fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmm] [9.7% done] [  4912/ 10272 kb/s] [eta 00m:28s]
Threads: 3: [mmm] [12.5% done] [  9228/  5420 kb/s] [eta 00m:28s]
Threads: 3: [mmm] [15.6% done] [ 10768/  5824 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [16.7% done] [  9284/  4148 kb/s] [eta 00m:30s]
Threads: 3: [mmm] [20.0% done] [ 11160/  2852 kb/s] [eta 00m:28s]
Threads: 3: [mmm] [22.2% done] [  4488/  8256 kb/s] [eta 00m:28s]
Threads: 3: [mmm] [23.7% done] [  5916/  6600 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [26.3% done] [  4196/  8032 kb/s] [eta 00m:28s]
Threads: 3: [mmm] [28.9% done] [  7760/  3788 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [30.8% done] [  8712/  3864 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [35.1% done] [  2132/ 10508 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [36.8% done] [  8020/  3080 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [39.5% done] [  4412/  7392 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [41.0% done] [  4044/  6064 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [42.5% done] [  5720/  4016 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [43.9% done] [  2884/  6860 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [46.3% done] [  2964/  8104 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [46.5% done] [  2896/  6292 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [48.8% done] [  4592/  3656 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [51.2% done] [  3436/  4904 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [52.3% done] [  3876/  3308 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [57.1% done] [  2376/  6780 kb/s] [eta 00m:18s]
Threads: 3: [mVm] [56.8% done] [ 11516/   980 kb/s] [eta 00m:19s]
Threads: 3: [mVm] [57.8% done] [ 10276/  1588 kb/s] [eta 00m:19s]
Threads: 3: [mVm] [58.7% done] [ 15200/    64 kb/s] [eta 00m:19s]
Threads: 2: [m_m] [59.6% done] [ 10260/     0 kb/s] [eta 00m:19s]
Threads: 2: [m_V] [61.7% done] [  5912/  1976 kb/s] [eta 00m:18s]
Threads: 2: [m_V] [62.5% done] [ 21716/     0 kb/s] [eta 00m:18s]
Threads: 2: [m_V] [62.0% done] [ 22144/     0 kb/s] [eta 00m:19s]
Threads: 1: [m__] [64.0% done] [ 13844/     0 kb/s] [eta 00m:18s]
Threads: 1: [V__] [70.8% done] [  9828/     0 kb/s] [eta 00m:14s]
Threads: 1: [V__] [81.4% done] [ 16096/     0 kb/s] [eta 00m:08s]
Threads: 1: [V__] [92.3% done] [ 18028/     0 kb/s] [eta 00m:03s]
fio: (groupid=0): err= 0: pid=14903
  read : io=100MiB, bw=2,900KiB/s, runt= 36157msec
    clat (msec): min=    0, max=  296, avg=14.17, stdev=25.02
    bw (KiB/s) : min=    2, max=19610, per=39.59%, avg=3444.02, stdev=4432.21
  write: io=42,876KiB, bw=1,308KiB/s, runt= 33558msec
    clat (msec): min=    0, max=  604, avg=15.40, stdev=47.27
    bw (KiB/s) : min=    0, max= 6886, per=54.97%, avg=2405.28, stdev=2525.34
  cpu          : usr=2.60%, sys=0.18%, ctx=2354
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=40.2%, 4=9.4%, 10=19.3%, 20=12.0%, 50=11.4%, 100=4.6%
     lat (msec): 250=2.8%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14904
  read : io=100MiB, bw=3,719KiB/s, runt= 28195msec
    clat (msec): min=    0, max=  122, avg=10.13, stdev=12.61
    bw (KiB/s) : min=    8, max=18268, per=52.46%, avg=4563.80, stdev=4244.77
  write: io=41,984KiB, bw=1,799KiB/s, runt= 23896msec
    clat (msec): min=    0, max=  473, avg=11.47, stdev=29.87
    bw (KiB/s) : min=    0, max= 8630, per=64.99%, avg=2844.00, stdev=2704.97
  cpu          : usr=3.33%, sys=0.31%, ctx=2403
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=38.3%, 4=6.0%, 10=21.1%, 20=18.6%, 50=12.6%, 100=2.7%
     lat (msec): 250=0.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14905
  read : io=100MiB, bw=3,221KiB/s, runt= 32545msec
    clat (msec): min=    0, max=  150, avg= 9.67, stdev=16.53
    bw (KiB/s) : min=    5, max=23216, per=48.20%, avg=4193.10, stdev=6258.29
  write: io=58,580KiB, bw=2,075KiB/s, runt= 28902msec
    clat (msec): min=    0, max=  281, avg=14.53, stdev=30.54
    bw (KiB/s) : min=    0, max= 7020, per=62.33%, avg=2727.45, stdev=2377.96
  cpu          : usr=3.10%, sys=0.38%, ctx=2660
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=46.1%, 4=6.9%, 10=17.1%, 20=12.5%, 50=11.8%, 100=3.7%
     lat (msec): 250=1.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=8,700KiB/s, minb=2,900KiB/s, maxb=3,719KiB/s, mint=28195msec, maxt=36157msec
  WRITE: io=140MiB, aggrb=4,376KiB/s, minb=1,308KiB/s, maxb=2,075KiB/s, mint=28195msec, maxt=36157msec

Disk stats (read/write):
  sda: ios=5591/2988, merge=902/248, ticks=71004/49352, in_queue=120356, util=98.67%
2.89user 0.43system 0:36.56elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+1082minor)pagefaults 0swaps