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
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=26902, got signal=6
Threads: 2: [F_m] [37.5% done] [  1684/ 51548 kb/s] [eta 00m:05s]
Threads: 2: [F_m] [36.4% done] [  1364/     0 kb/s] [eta 00m:07s]
Threads: 2: [F_F] [100.0% done] [  1100/ 47252 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: [V_F] [68.8% done] [  1391/     0 kb/s] [eta 00m:05s]
Threads: 2: [V_F] [80.0% done] [ 18093/     0 kb/s] [eta 00m:03s]
Threads: 2: [V_F] [92.9% done] [ 15252/     0 kb/s] [eta 00m:01s]
Threads: 2: [V_F] [100.0% done] [ 19200/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_F] [100.0% done] [  8306/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_F] [100.0% done] [ 14930/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_F] [100.0% done] [  9932/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_F] [100.0% done] [ 10417/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [  3339/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [70.0% done] [  1843/     0 kb/s] [eta 00m:09s]
Threads: 1: [__V] [91.7% done] [ 30668/     0 kb/s] [eta 00m:02s]
Threads: 1: [__V] [100.0% done] [ 36107/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=26901
  read : io=100MiB, bw=5,480KiB/s, runt= 19129msec
    clat (msec): min=    0, max=  266, avg=36.16, stdev=39.75
    bw (KiB/s) : min=    8, max=21577, per=140.65%, avg=12536.38, stdev=5815.96
  write: io=100MiB, bw=9,463KiB/s, runt= 11080msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   22, avg= 0.26, stdev= 1.17
    bw (KiB/s) : min=    0, max=125550, per=458.11%, avg=62775.00, stdev=88777.26
  cpu          : usr=4.35%, sys=1.90%, ctx=6357
  IO depths    : 1=2.4%, 2=57.5%, 4=30.0%, 8=10.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=50.5%, 4=0.3%, 10=11.1%, 20=14.5%, 50=10.7%, 100=8.1%
     lat (msec): 250=4.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=26902
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=93.7%, 4=1.8%, 8=4.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=93.9%, 4=0.7%, 10=0.1%, 20=0.0%, 50=0.1%, 100=0.4%
     lat (msec): 250=3.7%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=26903
  read : io=100MiB, bw=4,275KiB/s, runt= 24525msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  681, avg=32.67, stdev=76.70
    bw (KiB/s) : min=    6, max=37240, per=148.80%, avg=13262.27, stdev=14797.12
  write: io=89,656KiB, bw=4,299KiB/s, runt= 21352msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  364, avg= 1.42, stdev=15.97
    bw (KiB/s) : min=    0, max=10915, per=39.83%, avg=5457.50, stdev=7718.07
  cpu          : usr=3.00%, sys=1.50%, ctx=6559
  IO depths    : 1=3.2%, 2=57.7%, 4=27.2%, 8=11.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.3%, 4=0.2%, 10=15.5%, 20=21.7%, 50=7.0%, 100=1.5%
     lat (msec): 250=2.8%, 500=1.4%, 750=0.3%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=208MiB, aggrb=8,913KiB/s, minb=0KiB/s, maxb=5,480KiB/s, mint=24525msec, maxt=24525msec
  WRITE: io=279MiB, aggrb=13,703KiB/s, minb=0KiB/s, maxb=9,463KiB/s, mint=24525msec, maxt=24525msec

Disk stats (read/write):
  sda: ios=2357/3123, merge=666/67960, ticks=37072/2858604, in_queue=2902680, util=96.84%
2.40user 0.96system 0:24.90elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2484minor)pagefaults 0swaps