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: pid=18999, got signal=6
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] [66.7% done] [     0/     0 kb/s] [eta 00m:04s]
Threads: 2: [V_F] [75.0% done] [  8912/     0 kb/s] [eta 00m:03s]
Threads: 2: [V_F] [83.3% done] [  9888/     0 kb/s] [eta 00m:02s]
Threads: 2: [V_F] [91.7% done] [ 16652/     0 kb/s] [eta 00m:01s]
Threads: 2: [V_F] [100.0% done] [  9376/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_F] [100.0% done] [ 11700/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_F] [100.0% done] [ 11652/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_F] [100.0% done] [  8484/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_F] [100.0% done] [ 14592/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [  5204/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [76.9% done] [ 14612/     0 kb/s] [eta 00m:06s]
Threads: 1: [__V] [100.0% done] [ 35396/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [100.0% done] [ 38640/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=18998
  read : io=100MiB, bw=6,054KiB/s, runt= 17318msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  398, avg=45.60, stdev=54.26
    bw (KiB/s) : min=   12, max=17965, per=106.70%, avg=9898.15, stdev=4386.88
  write: io=96,460KiB, bw=11,894KiB/s, runt=  8304msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  135, avg= 0.56, stdev= 6.67
    bw (KiB/s) : min=    0, max=128147, per=423.18%, avg=64073.50, stdev=90613.61
  cpu          : usr=4.53%, sys=2.38%, ctx=4425
  IO depths    : 1=1.3%, 2=56.2%, 4=29.8%, 8=12.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=50.7%, 4=0.2%, 10=13.3%, 20=6.9%, 50=13.1%, 100=8.2%
     lat (msec): 250=7.0%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=18999
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=95.5%, 4=2.5%, 8=1.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=96.5%, 4=0.4%, 10=0.5%, 20=0.1%, 50=0.2%, 100=0.3%
     lat (msec): 250=1.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=19000
  read : io=100MiB, bw=4,549KiB/s, runt= 23047msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  391, avg=17.33, stdev=35.41
    bw (KiB/s) : min=    8, max=40488, per=216.39%, avg=20074.20, stdev=18018.36
  write: io=98,916KiB, bw=5,099KiB/s, runt= 19864msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  326, avg= 0.98, stdev=14.14
    bw (KiB/s) : min=    0, max=36830, per=121.62%, avg=18415.00, stdev=26042.74
  cpu          : usr=3.30%, sys=1.63%, ctx=5269
  IO depths    : 1=1.8%, 2=57.5%, 4=30.2%, 8=10.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=50.5%, 4=0.1%, 10=28.3%, 20=14.1%, 50=3.6%, 100=1.4%
     lat (msec): 250=1.5%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=204MiB, aggrb=9,277KiB/s, minb=0KiB/s, maxb=6,054KiB/s, mint=23047msec, maxt=23047msec
  WRITE: io=287MiB, aggrb=15,141KiB/s, minb=0KiB/s, maxb=11,894KiB/s, mint=23047msec, maxt=23047msec

Disk stats (read/write):
  sda: ios=2187/2747, merge=743/70464, ticks=36032/2677712, in_queue=2716328, util=98.23%
2.36user 1.04system 0:23.56elapsed 14%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2490minor)pagefaults 0swaps