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Adlx
Feb 10th, 2012
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  1. alexb5
  2.  
  3. there is someth wrong on disk dev251-1 (dm-1), look at await and svctm: they are huge! and %util saturates at 100%, tht disk is clearly the bottleneck at that moment. (see comments at the end also)
  4.  
  5.  
  6.  
  7. 02:35:54 AM CPU %user %nice %system %iowait %steal %idle
  8. 02:35:59 AM all 7.64 0.00 0.50 78.34 0.00 13.52
  9. ^^^^^^
  10.  
  11. 02:32:48 AM DEV tps rd_sec/s wr_sec/s avgrq-sz avgqu-sz await svctm %util
  12. 02:32:53 AM dev8-0 133.60 10315.20 2275.20 94.24 2.33 17.43 7.49 100.00
  13. 02:32:53 AM dev8-16 14.20 6.40 13721.60 966.76 106.81 6867.04 70.42 100.00
  14. 02:32:53 AM dev9-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
  15. 02:32:53 AM dev9-1 446.00 10294.40 2275.20 28.18 0.00 0.00 0.00 0.00
  16. 02:32:53 AM dev251-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
  17. 02:32:53 AM dev251-1 446.00 10294.40 2275.20 28.18 13235.87 8272082542365509.00 2.24 100.00
  18.  
  19. 02:32:53 AM DEV tps rd_sec/s wr_sec/s avgrq-sz avgqu-sz await svctm %util
  20. 02:32:58 AM dev8-0 117.20 11425.60 0.00 97.49 2.36 20.12 8.53 100.00
  21. 02:32:58 AM dev8-16 15.20 8.00 14430.40 949.89 37.20 9467.37 65.79 100.00
  22. 02:32:58 AM dev9-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
  23. 02:32:58 AM dev9-1 155.00 11408.00 0.00 73.60 0.00 0.00 0.00 0.00
  24. 02:32:58 AM dev251-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
  25. 02:32:58 AM dev251-1 155.00 11408.00 0.00 73.60 4277.11 122325.21 6.45 100.00
  26.  
  27. 02:33:03 AM DEV tps rd_sec/s wr_sec/s avgrq-sz avgqu-sz await svctm %util
  28. 02:33:08 AM dev8-0 122.40 1080.00 20305.60 174.72 3.46 56.73 1.76 21.60
  29. 02:33:08 AM dev8-16 32.00 17.60 26475.20 827.90 59.32 1892.81 31.25 100.00
  30. 02:33:08 AM dev9-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
  31. 02:33:08 AM dev9-1 841.00 1080.00 5960.00 8.37 0.00 0.00 0.00 0.00
  32. 02:33:08 AM dev251-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
  33. 02:33:08 AM dev251-1 841.00 1080.00 5960.00 8.37 6562.22 8028.56 1.19 100.00
  34.  
  35. 02:33:48 AM DEV tps rd_sec/s wr_sec/s avgrq-sz avgqu-sz await svctm %util
  36. 02:33:53 AM dev8-0 18.20 0.00 11814.40 649.14 1.52 83.74 3.52 6.40
  37. 02:33:53 AM dev8-16 11.80 1.60 11878.40 1006.78 145.04 11846.95 84.75 100.00
  38. 02:33:53 AM dev9-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
  39. 02:33:53 AM dev9-1 0.20 1.60 0.00 8.00 0.00 0.00 0.00 0.00
  40. 02:33:53 AM dev251-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
  41. 02:33:53 AM dev251-1 0.20 1.60 0.00 8.00 53258.08 113585300.00 5000.00 100.00
  42.  
  43. 02:33:53 AM DEV tps rd_sec/s wr_sec/s avgrq-sz avgqu-sz await svctm %util
  44. 02:33:58 AM dev8-0 16.00 0.00 13107.20 819.20 1.53 95.50 4.88 7.80
  45. 02:33:58 AM dev8-16 11.80 1.60 11878.40 1006.78 144.78 12097.29 84.75 100.00
  46. 02:33:58 AM dev9-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
  47. 02:33:58 AM dev9-1 0.20 1.60 0.00 8.00 0.00 0.00 0.00 0.00
  48. 02:33:58 AM dev251-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
  49. 02:33:58 AM dev251-1 0.20 1.60 0.00 8.00 46127.06 148598310.00 5000.00 100.00
  50.  
  51. then, some minute later, still building, everything gets fine again (%util is now ~20%), await ~20 and svctm <.6. bulding fast as hell again! Weird!!
  52.  
  53. 02:43:10 AM DEV tps rd_sec/s wr_sec/s avgrq-sz avgqu-sz await svctm %util
  54. 02:43:15 AM dev8-0 29.80 316.80 2902.40 108.03 0.22 7.45 2.55 7.60
  55. 02:43:15 AM dev8-16 31.20 374.40 2902.40 105.03 0.34 11.03 6.41 20.00
  56. 02:43:15 AM dev9-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
  57. 02:43:15 AM dev9-1 391.40 691.20 2899.20 9.17 0.00 0.00 0.00 0.00
  58. 02:43:15 AM dev251-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
  59. 02:43:15 AM dev251-1 391.00 691.20 2899.20 9.18 7.34 18.77 0.56 21.80
  60.  
  61. 02:43:15 AM DEV tps rd_sec/s wr_sec/s avgrq-sz avgqu-sz await svctm %util
  62. 02:43:20 AM dev8-0 47.60 276.80 3958.40 88.97 0.96 20.17 2.14 10.20
  63. 02:43:20 AM dev8-16 46.20 310.40 3958.40 92.40 1.42 30.78 5.84 27.00
  64. 02:43:20 AM dev9-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
  65. 02:43:20 AM dev9-1 523.40 587.20 3955.20 8.68 0.00 0.00 0.00 0.00
  66. 02:43:20 AM dev251-0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
  67. 02:43:20 AM dev251-1 523.00 587.20 3955.20 8.69 11.73 22.42 0.55 29.00
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