fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [Fmm] [15.8% done] [ 12076/  8312 kb/s] [eta 00m:16s]
Threads: 3: [Fmm] [21.1% done] [  3696/ 15516 kb/s] [eta 00m:15s]
Threads: 3: [Fmm] [26.3% done] [  8740/  9220 kb/s] [eta 00m:14s]
Threads: 3: [Fmm] [30.0% done] [ 18248/     0 kb/s] [eta 00m:14s]
Threads: 3: [Fmm] [35.0% done] [ 12384/  3524 kb/s] [eta 00m:13s]
Threads: 3: [Fmm] [40.0% done] [ 11772/  7188 kb/s] [eta 00m:12s]
Threads: 3: [Fmm] [45.0% done] [  9832/  4848 kb/s] [eta 00m:11s]
Threads: 3: [Fmm] [50.0% done] [  8716/  1980 kb/s] [eta 00m:10s]
Threads: 3: [Fmm] [52.4% done] [  6048/  1184 kb/s] [eta 00m:10s]
Threads: 3: [FmF] [54.5% done] [  1732/  2912 kb/s] [eta 00m:10s]
Threads: 3: [FmF] [56.5% done] [  1828/  1840 kb/s] [eta 00m:10s]
Threads: 3: [FmF] [58.3% done] [   956/   660 kb/s] [eta 00m:10s]
Threads: 3: [FmF] [62.5% done] [  1804/  2932 kb/s] [eta 00m:09s]
Threads: 3: [FmF] [64.0% done] [  5092/     0 kb/s] [eta 00m:09s]
Threads: 2: [_FF] [100.0% done] [ 52888/  2412 kb/s] [eta 00m:00s]
Threads: 1: [_F_] [100.0% done] [ 33992/     0 kb/s] [eta 00m:00s]
Threads: 1: [_F_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=7035
  read : io=100MiB, bw=6,176KiB/s, runt= 16977msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    1, max=  138, per=0.44%, avg=69.50, stdev=96.87
  write: io=51,128KiB, bw=3,138KiB/s, runt= 16682msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=    0, per=0.00%, avg= 0.00, stdev=-1.00
  cpu          : usr=6.83%, sys=0.97%, ctx=20
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 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=7036
  read : io=100MiB, bw=5,302KiB/s, runt= 19775msec
    clat (msec): min=    0, max=  272, avg= 5.84, stdev=24.87
    bw (KiB/s) : min=   11, max= 9296, per=25.46%, avg=4049.56, stdev=3132.87
  write: io=42,596KiB, bw=2,233KiB/s, runt= 19533msec
    clat (msec): min=    0, max=  215, avg= 9.67, stdev=28.31
    bw (KiB/s) : min=    0, max=12744, per=58.43%, avg=3911.90, stdev=3900.44
  cpu          : usr=5.12%, sys=1.17%, ctx=6599
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=73.7%, 4=2.9%, 10=8.0%, 20=10.2%, 50=1.5%, 100=1.5%
     lat (msec): 250=2.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=7037
  read : io=100MiB, bw=5,967KiB/s, runt= 17570msec
    clat (msec): min=    0, max=  242, avg= 4.20, stdev=23.24
    bw (KiB/s) : min=    8, max=21250, per=40.19%, avg=6393.75, stdev=5933.35
  write: io=33,992KiB, bw=2,003KiB/s, runt= 17373msec
    clat (msec): min=    0, max=  198, avg= 5.45, stdev=25.83
    bw (KiB/s) : min=    0, max=14157, per=73.90%, avg=4947.38, stdev=5966.33
  cpu          : usr=5.78%, sys=1.43%, ctx=2839
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=85.1%, 4=1.9%, 10=5.4%, 20=5.0%, 50=0.5%, 100=0.0%
     lat (msec): 250=1.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,907KiB/s, minb=5,302KiB/s, maxb=6,176KiB/s, mint=16977msec, maxt=19775msec
  WRITE: io=125MiB, aggrb=6,695KiB/s, minb=2,003KiB/s, maxb=3,138KiB/s, mint=16977msec, maxt=19775msec

Disk stats (read/write):
  sda: ios=9092/1272, merge=0/30709, ticks=26492/2473064, in_queue=2499556, util=98.09%
3.20user 0.66system 0:20.15elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9091major+100646minor)pagefaults 0swaps