# fio --filename=/dev/VG/TESTDISK --direct=1 --rw=randrw --refill_buffers --norandommap --randrepeat=0 --ioengine=libaio --bs=8k --rwmixread=70 --iodepth=16 --numjobs=16 --runtime=60 --group_reporting --name=8k7030test
8k7030test: (g=0): rw=randrw, bs=8K-8K/8K-8K, ioengine=libaio, iodepth=16
...
8k7030test: (g=0): rw=randrw, bs=8K-8K/8K-8K, ioengine=libaio, iodepth=16
2.0.8
Starting 16 processes
Jobs: 16 (f=16): [mmmmmmmmmmmmmmmm] [100.0% done] [283.4M/121.6M /s] [36.3K/15.6K iops] [eta 00m:00s]
8k7030test: (groupid=0, jobs=16): err= 0: pid=15573
  read : io=17080MB, bw=291457KB/s, iops=36432 , runt= 60008msec
    slat (usec): min=3 , max=169057 , avg=169.14, stdev=1008.90
    clat (msec): min=1 , max=172 , avg= 4.72, stdev= 2.99
     lat (msec): min=1 , max=172 , avg= 4.89, stdev= 3.05
    clat percentiles (usec):
     |  1.00th=[ 1864],  5.00th=[ 2128], 10.00th=[ 2256], 20.00th=[ 2416],
     | 30.00th=[ 2608], 40.00th=[ 2960], 50.00th=[ 3792], 60.00th=[ 5408],
     | 70.00th=[ 6368], 80.00th=[ 7072], 90.00th=[ 7712], 95.00th=[ 8256],
     | 99.00th=[11456], 99.50th=[17792], 99.90th=[29312], 99.95th=[31872],
     | 99.99th=[36608]
    bw (KB/s)  : min=12016, max=20000, per=6.26%, avg=18232.36, stdev=868.65
  write: io=7332.7MB, bw=125128KB/s, iops=15640 , runt= 60008msec
    slat (usec): min=3 , max=165619 , avg=171.06, stdev=998.86
    clat (msec): min=1 , max=176 , avg= 4.79, stdev= 3.32
     lat (msec): min=1 , max=176 , avg= 4.96, stdev= 3.37
    clat percentiles (usec):
     |  1.00th=[ 1880],  5.00th=[ 2160], 10.00th=[ 2288], 20.00th=[ 2480],
     | 30.00th=[ 2704], 40.00th=[ 3024], 50.00th=[ 3728], 60.00th=[ 5408],
     | 70.00th=[ 6368], 80.00th=[ 7072], 90.00th=[ 7776], 95.00th=[ 8384],
     | 99.00th=[14016], 99.50th=[20864], 99.90th=[30592], 99.95th=[33024],
     | 99.99th=[48384]
    bw (KB/s)  : min= 4832, max= 9219, per=6.26%, avg=7827.12, stdev=461.68
    lat (msec) : 2=2.25%, 4=49.32%, 10=46.72%, 20=1.29%, 50=0.42%
    lat (msec) : 250=0.01%
  cpu          : usr=1.56%, sys=3.70%, ctx=1270119, majf=0, minf=386
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=100.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued    : total=r=2186220/w=938583/d=0, short=r=0/w=0/d=0
 
Run status group 0 (all jobs):
   READ: io=17080MB, aggrb=291457KB/s, minb=291457KB/s, maxb=291457KB/s, mint=60008msec, maxt=60008msec
  WRITE: io=7332.7MB, aggrb=125127KB/s, minb=125127KB/s, maxb=125127KB/s, mint=60008msec, maxt=60008msec