iops

##########################3333
SD Card  RPI microSDHC EVO PLUS 32GB Class 10

gil@gil-NUC10i7FNH:/media/gil/9016-4EF8$ fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=random_read_write.fio --bs=4k --iodepth=64 --size=1G --readwrite=randrw --rwmixread=75
test: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=64
fio-3.16
Starting 1 process
test: Laying out IO file (1 file / 1024MiB)
Jobs: 1 (f=1): [m(1)][100.0%][r=4688KiB/s,w=1445KiB/s][r=1172,w=361 IOPS][eta 00m:00s]
test: (groupid=0, jobs=1): err= 0: pid=562556: Thu Jul  2 20:35:30 2020
  read: IOPS=776, BW=3105KiB/s (3179kB/s)(768MiB/253164msec)
   bw (  KiB/s): min=   48, max= 6040, per=100.00%, avg=3785.74, stdev=2089.62, samples=415
   iops        : min=   12, max= 1510, avg=946.41, stdev=522.42, samples=415
  write: IOPS=259, BW=1037KiB/s (1062kB/s)(256MiB/253164msec); 0 zone resets
   bw (  KiB/s): min=    8, max= 2040, per=100.00%, avg=1195.53, stdev=735.82, samples=439
   iops        : min=    2, max=  510, avg=298.87, stdev=183.98, samples=439
  cpu          : usr=0.66%, sys=2.44%, ctx=260800, majf=0, minf=9
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
     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=0.1%, >=64=0.0%
     issued rwts: total=196498,65646,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=64

Run status group 0 (all jobs):
   READ: bw=3105KiB/s (3179kB/s), 3105KiB/s-3105KiB/s (3179kB/s-3179kB/s), io=768MiB (805MB), run=253164-253164msec
  WRITE: bw=1037KiB/s (1062kB/s), 1037KiB/s-1037KiB/s (1062kB/s-1062kB/s), io=256MiB (269MB), run=253164-253164msec

Disk stats (read/write):
  mmcblk0: ios=195251/65541, merge=1228/111, ticks=13532012/2610819, in_queue=15620432, util=57.03%


#### Samsung  Samsung MZ-V7S500BW 970 EVO Plus - Unidad SSD, 500 GB, M.2, NVMe, tamaño 2.5 ", Interfaz SATA 6 GB/s, Color Negro/Naranja


gil@gil-NUC10i7FNH:~$ fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=random_read_write.fio --bs=4k --iodepth=64 --size=4G --readwrite=randrw --rwmixread=75
test: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=64
fio-3.16
Starting 1 process
test: Laying out IO file (1 file / 4096MiB)
Jobs: 1 (f=1): [m(1)][100.0%][r=660MiB/s,w=222MiB/s][r=169k,w=56.9k IOPS][eta 00m:00s]
test: (groupid=0, jobs=1): err= 0: pid=562916: Thu Jul  2 20:36:52 2020
  read: IOPS=165k, BW=643MiB/s (674MB/s)(3070MiB/4776msec)
   bw (  KiB/s): min=618272, max=691440, per=100.00%, avg=659922.67, stdev=27069.02, samples=9
   iops        : min=154568, max=172860, avg=164981.11, stdev=6767.14, samples=9
  write: IOPS=54.0k, BW=215MiB/s (225MB/s)(1026MiB/4776msec); 0 zone resets
   bw (  KiB/s): min=206936, max=232864, per=100.00%, avg=220768.89, stdev=9152.40, samples=9
   iops        : min=51734, max=58216, avg=55192.22, stdev=2288.10, samples=9
  cpu          : usr=15.10%, sys=52.27%, ctx=154577, majf=0, minf=9
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
     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=0.1%, >=64=0.0%
     issued rwts: total=785920,262656,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=64

Run status group 0 (all jobs):
   READ: bw=643MiB/s (674MB/s), 643MiB/s-643MiB/s (674MB/s-674MB/s), io=3070MiB (3219MB), run=4776-4776msec
  WRITE: bw=215MiB/s (225MB/s), 215MiB/s-215MiB/s (225MB/s-225MB/s), io=1026MiB (1076MB), run=4776-4776msec

Disk stats (read/write):
  nvme0n1: ios=771372/257868, merge=0/36, ticks=265865/2318, in_queue=2184, util=98.39%


# Feina

gil@gilobradors:~$ fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=random_read_write.fio --bs=4k --iodepth=64 --size=4G --readwrite=randrw --rwmixread=75
test: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=64
fio-3.1
Starting 1 process
test: Laying out IO file (1 file / 4096MiB)
Jobs: 1 (f=1): [m(1)][100.0%][r=1237KiB/s,w=380KiB/s][r=309,w=95 IOPS][eta 00m:00s]     
Jobs: 1 (f=1): [m(1)][100.0%][r=8912KiB/s,w=3120KiB/s][r=2228,w=780 IOPS][eta 00m:00s]
test: (groupid=0, jobs=1): err= 0: pid=25525: Thu Jul  2 20:40:54 2020
   read: IOPS=16.0k, BW=66.3MiB/s (69.6MB/s)(3070MiB/46276msec)
   bw (  KiB/s): min=  912, max=99863, per=99.53%, avg=67613.22, stdev=37508.34, samples=92
   iops        : min=  228, max=24965, avg=16903.29, stdev=9377.03, samples=92
  write: IOPS=5675, BW=22.2MiB/s (23.2MB/s)(1026MiB/46276msec)
   bw (  KiB/s): min=  192, max=33386, per=100.00%, avg=22842.10, stdev=12397.29, samples=91
   iops        : min=   48, max= 8346, avg=5710.52, stdev=3099.32, samples=91
  cpu          : usr=6.37%, sys=23.18%, ctx=414369, majf=0, minf=7
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
     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=0.1%, >=64=0.0%
     issued rwt: total=785920,262656,0, short=0,0,0, dropped=0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=64

Run status group 0 (all jobs):
   READ: bw=66.3MiB/s (69.6MB/s), 66.3MiB/s-66.3MiB/s (69.6MB/s-69.6MB/s), io=3070MiB (3219MB), run=46276-46276msec
  WRITE: bw=22.2MiB/s (23.2MB/s), 22.2MiB/s-22.2MiB/s (23.2MB/s-23.2MB/s), io=1026MiB (1076MB), run=46276-46276msec

Disk stats (read/write):
  sdc: ios=777657/260379, merge=1722/253, ticks=1798604/961840, in_queue=2760452, util=99.84%