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test result - mdadm ext4 vs btrfs, fio ssd-test 4k and 256k

peetaur
Oct 30th, 2012
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  1. Test results using fio and "ssd-test" with time set to 10s and block size changed to 256k.
  2. mdadm tests are done after the automatic first 'sync' is complete.
  3. 3.7.0-rc2
  4.  
  5. setup(fs raidLevel numberOfDisks), testtype, bandwidth KBps, iops
  6.  
  7. btrfs raid0 2, seq-read, 157903, 616
  8. btrfs raid0 2, rand-read, 35923, 140
  9. btrfs raid0 2, seq-write, 151256, 590
  10. btrfs raid0 2, rand-write, 148939, 581
  11. btrfs raid0 3, seq-read, 222609, 869
  12. btrfs raid0 3, rand-read, 38444, 150
  13. btrfs raid0 3, seq-write, 229083, 894
  14. btrfs raid0 3, rand-write, 215435, 841
  15. btrfs raid0 4, seq-read, 290085, 1133
  16. btrfs raid0 4, rand-read, 38656, 151
  17. btrfs raid0 4, seq-write, 317028, 1238
  18. btrfs raid0 4, rand-write, 312933, 1222
  19. btrfs raid1 2, seq-read, 79627, 311
  20. btrfs raid1 2, rand-read, 28874, 112
  21. btrfs raid1 2, seq-write, 71809, 280
  22. btrfs raid1 2, rand-write, 72484, 283
  23. btrfs raid10 4, seq-read, 150147, 586
  24. btrfs raid10 4, rand-read, 35249, 137
  25. btrfs raid10 4, seq-write, 144023, 562
  26. btrfs raid10 4, rand-write, 145282, 567
  27. btrfs single 1, seq-read, 61892, 241
  28. btrfs single 1, rand-read, 27574, 107
  29. btrfs single 1, seq-write, 78407, 306
  30. btrfs single 1, rand-write, 74690, 291
  31. btrfs single 2, seq-read, 81045, 316
  32. btrfs single 2, rand-read, 29988, 117
  33. btrfs single 2, seq-write, 64851, 253
  34. btrfs single 2, rand-write, 64825, 253
  35. btrfs single 3, seq-read, 81626, 318
  36. btrfs single 3, rand-read, 30086, 117
  37. btrfs single 3, seq-write, 76618, 299
  38. btrfs single 3, rand-write, 75816, 296
  39. btrfs single 4, seq-read, 80503, 314
  40. btrfs single 4, rand-read, 29148, 113
  41. btrfs single 4, seq-write, 76106, 297
  42. btrfs single 4, rand-write, 77124, 301
  43. mdadm ext4 raid0 2, seq-read, 116962, 456
  44. mdadm ext4 raid0 2, rand-read, 46642, 182
  45. mdadm ext4 raid0 2, seq-write, 107225, 418
  46. mdadm ext4 raid0 2, rand-write, 55188, 215
  47. mdadm ext4 raid0 3, seq-read, 158637, 619
  48. mdadm ext4 raid0 3, rand-read, 63499, 248
  49. mdadm ext4 raid0 3, seq-write, 169959, 663
  50. mdadm ext4 raid0 3, rand-write, 90966, 355
  51. mdadm ext4 raid0 4, seq-read, 194307, 759
  52. mdadm ext4 raid0 4, rand-read, 70400, 275
  53. mdadm ext4 raid0 4, seq-write, 277131, 1082
  54. mdadm ext4 raid0 4, rand-write, 120778, 471
  55. mdadm ext4 raid1 2, seq-read, 78437, 306
  56. mdadm ext4 raid1 2, rand-read, 55351, 216
  57. mdadm ext4 raid1 2, seq-write, 77605, 303
  58. mdadm ext4 raid1 2, rand-write, 30204, 117
  59. mdadm ext4 raid10 4, seq-read, 149817, 585
  60. mdadm ext4 raid10 4, rand-read, 83540, 326
  61. mdadm ext4 raid10 4, seq-write, 106722, 416
  62. mdadm ext4 raid10 4, rand-write, 49979, 195
  63. mdadm ext4 raid10-far 2, seq-read, 115445, 450
  64. mdadm ext4 raid10-far 2, rand-read, 43194, 168
  65. mdadm ext4 raid10-far 2, seq-write, 59971, 234
  66. mdadm ext4 raid10-far 2, rand-write, 25419, 99
  67. mdadm ext4 raid10-far 3, seq-read, 147021, 574
  68. mdadm ext4 raid10-far 3, rand-read, 63459, 247
  69. mdadm ext4 raid10-far 3, seq-write, 89082, 347
  70. mdadm ext4 raid10-far 3, rand-write, 38008, 148
  71. mdadm ext4 raid10-far 4, seq-read, 184007, 718
  72. mdadm ext4 raid10-far 4, rand-read, 71923, 280
  73. mdadm ext4 raid10-far 4, seq-write, 133333, 520
  74. mdadm ext4 raid10-far 4, rand-write, 49646, 193
  75. mdadm ext4 single 1, seq-read, 76475, 298
  76. mdadm ext4 single 1, rand-read, 30623, 119
  77. mdadm ext4 single 1, seq-write, 78138, 305
  78. mdadm ext4 single 1, rand-write, 27034, 105
  79.  
  80.  
  81.  
  82.  
  83. Test results using fio and "ssd-test" with time set to 10s and block size changed to 4k.
  84. mdadm tests are done after the automatic first 'sync' is complete.
  85.  
  86. setup(fs raidLevel numberOfDisks), testtype, bandwidth KBps, iops
  87.  
  88. btrfs raid0 2, seq-read, 38302, 9575
  89. btrfs raid0 2, rand-read, 1289.2, 322
  90. btrfs raid0 2, seq-write, 32889, 8222
  91. btrfs raid0 2, rand-write, 31615, 7903
  92. btrfs raid0 3, seq-read, 37203, 9300
  93. btrfs raid0 3, rand-read, 1668.8, 417
  94. btrfs raid0 3, seq-write, 35836, 8958
  95. btrfs raid0 3, rand-write, 34812, 8703
  96. btrfs raid0 4, seq-read, 43161, 10790
  97. btrfs raid0 4, rand-read, 1960.4, 490
  98. btrfs raid0 4, seq-write, 41416, 10353
  99. btrfs raid0 4, rand-write, 43070, 10767
  100. btrfs raid1 2, seq-read, 42428, 10607
  101. btrfs raid1 2, rand-read, 880, 214
  102. btrfs raid1 2, seq-write, 31920, 7980
  103. btrfs raid1 2, rand-write, 31629, 7907
  104. btrfs raid10 4, seq-read, 36874, 9218
  105. btrfs raid10 4, rand-read, 1291.1, 322
  106. btrfs raid10 4, seq-write, 30885, 7721
  107. btrfs raid10 4, rand-write, 31068, 7766
  108. btrfs single 1, seq-read, 39705, 9926
  109. btrfs single 1, rand-read, 829, 202
  110. btrfs single 1, seq-write, 33706, 8426
  111. btrfs single 1, rand-write, 31459, 7864
  112. btrfs single 2, seq-read, 42419, 10604
  113. btrfs single 2, rand-read, 847, 206
  114. btrfs single 2, seq-write, 33690, 8422
  115. btrfs single 2, rand-write, 28857, 7214
  116. btrfs single 3, seq-read, 42166, 10541
  117. btrfs single 3, rand-read, 856, 209
  118. btrfs single 3, seq-write, 32206, 8051
  119. btrfs single 3, rand-write, 33756, 8439
  120. btrfs single 4, seq-read, 42481, 10620
  121. btrfs single 4, rand-read, 848, 207
  122. btrfs single 4, seq-write, 30969, 7742
  123. btrfs single 4, rand-write, 29872, 7467
  124. mdadm ext4 raid0 2, seq-read, 36532, 9133
  125. mdadm ext4 raid0 2, rand-read, 1219.1, 304
  126. mdadm ext4 raid0 2, seq-write, 33846, 8461
  127. mdadm ext4 raid0 2, rand-write, 1642.3, 410
  128. mdadm ext4 raid0 3, seq-read, 35231, 8807
  129. mdadm ext4 raid0 3, rand-read, 1620.2, 405
  130. mdadm ext4 raid0 3, seq-write, 35033, 8758
  131. mdadm ext4 raid0 3, rand-write, 2203.3, 550
  132. mdadm ext4 raid0 4, seq-read, 35537, 8884
  133. mdadm ext4 raid0 4, rand-read, 1806.8, 451
  134. mdadm ext4 raid0 4, seq-write, 35009, 8752
  135. mdadm ext4 raid0 4, rand-write, 2755.7, 688
  136. mdadm ext4 raid1 2, seq-read, 42149, 10537
  137. mdadm ext4 raid1 2, rand-read, 1415.6, 353
  138. mdadm ext4 raid1 2, seq-write, 28996, 7249
  139. mdadm ext4 raid1 2, rand-write, 856, 209
  140. mdadm ext4 raid10 4, seq-read, 52312, 13077
  141. mdadm ext4 raid10 4, rand-read, 2099.6, 524
  142. mdadm ext4 raid10 4, seq-write, 32131, 8032
  143. mdadm ext4 raid10 4, rand-write, 1486.5, 371
  144. mdadm ext4 raid10-far 2, seq-read, 35974, 8993
  145. mdadm ext4 raid10-far 2, rand-read, 1263.4, 315
  146. mdadm ext4 raid10-far 2, seq-write, 24791, 6197
  147. mdadm ext4 raid10-far 2, rand-write, 754, 184
  148. mdadm ext4 raid10-far 3, seq-read, 34919, 8729
  149. mdadm ext4 raid10-far 3, rand-read, 1686.4, 421
  150. mdadm ext4 raid10-far 3, seq-write, 25661, 6415
  151. mdadm ext4 raid10-far 3, rand-write, 1068.9, 267
  152. mdadm ext4 raid10-far 4, seq-read, 35661, 8915
  153. mdadm ext4 raid10-far 4, rand-read, 1887.6, 471
  154. mdadm ext4 raid10-far 4, seq-write, 28922, 7230
  155. mdadm ext4 raid10-far 4, rand-write, 1307.5, 326
  156. mdadm ext4 single 1, seq-read, 42631, 10657
  157. mdadm ext4 single 1, rand-read, 875, 213
  158. mdadm ext4 single 1, seq-write, 33393, 8348
  159. mdadm ext4 single 1, rand-write, 847, 206
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