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: [mmF] [5.0% done] [    60/     0 kb/s] [eta 00m:57s]
Threads: 3: [mmF] [6.7% done] [   196/     0 kb/s] [eta 00m:56s]
Threads: 3: [mmV] [8.3% done] [  2196/   160 kb/s] [eta 00m:55s]
Threads: 3: [mmV] [10.0% done] [ 24696/   724 kb/s] [eta 00m:54s]
Threads: 3: [mmV] [11.7% done] [ 21488/     0 kb/s] [eta 00m:53s]
Threads: 3: [mmV] [13.3% done] [ 28248/  1824 kb/s] [eta 00m:52s]
Threads: 3: [mmV] [15.0% done] [ 27288/     0 kb/s] [eta 00m:51s]
Threads: 2: [mm_] [16.7% done] [ 11364/ 24963 kb/s] [eta 00m:50s]
Threads: 2: [Fm_] [18.3% done] [  5254/ 65427 kb/s] [eta 00m:49s]
Threads: 2: [Fm_] [20.0% done] [   132/     0 kb/s] [eta 00m:48s]
Threads: 2: [Fm_] [21.7% done] [   116/     0 kb/s] [eta 00m:47s]
Threads: 2: [Vm_] [23.3% done] [ 16077/     0 kb/s] [eta 00m:46s]
Threads: 2: [Vm_] [25.0% done] [ 28655/     0 kb/s] [eta 00m:45s]
Threads: 2: [Vm_] [26.7% done] [ 32889/     0 kb/s] [eta 00m:44s]
Threads: 1: [_m_] [28.3% done] [ 24088/   369 kb/s] [eta 00m:43s]
Threads: 1: [_m_] [48.6% done] [  7395/ 39468 kb/s] [eta 00m:19s]
Threads: 1: [_F_] [100.0% done] [     0/ 28208 kb/s] [eta 00m:00s]
Threads: 1: [_F_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [_V_] [67.7% done] [     0/     0 kb/s] [eta 00m:10s]
Threads: 1: [_V_] [81.5% done] [ 22528/     0 kb/s] [eta 00m:05s]
Threads: 1: [_V_] [100.0% done] [ 25895/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=4463
  read : io=100MiB, bw=6,139KiB/s, runt= 17076msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 4582, avg=56.67, stdev=314.26
    bw (KiB/s) : min=    1, max=33592, per=71.09%, avg=9202.10, stdev=12922.80
  write: io=92,364KiB, bw=6,915KiB/s, runt= 13676msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 1179, avg= 5.69, stdev=67.11
    bw (KiB/s) : min=    0, max=141516, per=286.40%, avg=35642.00, stdev=70583.19
  cpu          : usr=3.91%, sys=2.69%, ctx=6031
  IO depths    : 1=0.9%, 2=52.7%, 4=31.8%, 8=14.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.4%, 4=1.8%, 10=15.4%, 20=18.5%, 50=10.5%, 100=1.3%
     lat (msec): 250=1.1%, 500=0.5%, 750=0.3%, 1000=0.2%, >=2000=0.5%
fio: (groupid=0): err= 0: pid=4464
  read : io=100MiB, bw=4,315KiB/s, runt= 24297msec
    slat (msec): min=    0, max=    2, avg= 0.01, stdev= 0.11
    clat (msec): min=    0, max= 3927, avg=87.08, stdev=318.82
    bw (KiB/s) : min=    2, max=26861, per=41.45%, avg=5365.21, stdev=8348.46
  write: io=67,588KiB, bw=3,245KiB/s, runt= 21328msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 2959, avg= 7.41, stdev=109.07
    bw (KiB/s) : min=    0, max=125493, per=202.58%, avg=25210.60, stdev=56059.79
  cpu          : usr=2.27%, sys=1.60%, ctx=8436
  IO depths    : 1=0.7%, 2=48.0%, 4=28.0%, 8=23.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=45.0%, 4=2.5%, 10=11.9%, 20=22.6%, 50=6.6%, 100=5.4%
     lat (msec): 250=2.2%, 500=0.9%, 750=0.4%, 1000=0.8%, >=2000=1.0%
fio: (groupid=0): err= 0: pid=4465
  read : io=100MiB, bw=11,095KiB/s, runt=  9449msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  286, avg=23.14, stdev=30.96
    bw (KiB/s) : min=   47, max=29097, per=144.27%, avg=18676.00, stdev=10165.79
  write: io=99,268KiB, bw=20,543KiB/s, runt=  4948msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  207, avg= 0.55, stdev= 7.38
    bw (KiB/s) : min=    0, max=138788, per=557.61%, avg=69394.00, stdev=98137.94
  cpu          : usr=7.79%, sys=4.28%, ctx=4081
  IO depths    : 1=1.1%, 2=53.5%, 4=31.7%, 8=13.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.5%, 4=0.6%, 10=14.7%, 20=17.5%, 50=13.4%, 100=2.4%
     lat (msec): 250=1.5%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,945KiB/s, minb=4,315KiB/s, maxb=11,095KiB/s, mint=9449msec, maxt=24297msec
  WRITE: io=253MiB, aggrb=12,445KiB/s, minb=3,245KiB/s, maxb=20,543KiB/s, mint=9449msec, maxt=24297msec

Disk stats (read/write):
  sda: ios=3760/1439, merge=1498/63426, ticks=61468/1035240, in_queue=1096708, util=96.43%
2.00user 1.30system 0:24.67elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2477minor)pagefaults 0swaps