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] [8.8% done] [  2796/ 10268 kb/s] [eta 00m:31s]
Threads: 3: [mmm] [11.8% done] [  4912/  7976 kb/s] [eta 00m:30s]
Threads: 3: [mmm] [13.9% done] [  6989/  5382 kb/s] [eta 00m:31s]
Threads: 3: [mmm] [17.1% done] [  8471/  4519 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [19.4% done] [  8988/  2420 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [21.6% done] [  9804/   856 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [24.3% done] [  8780/  2612 kb/s] [eta 00m:28s]
Threads: 3: [mmm] [26.3% done] [  6092/  3916 kb/s] [eta 00m:28s]
Threads: 3: [mmm] [28.9% done] [  6476/  4568 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [30.8% done] [  4992/  5384 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [33.3% done] [  6460/  4612 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [35.0% done] [  6766/  1477 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [37.5% done] [  5940/  3056 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [39.0% done] [  8280/  1781 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [41.5% done] [  6124/  3092 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [43.9% done] [  5632/  3300 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [45.2% done] [  7180/  2000 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [47.6% done] [  5052/  1864 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [50.0% done] [  3692/  4740 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [51.2% done] [  1095/  7108 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [52.3% done] [  1688/  5072 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [54.5% done] [  4380/  2844 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [55.6% done] [  2096/  4180 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [56.5% done] [  7476/   644 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [56.2% done] [  3960/  3232 kb/s] [eta 00m:21s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 3: [mmm] [57.1% done] [  5608/  1248 kb/s] [eta 00m:21s]
Threads: 3: [mVm] [60.4% done] [ 10314/   565 kb/s] [eta 00m:21s]
fio: pid=9950, got signal=6
Threads: 2: [_Vm] [60.0% done] [ 15448/   219 kb/s] [eta 00m:22s]
Threads: 1: [__m] [65.4% done] [  7895/     0 kb/s] [eta 00m:18s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 1: [__m] [67.3% done] [  2025/  1465 kb/s] [eta 00m:17s]
Threads: 1: [__m] [67.3% done] [     0/     0 kb/s] [eta 00m:18s]
fio: pid=9952, got signal=6

fio: (groupid=0): err= 0: pid=9950
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=0.5%, 4=19.4%, 8=79.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.2%, 4=0.0%, 10=0.2%, 20=2.7%, 50=22.0%, 100=8.7%
     lat (msec): 250=59.7%, 500=5.8%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=9951
  read : io=100MiB, bw=3,123KiB/s, runt= 33563msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    6, max=  823, avg=112.32, stdev=106.67
    bw (KiB/s) : min=    8, max=19008, per=52.24%, avg=3569.24, stdev=4211.55
  write: io=38,204KiB, bw=1,262KiB/s, runt= 30989msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=   23, max=  655, avg=163.19, stdev=69.51
    bw (KiB/s) : min=    0, max= 6456, per=52.75%, avg=2116.42, stdev=1673.57
  cpu          : usr=0.07%, sys=0.27%, ctx=6294
  IO depths    : 1=0.2%, 2=0.8%, 4=25.0%, 8=74.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=1.7%, 20=3.6%, 50=32.2%, 100=8.9%
     lat (msec): 250=47.3%, 500=5.2%, 750=0.6%, 1000=0.3%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=9952
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=0.8%, 4=18.1%, 8=80.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.1%, 4=0.0%, 10=0.7%, 20=2.7%, 50=20.1%, 100=5.2%
     lat (msec): 250=61.7%, 500=6.2%, 750=1.8%, 1000=1.4%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=219MiB, aggrb=6,832KiB/s, minb=0KiB/s, maxb=3,123KiB/s, mint=0msec, maxt=33563msec
  WRITE: io=119MiB, aggrb=4,012KiB/s, minb=0KiB/s, maxb=1,262KiB/s, mint=0msec, maxt=33563msec

Disk stats (read/write):
  sda: ios=4036/2042, merge=515/349, ticks=76292/41544, in_queue=117836, util=93.28%
0.11user 0.26system 0:38.11elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2488minor)pagefaults 0swaps