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ARC stats (starting to overflow)

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Nov 19th, 2012
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  1. 4 1 0x01 77 3696 34399427559146 296387125152724
  2. name type data
  3. hits 4 834310803
  4. misses 4 196580317
  5. demand_data_hits 4 9961064
  6. demand_data_misses 4 46761
  7. demand_metadata_hits 4 792648258
  8. demand_metadata_misses 4 99427811
  9. prefetch_data_hits 4 7206
  10. prefetch_data_misses 4 9586669
  11. prefetch_metadata_hits 4 31694275
  12. prefetch_metadata_misses 4 87519076
  13. mru_hits 4 94319922
  14. mru_ghost_hits 4 3113243
  15. mfu_hits 4 717963230
  16. mfu_ghost_hits 4 9160707
  17. deleted 4 196034133
  18. recycle_miss 4 100761464
  19. mutex_miss 4 751343
  20. evict_skip 4 25421909912
  21. evict_l2_cached 4 2026280787968
  22. evict_l2_eligible 4 1172921374720
  23. evict_l2_ineligible 4 1527423134208
  24. hash_elements 4 3801825
  25. hash_elements_max 4 4059642
  26. hash_collisions 4 87212164
  27. hash_chains 4 521276
  28. hash_chain_max 4 25
  29. p 4 1795146271
  30. c 4 5368709120
  31. c_min 4 1610612736
  32. c_max 4 5368709120
  33. size 4 6101725632
  34. hdr_size 4 131960080
  35. data_size 4 3762156032
  36. other_size 4 1253496352
  37. anon_size 4 31456256
  38. anon_evict_data 4 0
  39. anon_evict_metadata 4 0
  40. mru_size 4 163778560
  41. mru_evict_data 4 524288
  42. mru_evict_metadata 4 606208
  43. mru_ghost_size 4 5204935168
  44. mru_ghost_evict_data 4 5204869632
  45. mru_ghost_evict_metadata 4 65536
  46. mfu_size 4 3566921216
  47. mfu_evict_data 4 0
  48. mfu_evict_metadata 4 8713216
  49. mfu_ghost_size 4 162820096
  50. mfu_ghost_evict_data 4 162754560
  51. mfu_ghost_evict_metadata 4 65536
  52. l2_hits 4 75247193
  53. l2_misses 4 121333105
  54. l2_feeds 4 240978
  55. l2_rw_clash 4 7111
  56. l2_read_bytes 4 1260712838144
  57. l2_write_bytes 4 69625408512
  58. l2_writes_sent 4 123217
  59. l2_writes_done 4 123217
  60. l2_writes_error 4 0
  61. l2_writes_hdr_miss 4 158
  62. l2_evict_lock_retry 4 0
  63. l2_evict_reading 4 0
  64. l2_free_on_write 4 157646
  65. l2_abort_lowmem 4 9579
  66. l2_cksum_bad 4 0
  67. l2_io_error 4 0
  68. l2_size 4 59017888256
  69. l2_hdr_size 4 1010237472
  70. memory_throttle_count 4 0
  71. memory_direct_count 4 33577140
  72. memory_indirect_count 4 509900
  73. arc_no_grow 4 0
  74. arc_tempreserve 4 2031616
  75. arc_loaned_bytes 4 0
  76. arc_prune 4 989205
  77. arc_meta_used 4 6090019776
  78. arc_meta_limit 4 3221225472
  79. arc_meta_max 4 6784008760
  80.  
  81.  
  82.  
  83. # cat /proc/meminfo
  84. MemTotal: 16448180 kB
  85. MemFree: 2817588 kB
  86. Buffers: 18936 kB
  87. Cached: 1129780 kB
  88. SwapCached: 0 kB
  89. Active: 500380 kB
  90. Inactive: 1135104 kB
  91. Active(anon): 463748 kB
  92. Inactive(anon): 23616 kB
  93. Active(file): 36632 kB
  94. Inactive(file): 1111488 kB
  95. Unevictable: 0 kB
  96. Mlocked: 0 kB
  97. SwapTotal: 2097148 kB
  98. SwapFree: 2097148 kB
  99. Dirty: 30272 kB
  100. Writeback: 0 kB
  101. AnonPages: 486832 kB
  102. Mapped: 15480 kB
  103. Shmem: 596 kB
  104. Slab: 2375536 kB
  105. SReclaimable: 128864 kB
  106. SUnreclaim: 2246672 kB
  107. KernelStack: 2264 kB
  108. PageTables: 13988 kB
  109. NFS_Unstable: 0 kB
  110. Bounce: 0 kB
  111. WritebackTmp: 0 kB
  112. CommitLimit: 10321236 kB
  113. Committed_AS: 1296484 kB
  114. VmallocTotal: 34359738367 kB
  115. VmallocUsed: 5657264 kB
  116. VmallocChunk: 34352979931 kB
  117. HardwareCorrupted: 0 kB
  118. AnonHugePages: 0 kB
  119. HugePages_Total: 0
  120. HugePages_Free: 0
  121. HugePages_Rsvd: 0
  122. HugePages_Surp: 0
  123. Hugepagesize: 2048 kB
  124. DirectMap4k: 9888 kB
  125. DirectMap2M: 16766976 kB
  126.  
  127.  
  128. === Drop caches ====
  129. MemTotal: 16448180 kB
  130. MemFree: 10727128 kB
  131. Buffers: 5308 kB
  132. Cached: 127460 kB
  133. SwapCached: 0 kB
  134. Active: 482044 kB
  135. Inactive: 137484 kB
  136. Active(anon): 463744 kB
  137. Inactive(anon): 23612 kB
  138. Active(file): 18300 kB
  139. Inactive(file): 113872 kB
  140. Unevictable: 0 kB
  141. Mlocked: 0 kB
  142. SwapTotal: 2097148 kB
  143. SwapFree: 2097148 kB
  144. Dirty: 44116 kB
  145. Writeback: 0 kB
  146. AnonPages: 486840 kB
  147. Mapped: 15480 kB
  148. Shmem: 596 kB
  149. Slab: 504276 kB
  150. SReclaimable: 9568 kB
  151. SUnreclaim: 494708 kB
  152. KernelStack: 2264 kB
  153. PageTables: 13992 kB
  154. NFS_Unstable: 0 kB
  155. Bounce: 0 kB
  156. WritebackTmp: 0 kB
  157. CommitLimit: 10321236 kB
  158. Committed_AS: 1296484 kB
  159. VmallocTotal: 34359738367 kB
  160. VmallocUsed: 2970132 kB
  161. VmallocChunk: 34352979931 kB
  162. HardwareCorrupted: 0 kB
  163. AnonHugePages: 0 kB
  164. HugePages_Total: 0
  165. HugePages_Free: 0
  166. HugePages_Rsvd: 0
  167. HugePages_Surp: 0
  168. Hugepagesize: 2048 kB
  169. DirectMap4k: 9888 kB
  170. DirectMap2M: 16766976 kB
  171.  
  172.  
  173. 4 1 0x01 77 3696 34399427559146 296487279371436
  174. name type data
  175. hits 4 834463984
  176. misses 4 196629350
  177. demand_data_hits 4 9967482
  178. demand_data_misses 4 48366
  179. demand_metadata_hits 4 792794426
  180. demand_metadata_misses 4 99447343
  181. prefetch_data_hits 4 7206
  182. prefetch_data_misses 4 9594689
  183. prefetch_metadata_hits 4 31694870
  184. prefetch_metadata_misses 4 87538952
  185. mru_hits 4 94333230
  186. mru_ghost_hits 4 3115193
  187. mfu_hits 4 718102986
  188. mfu_ghost_hits 4 9161888
  189. deleted 4 196345907
  190. recycle_miss 4 100796027
  191. mutex_miss 4 752261
  192. evict_skip 4 25429729417
  193. evict_l2_cached 4 2030083247616
  194. evict_l2_eligible 4 1173292621824
  195. evict_l2_ineligible 4 1528704710656
  196. hash_elements 4 3733016
  197. hash_elements_max 4 4059642
  198. hash_collisions 4 87228882
  199. hash_chains 4 520907
  200. hash_chain_max 4 25
  201. p 4 126296064
  202. c 4 1610612736
  203. c_min 4 1610612736
  204. c_max 4 5368709120
  205. size 4 1509221264
  206. hdr_size 4 67042848
  207. data_size 4 387562496
  208. other_size 4 47428208
  209. anon_size 4 19023872
  210. anon_evict_data 4 0
  211. anon_evict_metadata 4 0
  212. mru_size 4 23465984
  213. mru_evict_data 4 10616832
  214. mru_evict_metadata 4 7487488
  215. mru_ghost_size 4 1567081472
  216. mru_ghost_evict_data 4 1566884864
  217. mru_ghost_evict_metadata 4 196608
  218. mfu_size 4 345072640
  219. mfu_evict_data 4 189425152
  220. mfu_evict_metadata 4 144723456
  221. mfu_ghost_size 4 43483136
  222. mfu_ghost_evict_data 4 1966080
  223. mfu_ghost_evict_metadata 4 41517056
  224. l2_hits 4 75264622
  225. l2_misses 4 121364709
  226. l2_feeds 4 241040
  227. l2_rw_clash 4 7111
  228. l2_read_bytes 4 1261005303808
  229. l2_write_bytes 4 69633973760
  230. l2_writes_sent 4 123245
  231. l2_writes_done 4 123245
  232. l2_writes_error 4 0
  233. l2_writes_hdr_miss 4 158
  234. l2_evict_lock_retry 4 0
  235. l2_evict_reading 4 0
  236. l2_free_on_write 4 157715
  237. l2_abort_lowmem 4 9614
  238. l2_cksum_bad 4 0
  239. l2_io_error 4 0
  240. l2_size 4 59022024192
  241. l2_hdr_size 4 1066434048
  242. memory_throttle_count 4 0
  243. memory_direct_count 4 33707684
  244. memory_indirect_count 4 509900
  245. arc_no_grow 4 0
  246. arc_tempreserve 4 0
  247. arc_loaned_bytes 4 0
  248. arc_prune 4 989373
  249. arc_meta_used 4 1309048208
  250. arc_meta_limit 4 3221225472
  251. arc_meta_max 4 6784008760
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