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: [FmF] [30.0% done] [  1184/     0 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [30.8% done] [  1245/     0 kb/s] [eta 00m:09s]
Threads: 3: [FmF] [33.3% done] [  1704/     0 kb/s] [eta 00m:10s]
Threads: 3: [FFF] [100.0% done] [   300/ 53232 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: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [69.6% done] [ 13792/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [73.9% done] [ 26588/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [81.8% done] [ 33316/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [86.4% done] [ 31012/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [90.9% done] [ 37392/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 37236/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 32164/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 28632/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 28300/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=4825
  read : io=100MiB, bw=4,195KiB/s, runt= 24990msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  536, avg=44.47, stdev=84.82
    bw (KiB/s) : min=   16, max=19496, per=77.71%, avg=9684.83, stdev=6035.45
  write: io=98MiB, bw=6,559KiB/s, runt= 15648msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  246, avg= 1.50, stdev=10.36
    bw (KiB/s) : min=    0, max=122658, per=253.63%, avg=48200.67, stdev=65408.76
  cpu          : usr=3.94%, sys=1.30%, ctx=5781
  IO depths    : 1=6.8%, 2=50.9%, 4=32.1%, 8=10.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=47.6%, 4=0.4%, 10=25.8%, 20=12.8%, 50=3.6%, 100=1.3%
     lat (msec): 250=6.6%, 500=1.6%, 750=0.2%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4826
  read : io=100MiB, bw=4,154KiB/s, runt= 25238msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  839, avg=64.38, stdev=124.51
    bw (KiB/s) : min=    7, max=14417, per=49.68%, avg=6191.65, stdev=5118.95
  write: io=92,772KiB, bw=6,070KiB/s, runt= 15648msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  559, avg= 1.70, stdev=23.31
    bw (KiB/s) : min=    0, max= 7545, per=19.85%, avg=3772.50, stdev=5335.12
  cpu          : usr=3.84%, sys=1.43%, ctx=5605
  IO depths    : 1=1.2%, 2=54.7%, 4=30.6%, 8=13.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=46.0%, 4=3.1%, 10=19.1%, 20=15.0%, 50=5.0%, 100=1.4%
     lat (msec): 250=6.5%, 500=2.8%, 750=1.0%, 1000=0.1%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4827
  read : io=100MiB, bw=4,231KiB/s, runt= 24777msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  559, avg=50.83, stdev=82.88
    bw (KiB/s) : min=    5, max=19342, per=74.01%, avg=9223.50, stdev=6508.18
  write: io=97,408KiB, bw=6,377KiB/s, runt= 15640msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   87, avg= 0.52, stdev= 4.22
    bw (KiB/s) : min=    0, max=35534, per=93.49%, avg=17767.00, stdev=25126.33
  cpu          : usr=3.15%, sys=1.58%, ctx=5314
  IO depths    : 1=1.3%, 2=52.8%, 4=33.1%, 8=12.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=48.2%, 4=1.1%, 10=16.0%, 20=17.1%, 50=5.9%, 100=1.3%
     lat (msec): 250=8.4%, 500=1.7%, 750=0.1%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,463KiB/s, minb=4,154KiB/s, maxb=4,231KiB/s, mint=24777msec, maxt=25238msec
  WRITE: io=284MiB, aggrb=19,004KiB/s, minb=6,070KiB/s, maxb=6,559KiB/s, mint=24777msec, maxt=25238msec

Disk stats (read/write):
  sda: ios=3206/2539, merge=1135/69977, ticks=69732/2094652, in_queue=2167844, util=97.19%
2.79user 1.13system 0:25.53elapsed 15%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2482minor)pagefaults 0swaps