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] [10.3% done] [  8300/     0 kb/s] [eta 00m:26s]
Threads: 3: [mFm] [36.4% done] [  6021/ 35598 kb/s] [eta 00m:07s]
Threads: 3: [mFF] [50.0% done] [  1852/ 22932 kb/s] [eta 00m:05s]
Threads: 3: [mFF] [50.0% done] [  1308/     0 kb/s] [eta 00m:06s]
Threads: 3: [mFF] [70.0% done] [   800/ 24760 kb/s] [eta 00m:03s]
Threads: 3: [mFF] [66.7% done] [   612/     0 kb/s] [eta 00m:04s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=12557, got signal=6
Threads: 2: [_FF] [100.0% done] [   760/     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] [68.0% done] [ 19304/     0 kb/s] [eta 00m:08s]
Threads: 2: [_VV] [81.8% done] [ 29912/     0 kb/s] [eta 00m:04s]
Threads: 2: [_VV] [90.5% done] [ 25796/     0 kb/s] [eta 00m:02s]
Threads: 2: [_VV] [100.0% done] [ 35260/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VV] [100.0% done] [ 28720/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VV] [100.0% done] [ 35860/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=12557
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.4%, 2=79.2%, 4=4.7%, 8=15.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=79.9%, 4=0.6%, 10=0.4%, 20=0.1%, 50=0.3%, 100=2.6%
     lat (msec): 250=9.2%, 500=6.4%, 750=0.4%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12558
  read : io=100MiB, bw=4,622KiB/s, runt= 22686msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  367, avg=31.20, stdev=52.51
    bw (KiB/s) : min=   11, max=28273, per=139.42%, avg=14144.54, stdev=8354.28
  write: io=99,072KiB, bw=6,155KiB/s, runt= 16480msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  191, avg= 0.69, stdev= 8.34
    bw (KiB/s) : min=    0, max=122036, per=366.87%, avg=61018.00, stdev=86292.48
  cpu          : usr=3.60%, sys=1.83%, ctx=5030
  IO depths    : 1=1.3%, 2=55.1%, 4=32.4%, 8=11.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.7%, 4=1.2%, 10=19.6%, 20=15.8%, 50=6.1%, 100=1.3%
     lat (msec): 250=5.7%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12559
  read : io=100MiB, bw=4,539KiB/s, runt= 23097msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  599, avg=45.81, stdev=69.78
    bw (KiB/s) : min=    5, max=28769, per=91.41%, avg=9273.52, stdev=8679.95
  write: io=90,252KiB, bw=5,610KiB/s, runt= 16472msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  191, avg= 1.94, stdev=14.47
    bw (KiB/s) : min=    0, max=42926, per=118.07%, avg=19636.67, stdev=21694.86
  cpu          : usr=3.00%, sys=1.78%, ctx=5178
  IO depths    : 1=1.1%, 2=48.4%, 4=33.2%, 8=17.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=43.5%, 4=1.7%, 10=15.0%, 20=14.4%, 50=11.4%, 100=5.4%
     lat (msec): 250=7.1%, 500=1.3%, 750=0.1%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=223MiB, aggrb=10,145KiB/s, minb=0KiB/s, maxb=4,622KiB/s, mint=22686msec, maxt=23097msec
  WRITE: io=261MiB, aggrb=16,632KiB/s, minb=0KiB/s, maxb=6,155KiB/s, mint=22686msec, maxt=23097msec

Disk stats (read/write):
  sda: ios=2812/2364, merge=966/64347, ticks=50500/2023344, in_queue=2077400, util=98.46%
2.17user 1.08system 0:23.62elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2474minor)pagefaults 0swaps