minb=4,068KiB/s, maxb=7,655KiB/s, mint=13697msec, maxt=25738msec
  WRITE: io=265MiB, aggrb=14,232KiB/s, minb=4,464KiB/s, maxb=11,513KiB/s, mint=13697msec, maxt=25738msec

Disk stats (read/write):
  sda: ios=3500/2107, merge=1254/65629, ticks=78316/2310656, in_queue=2393596, util=98.58%
2.20user 1.17system 0:26.19elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2472minor)pagefaults 0swaps