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] [21.4% done] [  6412/ 74999 kb/s] [eta 00m:11s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=15071, got signal=6
Threads: 2: [_FF] [100.0% done] [   260/ 73398 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VV] [69.6% done] [  1308/     0 kb/s] [eta 00m:07s]
Threads: 2: [_VV] [70.8% done] [ 27274/     0 kb/s] [eta 00m:07s]
Threads: 2: [_VV] [85.7% done] [ 31023/     0 kb/s] [eta 00m:03s]
Threads: 2: [_VV] [95.0% done] [ 27765/     0 kb/s] [eta 00m:01s]
Threads: 2: [_VV] [100.0% done] [ 36685/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VV] [100.0% done] [ 31223/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [100.0% done] [ 33235/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=15071
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=89.2%, 4=3.9%, 8=6.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=89.7%, 4=1.6%, 10=0.5%, 20=0.1%, 50=0.4%, 100=2.0%
     lat (msec): 250=3.8%, 500=1.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15072
  read : io=100MiB, bw=4,741KiB/s, runt= 22113msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  407, avg=31.14, stdev=57.43
    bw (KiB/s) : min=    2, max=28029, per=141.40%, avg=13871.08, stdev=9429.30
  write: io=98MiB, bw=6,468KiB/s, runt= 15855msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  218, avg= 0.83, stdev= 9.76
    bw (KiB/s) : min=    0, max=129024, per=353.88%, avg=64512.00, stdev=91233.75
  cpu          : usr=3.55%, sys=1.81%, ctx=7559
  IO depths    : 1=1.2%, 2=52.5%, 4=31.9%, 8=14.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=48.4%, 4=5.5%, 10=12.0%, 20=21.3%, 50=5.4%, 100=1.6%
     lat (msec): 250=4.7%, 500=0.9%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15073
  read : io=100MiB, bw=4,684KiB/s, runt= 22385msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  747, avg=44.86, stdev=81.30
    bw (KiB/s) : min=    3, max=26954, per=111.03%, avg=10892.33, stdev=8580.79
  write: io=89,420KiB, bw=5,782KiB/s, runt= 15836msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  202, avg= 0.66, stdev= 8.17
    bw (KiB/s) : min=    0, max=135061, per=370.44%, avg=67530.50, stdev=95502.55
  cpu          : usr=3.09%, sys=1.68%, ctx=7641
  IO depths    : 1=0.7%, 2=50.7%, 4=30.6%, 8=18.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=48.6%, 4=3.4%, 10=10.1%, 20=21.2%, 50=6.4%, 100=2.0%
     lat (msec): 250=6.1%, 500=1.8%, 750=0.2%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=209MiB, aggrb=9,810KiB/s, minb=0KiB/s, maxb=4,741KiB/s, mint=22113msec, maxt=22385msec
  WRITE: io=276MiB, aggrb=18,230KiB/s, minb=0KiB/s, maxb=6,468KiB/s, mint=22113msec, maxt=22385msec

Disk stats (read/write):
  sda: ios=2394/2786, merge=1143/67443, ticks=48544/2089568, in_queue=2146828, util=99.10%
2.27user 1.10system 0:22.65elapsed 14%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2487minor)pagefaults 0swaps