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  1. ./xdd -op write -reqsize 262144 -kbytes 17920000 -dio -queuedepth 2 -blocksize 1024 -verbose -targets 1 /dev/md0
  2. T Q Bytes Ops Time Rate IOPS Latency %CPU
  3. TARGET PASS0001 0 2 18350080000 70 43.299 423.798 1.62 0.6186 8.60
  4. TARGET Average 0 2 18350080000 70 43.299 423.798 1.62 0.6186 8.60
  5. Combined 1 2 18350080000 70 43.299 423.798 1.62 0.6186 8.60
  6.  
  7. ./xdd -op write -reqsize 262144 -kbytes 17920000 -dio -queuedepth 4 -blocksize 512 -verbose -targets 1 /dev/md0
  8. T Q Bytes Ops Time Rate IOPS Latency %CPU
  9. TARGET PASS0001 0 4 18350080000 140 45.256 405.473 3.09 0.3233 19.09
  10. TARGET Average 0 4 18350080000 140 45.256 405.473 3.09 0.3233 19.09
  11. Combined 1 4 18350080000 140 45.256 405.473 3.09 0.3233 19.09
  12. ./xdd -op write -reqsize 262144 -kbytes 17920000 -dio -queuedepth 3 -blocksize 768 -verbose -targets 1 /dev/md0
  13. T Q Bytes Ops Time Rate IOPS Latency %CPU
  14. TARGET PASS0001 0 3 18350078976 93 45.619 402.247 2.04 0.4905 14.21
  15. TARGET Average 0 3 18350078976 93 45.619 402.247 2.04 0.4905 14.21
  16. Combined 1 3 18350078976 93 45.619 402.247 2.04 0.4905 14.21
  17. ./xdd -op write -reqsize 196608 -kbytes 17920000 -dio -queuedepth 3 -blocksize 1024 -verbose -targets 1 /dev/md0
  18. T Q Bytes Ops Time Rate IOPS Latency %CPU
  19. TARGET PASS0001 0 3 18350078976 93 45.684 401.670 2.04 0.4912 14.50
  20. TARGET Average 0 3 18350078976 93 45.684 401.670 2.04 0.4912 14.50
  21. Combined 1 3 18350078976 93 45.684 401.670 2.04 0.4912 14.50
  22.  
  23. ./xdd -op write -reqsize 311296 -kbytes 17920000 -dio -queuedepth 2 -blocksize 1024 -verbose -targets 1 /dev/md0
  24. T Q Bytes Ops Time Rate IOPS Latency %CPU
  25. TARGET PASS0001 0 2 18350080000 58 45.741 401.174 1.27 0.7886 8.20
  26. TARGET Average 0 2 18350080000 58 45.741 401.174 1.27 0.7886 8.20
  27. Combined 1 2 18350080000 58 45.741 401.174 1.27 0.7886 8.20
  28. ./xdd -op read -reqsize 262144 -kbytes 17920000 -dio -queuedepth 4 -blocksize 512 -verbose -targets 1 /dev/md0
  29. T Q Bytes Ops Time Rate IOPS Latency %CPU
  30. TARGET PASS0001 0 4 18350080000 140 53.911 340.378 2.60 0.3851 28.28
  31. TARGET Average 0 4 18350080000 140 53.911 340.378 2.60 0.3851 28.28
  32. Combined 1 4 18350080000 140 53.911 340.378 2.60 0.3851 28.28
  33. ./xdd -op read -reqsize 294912 -kbytes 17920000 -dio -queuedepth 2 -blocksize 1024 -verbose -targets 1 /dev/md0
  34. T Q Bytes Ops Time Rate IOPS Latency %CPU
  35. TARGET PASS0001 0 2 18350080000 62 52.858 347.161 1.17 0.8525 13.66
  36. TARGET Average 0 2 18350080000 62 52.858 347.161 1.17 0.8525 13.66
  37. Combined 1 2 18350080000 62 52.858 347.161 1.17 0.8525 13.66
  38. ./xdd -rwratio 50 -reqsize 262144 -kbytes 17920000 -dio -queuedepth 2 -blocksize 1024 -verbose -targets 1 /dev/md0
  39. T Q Bytes Ops Time Rate IOPS Latency %CPU
  40. TARGET PASS0001 0 2 18350080000 70 49.060 374.033 1.43 0.7009 10.65
  41. TARGET Average 0 2 18350080000 70 49.060 374.033 1.43 0.7009 10.65
  42. Combined 1 2 18350080000 70 49.060 374.033 1.43 0.7009 10.65
  43. ./xdd -rwratio 50 -reqsize 262144 -kbytes 17920000 -dio -queuedepth 4 -blocksize 512 -verbose -targets 1 /dev/md0
  44. T Q Bytes Ops Time Rate IOPS Latency %CPU
  45. TARGET PASS0001 0 4 18350080000 140 36.474 503.094 3.84 0.2605 23.37
  46. TARGET Average 0 4 18350080000 140 36.474 503.094 3.84 0.2605 23.37
  47. Combined 1 4 18350080000 140 36.474 503.094 3.84 0.2605 23.37
  48.  
  49. ./xdd -rwratio 50 -reqsize 262144 -kbytes 17920000 -dio -queuedepth 3 -blocksize 768 -verbose -targets 1 /dev/md0
  50. T Q Bytes Ops Time Rate IOPS Latency %CPU
  51. TARGET PASS0001 0 3 18350078976 93 36.148 507.637 2.57 0.3887 17.44
  52. TARGET Average 0 3 18350078976 93 36.148 507.637 2.57 0.3887 17.44
  53. Combined 1 3 18350078976 93 36.148 507.637 2.57 0.3887 17.44
  54. ./xdd -rwratio 50 -reqsize 196608 -kbytes 17920000 -dio -queuedepth 3 -blocksize 1024 -verbose -targets 1 /dev/md0
  55. T Q Bytes Ops Time Rate IOPS Latency %CPU
  56. TARGET PASS0001 0 3 18350078976 93 36.672 500.385 2.54 0.3943 18.46
  57. TARGET Average 0 3 18350078976 93 36.672 500.385 2.54 0.3943 18.46
  58. Combined 1 3 18350078976 93 36.672 500.385 2.54 0.3943 18.46
  59. ./xdd -rwratio 50 -reqsize 311296 -kbytes 17920000 -dio -queuedepth 2 -blocksize 1024 -verbose -targets 1 /dev/md0
  60. T Q Bytes Ops Time Rate IOPS Latency %CPU
  61. TARGET PASS0001 0 2 18350080000 58 35.607 515.345 1.63 0.6139 11.68
  62. TARGET Average 0 2 18350080000 58 35.607 515.345 1.63 0.6139 11.68
  63. Combined 1 2 18350080000 58 35.607 515.345 1.63 0.6139 11.68
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