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] [7.5% done] [ 10168/ 41896 kb/s] [eta 00m:37s]
Threads: 3: [mFF] [10.3% done] [  6388/ 42664 kb/s] [eta 00m:35s]
Threads: 3: [mFF] [45.5% done] [  1284/ 51720 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [     0/ 33784 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]
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: [FVV] [68.2% done] [     0/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [69.6% done] [ 17776/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [70.8% done] [ 28824/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [75.0% done] [ 23216/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [82.6% done] [ 27144/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [90.9% done] [ 33860/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 32476/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 36776/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 27504/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 31496/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=17539
  read : io=100MiB, bw=4,213KiB/s, runt= 24859msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  824, avg=62.24, stdev=115.44
    bw (KiB/s) : min=    0, max=19808, per=55.52%, avg=6998.76, stdev=5676.13
  write: io=85,964KiB, bw=5,720KiB/s, runt= 15388msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  638, avg= 4.14, stdev=44.26
    bw (KiB/s) : min=    0, max=138649, per=260.22%, avg=46259.00, stdev=80012.11
  cpu          : usr=2.64%, sys=1.56%, ctx=5517
  IO depths    : 1=2.0%, 2=55.4%, 4=29.2%, 8=13.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.1%, 4=0.1%, 10=22.1%, 20=12.1%, 50=4.0%, 100=0.6%
     lat (msec): 250=8.3%, 500=2.5%, 750=0.8%, 1000=0.2%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=17540
  read : io=100MiB, bw=4,299KiB/s, runt= 24390msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  703, avg=54.09, stdev=95.50
    bw (KiB/s) : min=    2, max=19615, per=61.72%, avg=7780.43, stdev=5778.64
  write: io=89,052KiB, bw=5,922KiB/s, runt= 15396msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  139, avg= 1.12, stdev= 7.47
    bw (KiB/s) : min=    0, max=46630, per=145.36%, avg=25840.00, stdev=23721.64
  cpu          : usr=3.51%, sys=1.74%, ctx=5430
  IO depths    : 1=1.8%, 2=53.5%, 4=29.9%, 8=14.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=44.6%, 4=2.8%, 10=21.2%, 20=12.1%, 50=6.4%, 100=2.7%
     lat (msec): 250=7.8%, 500=1.8%, 750=0.5%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=17541
  read : io=100MiB, bw=4,203KiB/s, runt= 24945msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  591, avg=55.39, stdev=88.62
    bw (KiB/s) : min=   16, max=19805, per=62.81%, avg=7917.77, stdev=5286.81
  write: io=92,268KiB, bw=6,162KiB/s, runt= 15332msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  286, avg= 1.02, stdev=10.53
    bw (KiB/s) : min=    0, max=105037, per=214.90%, avg=38203.00, stdev=58077.48
  cpu          : usr=3.64%, sys=1.59%, ctx=7152
  IO depths    : 1=10.9%, 2=44.6%, 4=30.8%, 8=13.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=47.7%, 4=0.6%, 10=20.7%, 20=12.7%, 50=5.0%, 100=1.7%
     lat (msec): 250=9.2%, 500=2.0%, 750=0.2%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,606KiB/s, minb=4,203KiB/s, maxb=4,299KiB/s, mint=24390msec, maxt=24945msec
  WRITE: io=261MiB, aggrb=17,777KiB/s, minb=5,720KiB/s, maxb=6,162KiB/s, mint=24390msec, maxt=24945msec

Disk stats (read/write):
  sda: ios=3618/1998, merge=1294/64690, ticks=80168/1668636, in_queue=1756104, util=97.68%
2.45user 1.28system 0:25.35elapsed 14%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2470minor)pagefaults 0swaps