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: [mmm] [42.9% done] [  7489/ 90739 kb/s] [eta 00m:04s]
Threads: 3: [FmF] [57.1% done] [  4334/ 65365 kb/s] [eta 00m:03s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=1712, got signal=6
Threads: 2: [F_F] [100.0% done] [   173/ 24871 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: [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: [F_V] [69.6% done] [   263/     0 kb/s] [eta 00m:07s]
Threads: 2: [V_V] [68.0% done] [ 17538/     0 kb/s] [eta 00m:08s]
Threads: 2: [V_V] [75.0% done] [ 27616/     0 kb/s] [eta 00m:06s]
Threads: 2: [V_V] [82.6% done] [ 30024/     0 kb/s] [eta 00m:04s]
Threads: 2: [V_V] [95.2% done] [ 36899/     0 kb/s] [eta 00m:01s]
Threads: 2: [V_V] [100.0% done] [ 34008/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [100.0% done] [ 29822/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=1711
  read : io=100MiB, bw=4,549KiB/s, runt= 23047msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  498, avg=40.61, stdev=74.03
    bw (KiB/s) : min=    1, max=29377, per=104.08%, avg=10108.89, stdev=9616.77
  write: io=93,184KiB, bw=5,590KiB/s, runt= 17068msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  198, avg= 1.26, stdev=10.14
    bw (KiB/s) : min=    0, max=36336, per=123.73%, avg=20283.00, stdev=18533.64
  cpu          : usr=3.40%, sys=1.48%, ctx=5265
  IO depths    : 1=3.0%, 2=55.9%, 4=29.7%, 8=11.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=48.3%, 4=0.6%, 10=15.8%, 20=19.7%, 50=5.7%, 100=2.3%
     lat (msec): 250=5.8%, 500=1.7%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=1712
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.3%, 2=86.4%, 4=4.5%, 8=8.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=80.9%, 4=6.6%, 10=0.3%, 20=0.6%, 50=1.3%, 100=2.2%
     lat (msec): 250=7.0%, 500=0.9%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=1713
  read : io=100MiB, bw=4,638KiB/s, runt= 22607msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  366, avg=38.21, stdev=59.89
    bw (KiB/s) : min=   12, max=24366, per=115.97%, avg=11264.29, stdev=7782.13
  write: io=91,556KiB, bw=5,704KiB/s, runt= 16436msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  160, avg= 2.94, stdev=10.15
    bw (KiB/s) : min=    0, max=68689, per=167.56%, avg=27468.67, stdev=36350.73
  cpu          : usr=4.07%, sys=1.66%, ctx=4980
  IO depths    : 1=3.2%, 2=50.0%, 4=34.2%, 8=12.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=40.3%, 4=1.1%, 10=17.5%, 20=22.4%, 50=8.0%, 100=2.8%
     lat (msec): 250=6.8%, 500=1.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=213MiB, aggrb=9,713KiB/s, minb=0KiB/s, maxb=4,638KiB/s, mint=22607msec, maxt=23047msec
  WRITE: io=267MiB, aggrb=16,393KiB/s, minb=0KiB/s, maxb=5,704KiB/s, mint=22607msec, maxt=23047msec

Disk stats (read/write):
  sda: ios=2441/2805, merge=876/65394, ticks=39952/2017232, in_queue=2081040, util=97.27%
2.68user 1.02system 0:23.46elapsed 15%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2482minor)pagefaults 0swaps