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fio read after format correct drive

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Mar 3rd, 2023
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  1. fio --name=read_throughput --directory=./ --numjobs=4 --size=10G --time_based --runtime=60s --ramp_time=2s --ioengine=libaio --direct=1 --verify=0 --bs=1M --iodepth=64 --rw=read --group_reporting=1
  2. read_throughput: (g=0): rw=read, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=libaio, iodepth=64
  3. ...
  4. fio-3.25
  5. Starting 4 processes
  6. read_throughput: Laying out IO file (1 file / 10240MiB)
  7. read_throughput: Laying out IO file (1 file / 10240MiB)
  8. read_throughput: Laying out IO file (1 file / 10240MiB)
  9. read_throughput: Laying out IO file (1 file / 10240MiB)
  10. Jobs: 3 (f=0): [_(1),f(3)][100.0%][r=189MiB/s][r=189 IOPS][eta 00m:00s]
  11. read_throughput: (groupid=0, jobs=4): err= 0: pid=1793288: Fri Mar 3 14:31:06 2023
  12. read: IOPS=5, BW=8757KiB/s (8967kB/s)(740MiB/86533msec)
  13. slat (usec): min=23, max=123, avg=45.38, stdev=11.40
  14. clat (msec): min=2462, max=57018, avg=30157.59, stdev=11825.76
  15. lat (msec): min=2462, max=57018, avg=30157.68, stdev=11825.71
  16. clat percentiles (msec):
  17. | 1.00th=[ 3406], 5.00th=[ 7349], 10.00th=[12550], 20.00th=[17113],
  18. | 30.00th=[17113], 40.00th=[17113], 50.00th=[17113], 60.00th=[17113],
  19. | 70.00th=[17113], 80.00th=[17113], 90.00th=[17113], 95.00th=[17113],
  20. | 99.00th=[17113], 99.50th=[17113], 99.90th=[17113], 99.95th=[17113],
  21. | 99.99th=[17113]
  22. bw ( KiB/s): min= 8084, max=34848, per=100.00%, avg=10646.34, stdev=1330.54, samples=376
  23. iops : min= 6, max= 34, avg=10.31, stdev= 1.31, samples=376
  24. lat (msec) : >=2000=151.64%
  25. cpu : usr=0.00%, sys=0.01%, ctx=742, majf=0, minf=233
  26. IO depths : 1=0.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=100.0%
  27. submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  28. complete : 0=0.0%, 4=99.2%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.8%, >=64=0.0%
  29. issued rwts: total=488,0,0,0 short=0,0,0,0 dropped=0,0,0,0
  30. latency : target=0, window=0, percentile=100.00%, depth=64
  31.  
  32. Run status group 0 (all jobs):
  33. READ: bw=8757KiB/s (8967kB/s), 8757KiB/s-8757KiB/s (8967kB/s-8967kB/s), io=740MiB (776MB), run=86533-86533msec
  34.  
  35. Disk stats (read/write):
  36. nvme0n1: ios=1175/90, merge=0/92, ticks=27046598/694, in_queue=27047291, util=93.43%
  37.  
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