Random Read/Writes – SYNC mode with 100 GB file and 4k block

Jobs: 1 (f=1): [m(1)] [100.0% done] [716KB/780KB/0KB /s] [179/195/0 iops] [eta 00m:00s]
randrw: (groupid=0, jobs=1): err= 0: pid=15034: Mon Mar 16 08:40:28 2020
  read : io=332244KB, bw=566854B/s, iops=138, runt=600186msec
    clat (usec): min=3, max=1231.4K, avg=3608.89, stdev=10672.81
     lat (usec): min=3, max=1231.4K, avg=3609.13, stdev=10672.81
    clat percentiles (usec):
     |  1.00th=[   18],  5.00th=[   19], 10.00th=[   20], 20.00th=[   22],
     | 30.00th=[   24], 40.00th=[   27], 50.00th=[   55], 60.00th=[   79],
     | 70.00th=[ 4448], 80.00th=[ 7008], 90.00th=[ 9536], 95.00th=[10944],
     | 99.00th=[29312], 99.50th=[38656], 99.90th=[173056], 99.95th=[183296],
     | 99.99th=[222208]
  write: io=334996KB, bw=571549B/s, iops=139, runt=600186msec
    clat (usec): min=5, max=380897, avg=3582.94, stdev=9786.51
     lat (usec): min=6, max=380897, avg=3583.22, stdev=9786.51
    clat percentiles (usec):
     |  1.00th=[   23],  5.00th=[   25], 10.00th=[   26], 20.00th=[   28],
     | 30.00th=[   31], 40.00th=[   35], 50.00th=[   60], 60.00th=[   85],
     | 70.00th=[ 4512], 80.00th=[ 7008], 90.00th=[ 9536], 95.00th=[10944],
     | 99.00th=[29056], 99.50th=[38656], 99.90th=[171008], 99.95th=[183296],
     | 99.99th=[244736]
    lat (usec) : 4=0.01%, 10=0.04%, 20=2.89%, 50=45.51%, 100=13.09%
    lat (usec) : 250=0.63%, 500=0.03%, 750=0.02%, 1000=0.01%
    lat (msec) : 2=0.09%, 4=5.86%, 10=23.72%, 20=5.80%, 50=1.97%
    lat (msec) : 100=0.12%, 250=0.20%, 500=0.01%, 2000=0.01%
  cpu          : usr=0.06%, sys=1.10%, ctx=63790, majf=0, minf=22
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 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=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued    : total=r=83061/w=83749/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=1

Run status group 0 (all jobs):
   READ: io=332244KB, aggrb=553KB/s, minb=553KB/s, maxb=553KB/s, mint=600186msec, maxt=600186msec
  WRITE: io=334996KB, aggrb=558KB/s, minb=558KB/s, maxb=558KB/s, mint=600186msec, maxt=600186msec