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jimklimov

ARC on NFS server 2019-11-27

Nov 27th, 2019
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  1. # echo "::arc" | mdb -k
  2. hits = 160825984586
  3. misses = 413470882
  4. demand_data_hits = 775749301
  5. demand_data_misses = 19451313
  6. demand_metadata_hits = 145291926801
  7. demand_metadata_misses = 308198920
  8. prefetch_data_hits = 4028679
  9. prefetch_data_misses = 7615251
  10. prefetch_metadata_hits = 14754279805
  11. prefetch_metadata_misses = 78205398
  12. mru_hits = 462581657
  13. mru_ghost_hits = 3172434
  14. mfu_hits = 160305606987
  15. mfu_ghost_hits = 64524255
  16. deleted = 70971057
  17. mutex_miss = 234347
  18. access_skip = 105
  19. evict_skip = 5106236
  20. evict_not_enough = 38506
  21. evict_l2_cached = 2434932 MB
  22. evict_l2_eligible = 1671163 MB
  23. evict_l2_ineligible = 487582 MB
  24. evict_l2_skip = 1154
  25. hash_elements = 3608573
  26. hash_elements_max = 6052324
  27. hash_collisions = 158796177
  28. hash_chains = 1075722
  29. hash_chain_max = 16
  30. p = 3577 MB
  31. c = 7711 MB
  32. c_min = 1884 MB
  33. c_max = 15075 MB
  34. size = 7077 MB
  35. compressed_size = 4034 MB
  36. uncompressed_size = 19972 MB
  37. overhead_size = 2209 MB
  38. hdr_size = 170 MB
  39. data_size = 2652 MB
  40. metadata_size = 3519 MB
  41. other_size = 381 MB
  42. anon_size = 14 MB
  43. anon_evictable_data = 0 MB
  44. anon_evictable_metadata = 0 MB
  45. mru_size = 3214 MB
  46. mru_evictable_data = 2647 MB
  47. mru_evictable_metadata = 518 MB
  48. mru_ghost_size = 2716 MB
  49. mru_ghost_evictable_data = 2014 MB
  50. mru_ghost_evictable_metadata = 701 MB
  51. mfu_size = 2943 MB
  52. mfu_evictable_data = 0 MB
  53. mfu_evictable_metadata = 502 MB
  54. mfu_ghost_size = 4390 MB
  55. mfu_ghost_evictable_data = 0 MB
  56. mfu_ghost_evictable_metadata = 4390 MB
  57. l2_hits = 29696193
  58. l2_misses = 383774661
  59. l2_feeds = 1068851
  60. l2_rw_clash = 0
  61. l2_read_bytes = 132990 MB
  62. l2_write_bytes = 445136 MB
  63. l2_writes_sent = 184884
  64. l2_writes_done = 184884
  65. l2_writes_error = 0
  66. l2_writes_lock_retry = 758
  67. l2_evict_lock_retry = 327
  68. l2_evict_reading = 2
  69. l2_evict_l1cached = 221108
  70. l2_free_on_write = 27714
  71. l2_abort_lowmem = 505
  72. l2_cksum_bad = 0
  73. l2_io_error = 0
  74. l2_size = 212283 MB
  75. l2_asize = 160554 MB
  76. l2_hdr_size = 229 MB
  77. memory_throttle_count = 202
  78. arc_meta_used = 4425 MB
  79. arc_meta_limit = 3768 MB
  80. arc_meta_max = 6813 MB
  81. arc_meta_min = 942 MB
  82. async_upgrade_sync = 2319327
  83. demand_hit_predictive_prefetch = 14056576
  84. demand_hit_prescient_prefetch = 18732825
  85. arc_no_grow = 0
  86. arc_tempreserve = 0 MB
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