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

Jobs: 1 (f=1): [m(1)] [100.0% done] [748KB/744KB/0KB /s] [187/186/0 iops] [eta 00m:00s]
randrw: (groupid=0, jobs=1): err= 0: pid=14674: Mon Mar 16 08:52:51 2020
  read : io=356916KB, bw=609132B/s, iops=148, runt=600004msec
    clat (usec): min=3, max=307179, avg=6055.23, stdev=14354.33
     lat (usec): min=3, max=307179, avg=6055.47, stdev=14354.33
    clat percentiles (usec):
     |  1.00th=[   18],  5.00th=[   20], 10.00th=[   21], 20.00th=[   24],
     | 30.00th=[   29], 40.00th=[   63], 50.00th=[ 3984], 60.00th=[ 5856],
     | 70.00th=[ 7648], 80.00th=[ 9408], 90.00th=[11584], 95.00th=[19328],
     | 99.00th=[38656], 99.50th=[55040], 99.90th=[228352], 99.95th=[246784],
     | 99.99th=[276480]
  write: io=359648KB, bw=613795B/s, iops=149, runt=600004msec
    clat (usec): min=6, max=273146, avg=659.84, stdev=4749.73
     lat (usec): min=6, max=273146, avg=660.11, stdev=4749.74
    clat percentiles (usec):
     |  1.00th=[   23],  5.00th=[   24], 10.00th=[   25], 20.00th=[   27],
     | 30.00th=[   28], 40.00th=[   30], 50.00th=[   33], 60.00th=[   36],
     | 70.00th=[   46], 80.00th=[   67], 90.00th=[   86], 95.00th=[ 4448],
     | 99.00th=[11712], 99.50th=[19584], 99.90th=[38656], 99.95th=[52480],
     | 99.99th=[220160]
    lat (usec) : 4=0.01%, 10=0.05%, 20=2.11%, 50=51.61%, 100=14.95%
    lat (usec) : 250=1.12%, 500=0.04%, 750=0.02%, 1000=0.01%
    lat (msec) : 2=0.04%, 4=2.57%, 10=18.21%, 20=6.65%, 50=2.29%
    lat (msec) : 100=0.12%, 250=0.18%, 500=0.02%
  cpu          : usr=0.07%, sys=1.18%, ctx=54511, majf=0, minf=848
  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=89229/w=89912/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=356916KB, aggrb=594KB/s, minb=594KB/s, maxb=594KB/s, mint=600004msec, maxt=600004msec
  WRITE: io=359648KB, aggrb=599KB/s, minb=599KB/s, maxb=599KB/s, mint=600004msec, maxt=600004msec