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: [Fmm] [33.3% done] [   117/     0 kb/s] [eta 00m:06s]
Threads: 3: [Fmm] [33.3% done] [   154/     0 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [33.3% done] [   288/     0 kb/s] [eta 00m:10s]
Threads: 3: [Fmm] [33.3% done] [   325/     0 kb/s] [eta 00m:12s]
Threads: 3: [Fmm] [33.3% done] [   678/  1259 kb/s] [eta 00m:14s]
Threads: 3: [Fmm] [33.3% done] [   235/     0 kb/s] [eta 00m:16s]
Threads: 3: [Fmm] [34.6% done] [   507/     0 kb/s] [eta 00m:17s]
Threads: 3: [Fmm] [34.5% done] [  1158/  1316 kb/s] [eta 00m:19s]
Threads: 3: [VmF] [35.5% done] [   821/ 33471 kb/s] [eta 00m:20s]
Threads: 3: [VmF] [35.3% done] [   203/     0 kb/s] [eta 00m:22s]
Threads: 3: [VmV] [36.1% done] [ 10361/   288 kb/s] [eta 00m:23s]
Threads: 3: [VmV] [35.9% done] [ 25161/     0 kb/s] [eta 00m:25s]
Threads: 3: [VmV] [36.6% done] [ 31309/   784 kb/s] [eta 00m:26s]
Threads: 3: [VmV] [37.2% done] [ 27989/     0 kb/s] [eta 00m:27s]
Threads: 3: [VmV] [37.8% done] [ 37376/     0 kb/s] [eta 00m:28s]
Threads: 3: [VmV] [37.5% done] [ 33040/     0 kb/s] [eta 00m:30s]
Threads: 2: [VmE] [38.0% done] [ 31284/   178 kb/s] [eta 00m:31s]
Threads: 1: [_m_] [43.5% done] [ 12609/     0 kb/s] [eta 00m:26s]
Threads: 1: [_m_] [48.8% done] [  9216/     0 kb/s] [eta 00m:22s]
Threads: 1: [_m_] [55.0% done] [  8374/     0 kb/s] [eta 00m:18s]
Threads: 1: [_m_] [62.2% done] [  7728/  4018 kb/s] [eta 00m:14s]
Threads: 1: [_F_] [100.0% done] [     0/  7760 kb/s] [eta 00m:00s]
Threads: 1: [_V_] [78.1% done] [ 15055/     0 kb/s] [eta 00m:07s]
Threads: 1: [_V_] [92.9% done] [ 23844/     0 kb/s] [eta 00m:02s]
fio: (groupid=0): err= 0: pid=31773
  read : io=100MiB, bw=5,412KiB/s, runt= 19374msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 2221, avg=45.68, stdev=152.93
    bw (KiB/s) : min=    8, max=22826, per=89.90%, avg=10418.94, stdev=6539.32
  write: io=98,744KiB, bw=9,916KiB/s, runt= 10197msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  147, avg= 0.51, stdev= 5.62
    bw (KiB/s) : min=    0, max=137052, per=649.54%, avg=68526.00, stdev=96910.40
  cpu          : usr=3.90%, sys=2.68%, ctx=6687
  IO depths    : 1=0.8%, 2=51.2%, 4=33.6%, 8=14.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=50.3%, 4=4.1%, 10=12.2%, 20=17.1%, 50=6.6%, 100=1.0%
     lat (msec): 250=7.9%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.1%
fio: (groupid=0): err= 0: pid=31774
  read : io=100MiB, bw=3,864KiB/s, runt= 27137msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 4619, avg=101.86, stdev=365.17
    bw (KiB/s) : min=   11, max=24444, per=42.70%, avg=4949.38, stdev=7272.94
  write: io=56,164KiB, bw=2,358KiB/s, runt= 24384msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 3647, avg=37.61, stdev=234.12
    bw (KiB/s) : min=    0, max= 8577, per=11.00%, avg=1160.11, stdev=2790.36
  cpu          : usr=1.74%, sys=1.37%, ctx=9147
  IO depths    : 1=1.1%, 2=32.1%, 4=24.8%, 8=41.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=30.4%, 4=2.9%, 10=4.0%, 20=14.9%, 50=29.2%, 100=11.6%
     lat (msec): 250=2.6%, 500=0.7%, 750=0.8%, 1000=0.4%, >=2000=1.7%
fio: (groupid=0): err= 0: pid=31775
  read : io=100MiB, bw=5,510KiB/s, runt= 19025msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 3732, avg=67.98, stdev=275.31
    bw (KiB/s) : min=   11, max=23387, per=60.54%, avg=7016.56, stdev=8490.40
  write: io=96,320KiB, bw=7,898KiB/s, runt= 12488msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 1643, avg= 8.65, stdev=100.87
    bw (KiB/s) : min=    0, max=10035, per=24.95%, avg=2632.25, stdev=4938.93
  cpu          : usr=4.02%, sys=2.04%, ctx=6842
  IO depths    : 1=1.1%, 2=50.2%, 4=32.0%, 8=16.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=46.1%, 4=4.8%, 10=12.1%, 20=22.4%, 50=3.3%, 100=2.5%
     lat (msec): 250=7.1%, 500=0.3%, 750=0.0%, 1000=0.2%, >=2000=0.6%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=11,590KiB/s, minb=3,864KiB/s, maxb=5,510KiB/s, mint=19025msec, maxt=27137msec
  WRITE: io=245MiB, aggrb=10,550KiB/s, minb=2,358KiB/s, maxb=9,916KiB/s, mint=19025msec, maxt=27137msec

Disk stats (read/write):
  sda: ios=4009/2470, merge=1116/60310, ticks=80396/1543136, in_queue=1623532, util=97.53%
2.04user 1.35system 0:27.75elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2476minor)pagefaults 0swaps