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Jan 14th, 2014
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  1. zfs-stats -a
  2.  
  3. ------------------------------------------------------------------------
  4. ZFS Subsystem Report Tue Jan 14 14:05:20 2014
  5. ------------------------------------------------------------------------
  6.  
  7. System Information:
  8.  
  9. Kernel Version: 902001 (osreldate)
  10. Hardware Platform: amd64
  11. Processor Architecture: amd64
  12.  
  13. ZFS Storage pool Version: 5000
  14. ZFS Filesystem Version: 5
  15.  
  16. FreeBSD 9.2-RELEASE #0 r255898: Thu Sep 26 22:50:31 UTC 2013 root
  17. 2:05PM up 5:54, 1 user, load averages: 0.24, 0.15, 0.10
  18.  
  19. ------------------------------------------------------------------------
  20.  
  21. System Memory:
  22.  
  23. 6.30% 497.14 MiB Active, 9.03% 712.23 MiB Inact
  24. 80.29% 6.18 GiB Wired, 0.00% 376.00 KiB Cache
  25. 4.36% 344.05 MiB Free, 0.02% 1.22 MiB Gap
  26.  
  27. Real Installed: 8.00 GiB
  28. Real Available: 99.59% 7.97 GiB
  29. Real Managed: 96.68% 7.70 GiB
  30.  
  31. Logical Total: 8.00 GiB
  32. Logical Used: 87.10% 6.97 GiB
  33. Logical Free: 12.90% 1.03 GiB
  34.  
  35. Kernel Memory: 5.50 GiB
  36. Data: 99.56% 5.48 GiB
  37. Text: 0.44% 24.73 MiB
  38.  
  39. Kernel Memory Map: 7.39 GiB
  40. Size: 69.92% 5.17 GiB
  41. Free: 30.08% 2.22 GiB
  42.  
  43. ------------------------------------------------------------------------
  44.  
  45. ARC Summary: (HEALTHY)
  46. Memory Throttle Count: 0
  47.  
  48. ARC Misc:
  49. Deleted: 11
  50. Recycle Misses: 42.58k
  51. Mutex Misses: 10
  52. Evict Skips: 9.46k
  53.  
  54. ARC Size: 80.51% 5.40 GiB
  55. Target Size: (Adaptive) 80.52% 5.40 GiB
  56. Min Size (Hard Limit): 12.50% 857.99 MiB
  57. Max Size (High Water): 8:1 6.70 GiB
  58.  
  59. ARC Size Breakdown:
  60. Recently Used Cache Size: 60.05% 3.24 GiB
  61. Frequently Used Cache Size: 39.95% 2.16 GiB
  62.  
  63. ARC Hash Breakdown:
  64. Elements Max: 328.04k
  65. Elements Current: 99.99% 328.00k
  66. Collisions: 975.78k
  67. Chain Max: 13
  68. Chains: 93.64k
  69.  
  70. ------------------------------------------------------------------------
  71.  
  72. ARC Efficiency: 6.28m
  73. Cache Hit Ratio: 91.77% 5.76m
  74. Cache Miss Ratio: 8.23% 516.75k
  75. Actual Hit Ratio: 87.20% 5.48m
  76.  
  77. Data Demand Efficiency: 98.12% 2.20m
  78. Data Prefetch Efficiency: 2.37% 19.29k
  79.  
  80. CACHE HITS BY CACHE LIST:
  81. Anonymously Used: 0.93% 53.37k
  82. Most Recently Used: 17.43% 1.00m
  83. Most Frequently Used: 77.59% 4.47m
  84. Most Recently Used Ghost: 0.69% 39.65k
  85. Most Frequently Used Ghost: 3.36% 193.98k
  86.  
  87. CACHE HITS BY DATA TYPE:
  88. Demand Data: 37.44% 2.16m
  89. Prefetch Data: 0.01% 458
  90. Demand Metadata: 57.58% 3.32m
  91. Prefetch Metadata: 4.97% 286.55k
  92.  
  93. CACHE MISSES BY DATA TYPE:
  94. Demand Data: 8.01% 41.41k
  95. Prefetch Data: 3.64% 18.83k
  96. Demand Metadata: 49.36% 255.06k
  97. Prefetch Metadata: 38.98% 201.45k
  98.  
  99. ------------------------------------------------------------------------
  100.  
  101. L2ARC is disabled
  102.  
  103. ------------------------------------------------------------------------
  104.  
  105. File-Level Prefetch: (HEALTHY)
  106.  
  107. DMU Efficiency: 29.01m
  108. Hit Ratio: 78.99% 22.92m
  109. Miss Ratio: 21.01% 6.09m
  110.  
  111. Colinear: 6.09m
  112. Hit Ratio: 0.01% 497
  113. Miss Ratio: 99.99% 6.09m
  114.  
  115. Stride: 22.81m
  116. Hit Ratio: 99.98% 22.80m
  117. Miss Ratio: 0.02% 3.95k
  118.  
  119. DMU Misc:
  120. Reclaim: 6.09m
  121. Successes: 1.48% 90.11k
  122. Failures: 98.52% 6.00m
  123.  
  124. Streams: 113.86k
  125. +Resets: 0.54% 618
  126. -Resets: 99.46% 113.24k
  127. Bogus: 0
  128.  
  129. ------------------------------------------------------------------------
  130.  
  131. VDEV cache is disabled
  132.  
  133. ------------------------------------------------------------------------
  134.  
  135. ZFS Tunables (sysctl):
  136. kern.maxusers 384
  137. vm.kmem_size 8271069184
  138. vm.kmem_size_scale 1
  139. vm.kmem_size_min 0
  140. vm.kmem_size_max 329853485875
  141. vfs.zfs.l2c_only_size 0
  142. vfs.zfs.mfu_ghost_data_lsize 624087040
  143. vfs.zfs.mfu_ghost_metadata_lsize 385360896
  144. vfs.zfs.mfu_ghost_size 1009447936
  145. vfs.zfs.mfu_data_lsize 1858444288
  146. vfs.zfs.mfu_metadata_lsize 185928704
  147. vfs.zfs.mfu_size 2290706432
  148. vfs.zfs.mru_ghost_data_lsize 886174720
  149. vfs.zfs.mru_ghost_metadata_lsize 1473837568
  150. vfs.zfs.mru_ghost_size 2360012288
  151. vfs.zfs.mru_data_lsize 2135578112
  152. vfs.zfs.mru_metadata_lsize 571270656
  153. vfs.zfs.mru_size 3241705984
  154. vfs.zfs.anon_data_lsize 0
  155. vfs.zfs.anon_metadata_lsize 0
  156. vfs.zfs.anon_size 1437184
  157. vfs.zfs.l2arc_norw 1
  158. vfs.zfs.l2arc_feed_again 1
  159. vfs.zfs.l2arc_noprefetch 1
  160. vfs.zfs.l2arc_feed_min_ms 200
  161. vfs.zfs.l2arc_feed_secs 1
  162. vfs.zfs.l2arc_headroom 2
  163. vfs.zfs.l2arc_write_boost 8388608
  164. vfs.zfs.l2arc_write_max 8388608
  165. vfs.zfs.arc_meta_limit 1799331840
  166. vfs.zfs.arc_meta_used 1799339560
  167. vfs.zfs.arc_min 899665920
  168. vfs.zfs.arc_max 7197327360
  169. vfs.zfs.dedup.prefetch 1
  170. vfs.zfs.mdcomp_disable 0
  171. vfs.zfs.nopwrite_enabled 1
  172. vfs.zfs.write_limit_override 0
  173. vfs.zfs.write_limit_inflated 25665306624
  174. vfs.zfs.write_limit_max 1069387776
  175. vfs.zfs.write_limit_min 33554432
  176. vfs.zfs.write_limit_shift 3
  177. vfs.zfs.no_write_throttle 0
  178. vfs.zfs.zfetch.array_rd_sz 1048576
  179. vfs.zfs.zfetch.block_cap 256
  180. vfs.zfs.zfetch.min_sec_reap 2
  181. vfs.zfs.zfetch.max_streams 8
  182. vfs.zfs.prefetch_disable 0
  183. vfs.zfs.no_scrub_prefetch 0
  184. vfs.zfs.no_scrub_io 0
  185. vfs.zfs.resilver_min_time_ms 3000
  186. vfs.zfs.free_min_time_ms 1000
  187. vfs.zfs.scan_min_time_ms 1000
  188. vfs.zfs.scan_idle 50
  189. vfs.zfs.scrub_delay 4
  190. vfs.zfs.resilver_delay 2
  191. vfs.zfs.top_maxinflight 32
  192. vfs.zfs.write_to_degraded 0
  193. vfs.zfs.mg_alloc_failures 12
  194. vfs.zfs.check_hostid 1
  195. vfs.zfs.deadman_enabled 1
  196. vfs.zfs.deadman_synctime 1000
  197. vfs.zfs.recover 0
  198. vfs.zfs.txg.synctime_ms 1000
  199. vfs.zfs.txg.timeout 5
  200. vfs.zfs.vdev.cache.bshift 16
  201. vfs.zfs.vdev.cache.size 0
  202. vfs.zfs.vdev.cache.max 16384
  203. vfs.zfs.vdev.trim_on_init 1
  204. vfs.zfs.vdev.write_gap_limit 4096
  205. vfs.zfs.vdev.read_gap_limit 32768
  206. vfs.zfs.vdev.aggregation_limit 131072
  207. vfs.zfs.vdev.ramp_rate 2
  208. vfs.zfs.vdev.time_shift 29
  209. vfs.zfs.vdev.min_pending 4
  210. vfs.zfs.vdev.max_pending 10
  211. vfs.zfs.vdev.bio_delete_disable 0
  212. vfs.zfs.vdev.bio_flush_disable 0
  213. vfs.zfs.vdev.trim_max_pending 64
  214. vfs.zfs.vdev.trim_max_bytes 2147483648
  215. vfs.zfs.cache_flush_disable 0
  216. vfs.zfs.zil_replay_disable 0
  217. vfs.zfs.sync_pass_rewrite 2
  218. vfs.zfs.sync_pass_dont_compress 5
  219. vfs.zfs.sync_pass_deferred_free 2
  220. vfs.zfs.zio.use_uma 0
  221. vfs.zfs.snapshot_list_prefetch 0
  222. vfs.zfs.version.ioctl 3
  223. vfs.zfs.version.zpl 5
  224. vfs.zfs.version.spa 5000
  225. vfs.zfs.version.acl 1
  226. vfs.zfs.debug 0
  227. vfs.zfs.super_owner 0
  228. vfs.zfs.trim.enabled 1
  229. vfs.zfs.trim.max_interval 1
  230. vfs.zfs.trim.timeout 30
  231. vfs.zfs.trim.txg_delay 32
  232.  
  233. ------------------------------------------------------------------------
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