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: [mmm] [14.3% done] [  6842/ 15120 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [19.0% done] [ 17193/  4230 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [22.7% done] [ 18865/  2920 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [27.3% done] [ 12629/  7467 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [31.8% done] [ 11181/  9827 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [36.4% done] [  6353/ 11913 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [39.1% done] [  9424/  8887 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [43.5% done] [  8151/ 10043 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [45.8% done] [  9675/  5818 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [50.0% done] [  8655/  8285 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [54.2% done] [  9355/  6080 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [58.3% done] [ 15228/     0 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [60.0% done] [  9439/  3884 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [61.5% done] [  4185/  7736 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [65.4% done] [  7459/  3591 kb/s] [eta 00m:09s]
Threads: 3: [VVV] [69.2% done] [ 16412/   946 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [79.2% done] [ 36506/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [83.3% done] [ 33239/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [91.3% done] [ 35806/     0 kb/s] [eta 00m:02s]
fio: (groupid=0): err= 0: pid=3385
  read : io=100MiB, bw=4,914KiB/s, runt= 21335msec
    slat (msec): min=    0, max= 4034, avg=939.16, stdev=1343.05
    clat (msec): min=    0, max=  801, avg=64.78, stdev=73.90
    bw (KiB/s) : min=    4, max=12734, per=36.80%, avg=5426.45, stdev=3838.67
  write: io=42,932KiB, bw=2,554KiB/s, runt= 17211msec
    slat (msec): min=    0, max=   12, avg= 0.76, stdev= 1.57
    clat (msec): min=    5, max=  292, avg=79.34, stdev=57.77
    bw (KiB/s) : min=    0, max= 8078, per=56.06%, avg=3995.82, stdev=3031.11
  cpu          : usr=8.66%, sys=0.41%, ctx=1251
  IO depths    : 1=0.2%, 2=1.2%, 4=44.8%, 8=53.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.3%, 4=0.8%, 10=8.2%, 20=15.2%, 50=27.9%, 100=24.2%
     lat (msec): 250=21.9%, 500=1.1%, 750=0.0%, 1000=0.2%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=3386
  read : io=100MiB, bw=4,916KiB/s, runt= 21329msec
    slat (msec): min=    0, max= 5133, avg=1484.20, stdev=1824.59
    clat (msec): min=    0, max=  294, avg=60.20, stdev=65.26
    bw (KiB/s) : min=   34, max=13427, per=37.69%, avg=5557.41, stdev=4001.31
  write: io=40,728KiB, bw=2,574KiB/s, runt= 16197msec
    slat (msec): min=    0, max=   12, avg= 0.78, stdev= 1.53
    clat (msec): min=    5, max=  285, avg=76.17, stdev=57.01
    bw (KiB/s) : min=    0, max=11672, per=50.47%, avg=3597.25, stdev=3086.67
  cpu          : usr=8.27%, sys=0.62%, ctx=1244
  IO depths    : 1=0.2%, 2=1.2%, 4=45.0%, 8=53.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.6%, 10=11.1%, 20=16.8%, 50=24.2%, 100=25.8%
     lat (msec): 250=20.1%, 500=1.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=3387
  read : io=100MiB, bw=4,966KiB/s, runt= 21113msec
    slat (msec): min=    0, max= 3521, avg=582.04, stdev=1015.08
    clat (msec): min=    0, max=  333, avg=64.08, stdev=65.54
    bw (KiB/s) : min=  123, max=13287, per=34.10%, avg=5027.76, stdev=3613.87
  write: io=39,016KiB, bw=2,267KiB/s, runt= 17623msec
    slat (msec): min=    0, max=  266, avg= 2.75, stdev=21.93
    clat (msec): min=    3, max=  309, avg=84.68, stdev=62.25
    bw (KiB/s) : min=    0, max= 9099, per=46.09%, avg=3285.45, stdev=3031.75
  cpu          : usr=8.56%, sys=0.70%, ctx=1368
  IO depths    : 1=0.3%, 2=1.4%, 4=41.3%, 8=57.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.2%, 4=0.8%, 10=6.3%, 20=18.2%, 50=25.8%, 100=24.6%
     lat (msec): 250=21.8%, 500=2.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=14,744KiB/s, minb=4,914KiB/s, maxb=4,966KiB/s, mint=21113msec, maxt=21335msec
  WRITE: io=120MiB, aggrb=7,128KiB/s, minb=2,267KiB/s, maxb=2,574KiB/s, mint=21113msec, maxt=21335msec

Disk stats (read/write):
  cciss!c0d0: ios=5416/2266, merge=1275/574, ticks=355884/232360, in_queue=588236, util=99.54%
5.47user 0.38system 0:21.52elapsed 27%CPU (0avgtext+0avgdata 0maxresident)k
614400inputs+245376outputs (0major+2366minor)pagefaults 0swaps