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] [7.0% done] [  9972/ 42992 kb/s] [eta 00m:40s]
Threads: 3: [mmm] [10.5% done] [ 10388/ 18824 kb/s] [eta 00m:34s]
Threads: 3: [FFm] [38.5% done] [  7551/105863 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [60.0% done] [  1124/ 25656 kb/s] [eta 00m:04s]
Threads: 3: [FFm] [58.3% done] [   935/     0 kb/s] [eta 00m:05s]
Threads: 3: [FFm] [57.1% done] [   447/     0 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [   292/ 15754 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]
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.
Threads: 3: [VVV] [66.7% done] [   589/     0 kb/s] [eta 00m:08s]
fio: pid=11334, got signal=6
Threads: 2: [V_V] [73.9% done] [ 19025/     0 kb/s] [eta 00m:06s]
Threads: 2: [V_V] [81.8% done] [ 25539/     0 kb/s] [eta 00m:04s]
Threads: 2: [V_V] [90.5% done] [ 31443/     0 kb/s] [eta 00m:02s]
Threads: 2: [V_V] [100.0% done] [ 32406/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 31077/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 18899/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=11333
  read : io=100MiB, bw=4,617KiB/s, runt= 22705msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  647, avg=48.63, stdev=82.46
    bw (KiB/s) : min=    0, max=20635, per=89.23%, avg=8811.24, stdev=6402.32
  write: io=85,680KiB, bw=5,479KiB/s, runt= 16012msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  538, avg= 2.12, stdev=28.78
    bw (KiB/s) : min=    0, max=132620, per=272.01%, avg=44277.00, stdev=76507.35
  cpu          : usr=2.92%, sys=1.71%, ctx=7700
  IO depths    : 1=1.0%, 2=52.2%, 4=30.4%, 8=16.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=48.3%, 4=2.4%, 10=15.7%, 20=17.2%, 50=4.5%, 100=1.1%
     lat (msec): 250=8.4%, 500=2.1%, 750=0.2%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=11334
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=79.4%, 4=5.1%, 8=15.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=79.5%, 4=0.5%, 10=0.0%, 20=1.3%, 50=6.3%, 100=4.5%
     lat (msec): 250=5.3%, 500=2.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=11335
  read : io=100MiB, bw=4,644KiB/s, runt= 22577msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  695, avg=67.72, stdev=108.87
    bw (KiB/s) : min=    1, max=20037, per=68.68%, avg=6782.54, stdev=6158.89
  write: io=80,648KiB, bw=5,158KiB/s, runt= 16008msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  352, avg= 3.14, stdev=23.05
    bw (KiB/s) : min=    0, max=23881, per=67.78%, avg=11034.00, stdev=12043.29
  cpu          : usr=2.75%, sys=2.11%, ctx=7598
  IO depths    : 1=0.6%, 2=47.8%, 4=29.8%, 8=21.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=45.3%, 4=1.7%, 10=8.7%, 20=21.8%, 50=5.1%, 100=3.4%
     lat (msec): 250=10.1%, 500=2.8%, 750=0.9%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=214MiB, aggrb=9,875KiB/s, minb=0KiB/s, maxb=4,644KiB/s, mint=22577msec, maxt=22705msec
  WRITE: io=249MiB, aggrb=16,278KiB/s, minb=0KiB/s, maxb=5,479KiB/s, mint=22577msec, maxt=22705msec

Disk stats (read/write):
  sda: ios=2999/1815, merge=1123/61760, ticks=63124/1602600, in_queue=1667256, util=99.06%
2.01user 1.24system 0:22.96elapsed 14%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2480minor)pagefaults 0swaps