fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [Fmm] [6.5% done] [  4856/125776 kb/s] [eta 00m:43s]
Threads: 3: [FFm] [7.8% done] [  1888/ 38096 kb/s] [eta 00m:47s]
Threads: 3: [FFm] [27.8% done] [  1828/ 27364 kb/s] [eta 00m:13s]
Threads: 3: [FFF] [100.0% done] [     0/ 61384 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] [70.0% done] [ 12532/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [71.4% done] [ 26352/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [76.2% done] [ 27132/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [85.0% done] [ 25552/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [94.7% done] [ 34835/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 35091/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 35749/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 28278/     0 kb/s] [eta 00m:00s]
Threads: 2: [VEV] [100.0% done] [ 31413/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=21144
  read : io=100MiB, bw=4,559KiB/s, runt= 22996msec
    slat (msec): min=  218, max=20340, avg=16194.42, stdev=3579.82
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    7, max=20197, per=66.58%, avg=9106.83, stdev=6172.22
  write: io=95,696KiB, bw=7,347KiB/s, runt= 13336msec
    slat (msec): min=    0, max=   15, avg= 1.84, stdev= 2.01
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=110182, per=258.84%, avg=55091.00, stdev=77910.44
  cpu          : usr=5.18%, sys=1.65%, ctx=806
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=21145
  read : io=100MiB, bw=4,669KiB/s, runt= 22458msec
    slat (msec): min=   90, max=19174, avg=14454.18, stdev=4453.27
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   11, max=19763, per=66.03%, avg=9032.63, stdev=6633.72
  write: io=92,756KiB, bw=7,122KiB/s, runt= 13336msec
    slat (msec): min=    0, max=  195, avg= 1.91, stdev= 5.23
    clat (msec): min=    0, max=    2, avg= 0.01, stdev= 0.14
    bw (KiB/s) : min=    0, max=79827, per=155.58%, avg=33113.00, stdev=41615.24
  cpu          : usr=5.40%, sys=1.64%, ctx=892
  IO depths    : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.6%, 4=0.2%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=21146
  read : io=100MiB, bw=4,587KiB/s, runt= 22857msec
    slat (msec): min=   86, max=17333, avg=12154.58, stdev=4027.22
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    8, max=17885, per=52.35%, avg=7161.00, stdev=5668.22
  write: io=88,748KiB, bw=6,816KiB/s, runt= 13332msec
    slat (msec): min=    0, max=   12, avg= 1.60, stdev= 1.70
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=115374, per=271.03%, avg=57687.00, stdev=81581.74
  cpu          : usr=5.29%, sys=1.86%, ctx=922
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=13,679KiB/s, minb=4,559KiB/s, maxb=4,669KiB/s, mint=22458msec, maxt=22996msec
  WRITE: io=271MiB, aggrb=21,284KiB/s, minb=6,816KiB/s, maxb=7,347KiB/s, mint=22458msec, maxt=22996msec

Disk stats (read/write):
  sda: ios=3373/1472, merge=1302/67850, ticks=94552/1556836, in_queue=1651388, util=99.10%
3.66user 1.19system 0:23.23elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2416minor)pagefaults 0swaps