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: [FFm] [50.0% done] [  1936/ 79376 kb/s] [eta 00m:03s]
Threads: 3: [FFm] [50.0% done] [   668/     0 kb/s] [eta 00m:04s]
Threads: 3: [FFm] [71.4% done] [   656/ 23964 kb/s] [eta 00m:02s]
Threads: 3: [FFm] [66.7% done] [   532/     0 kb/s] [eta 00m:03s]
Threads: 3: [FFm] [63.6% done] [   468/     0 kb/s] [eta 00m:04s]
Threads: 3: [FFm] [66.7% done] [   452/   244 kb/s] [eta 00m:04s]
Threads: 3: [FFm] [69.2% done] [   500/     0 kb/s] [eta 00m:04s]
Threads: 3: [FFm] [66.7% done] [   496/     0 kb/s] [eta 00m:05s]
Threads: 3: [FFF] [100.0% done] [   348/  2748 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=25852, got signal=6
Threads: 2: [_VV] [69.6% done] [  1880/     0 kb/s] [eta 00m:07s]
Threads: 2: [_VV] [70.8% done] [ 24384/     0 kb/s] [eta 00m:07s]
Threads: 2: [_VV] [85.7% done] [ 28464/     0 kb/s] [eta 00m:03s]
Threads: 2: [_VV] [95.0% done] [ 31020/     0 kb/s] [eta 00m:01s]
Threads: 2: [_VV] [100.0% done] [ 36556/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VV] [100.0% done] [ 28355/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [100.0% done] [ 30664/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=25852
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.4%, 2=95.8%, 4=2.4%, 8=1.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=95.3%, 4=1.9%, 10=0.4%, 20=0.2%, 50=0.2%, 100=0.2%
     lat (msec): 250=0.5%, 500=0.7%, 750=0.1%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=25853
  read : io=100MiB, bw=4,733KiB/s, runt= 22154msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  391, avg=37.35, stdev=58.30
    bw (KiB/s) : min=    8, max=30898, per=129.80%, avg=12147.56, stdev=8703.85
  write: io=90,160KiB, bw=5,737KiB/s, runt= 16092msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  358, avg= 1.71, stdev=18.83
    bw (KiB/s) : min=    0, max=137379, per=280.03%, avg=50320.67, stdev=75700.00
  cpu          : usr=3.41%, sys=1.91%, ctx=4985
  IO depths    : 1=1.3%, 2=54.1%, 4=30.8%, 8=13.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=48.5%, 4=1.1%, 10=16.9%, 20=15.1%, 50=8.2%, 100=2.3%
     lat (msec): 250=6.9%, 500=0.9%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=25854
  read : io=100MiB, bw=4,630KiB/s, runt= 22645msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  795, avg=70.92, stdev=136.59
    bw (KiB/s) : min=   17, max=24982, per=58.91%, avg=5513.23, stdev=7774.96
  write: io=92,304KiB, bw=5,867KiB/s, runt= 16108msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  676, avg= 5.58, stdev=43.30
    bw (KiB/s) : min=    0, max=41568, per=57.25%, avg=10287.60, stdev=17716.15
  cpu          : usr=3.71%, sys=2.46%, ctx=5124
  IO depths    : 1=1.3%, 2=51.6%, 4=30.2%, 8=17.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=44.4%, 4=2.0%, 10=18.5%, 20=14.0%, 50=7.3%, 100=2.0%
     lat (msec): 250=5.8%, 500=4.0%, 750=1.7%, 1000=0.1%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=202MiB, aggrb=9,359KiB/s, minb=0KiB/s, maxb=4,733KiB/s, mint=22154msec, maxt=22645msec
  WRITE: io=276MiB, aggrb=17,970KiB/s, minb=0KiB/s, maxb=5,867KiB/s, mint=22154msec, maxt=22645msec

Disk stats (read/write):
  sda: ios=2452/2732, merge=864/67782, ticks=56868/2082352, in_queue=2141088, util=98.66%
2.47user 1.42system 0:22.96elapsed 16%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2481minor)pagefaults 0swaps