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zfs-stats FreeBSD-CURRENT HP EliteBook 8570p

grahamperrin
Jun 24th, 2018
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  1. $ date ; uname -v
  2. Sun 24 Jun 2018 10:42:12 BST
  3. FreeBSD 12.0-CURRENT #5 r335024: Wed Jun 13 11:04:24 BST 2018 root@momh167-gjp4-hpelitebook8570p-freebsd:/usr/obj/usr/src/amd64.amd64/sys/GENERIC
  4. $ zfs-stats -a
  5.  
  6. ------------------------------------------------------------------------
  7. ZFS Subsystem Report Sun Jun 24 10:42:17 2018
  8. ------------------------------------------------------------------------
  9.  
  10. System Information:
  11.  
  12. Kernel Version: 1200068 (osreldate)
  13. Hardware Platform: amd64
  14. Processor Architecture: amd64
  15.  
  16. ZFS Storage pool Version: 5000
  17. ZFS Filesystem Version: 5
  18.  
  19. FreeBSD 12.0-CURRENT #5 r335024: Wed Jun 13 11:04:24 BST 2018 root
  20. 10:42a.m. up 4:53, 5 users, load averages: 2.22, 2.03, 1.95
  21.  
  22. ------------------------------------------------------------------------
  23.  
  24. System Memory:
  25.  
  26. 22.50% 3.48 GiB Active, 21.16% 3.27 GiB Inact
  27. 24.97% 3.86 GiB Wired, 0.00% 0 Cache
  28. 23.65% 3.66 GiB Free, 7.71% 1.19 GiB Gap
  29.  
  30. Real Installed: 16.00 GiB
  31. Real Available: 99.32% 15.89 GiB
  32. Real Managed: 97.33% 15.47 GiB
  33.  
  34. Logical Total: 16.00 GiB
  35. Logical Used: 56.68% 9.07 GiB
  36. Logical Free: 43.32% 6.93 GiB
  37.  
  38. Kernel Memory: 263.83 MiB
  39. Data: 83.91% 221.37 MiB
  40. Text: 16.09% 42.46 MiB
  41.  
  42. Kernel Memory Map: 15.47 GiB
  43. Size: 22.59% 3.49 GiB
  44. Free: 77.41% 11.97 GiB
  45.  
  46. ------------------------------------------------------------------------
  47.  
  48. ARC Summary: (HEALTHY)
  49. Memory Throttle Count: 0
  50.  
  51. ARC Misc:
  52. Deleted: 12.06k
  53. Recycle Misses: 0
  54. Mutex Misses: 10
  55. Evict Skips: 23
  56.  
  57. ARC Size: 99.29% 1.94 GiB
  58. Target Size: (Adaptive) 100.00% 1.95 GiB
  59. Min Size (Hard Limit): 24.75% 494.95 MiB
  60. Max Size (High Water): 4:1 1.95 GiB
  61.  
  62. ARC Size Breakdown:
  63. Recently Used Cache Size: 74.41% 1.45 GiB
  64. Frequently Used Cache Size: 25.59% 511.90 MiB
  65.  
  66. ARC Hash Breakdown:
  67. Elements Max: 108.18k
  68. Elements Current: 62.71% 67.84k
  69. Collisions: 33.21k
  70. Chain Max: 3
  71. Chains: 1.05k
  72.  
  73. ------------------------------------------------------------------------
  74.  
  75. ARC Efficiency: 29.37m
  76. Cache Hit Ratio: 94.78% 27.84m
  77. Cache Miss Ratio: 5.22% 1.53m
  78. Actual Hit Ratio: 94.53% 27.77m
  79.  
  80. Data Demand Efficiency: 91.94% 5.61m
  81. Data Prefetch Efficiency: 72.40% 31.26k
  82.  
  83. CACHE HITS BY CACHE LIST:
  84. Anonymously Used: 0.23% 64.82k
  85. Most Recently Used: 2.76% 769.57k
  86. Most Frequently Used: 96.97% 27.00m
  87. Most Recently Used Ghost: 0.02% 5.15k
  88. Most Frequently Used Ghost: 0.01% 3.81k
  89.  
  90. CACHE HITS BY DATA TYPE:
  91. Demand Data: 18.51% 5.15m
  92. Prefetch Data: 0.08% 22.63k
  93. Demand Metadata: 81.13% 22.59m
  94. Prefetch Metadata: 0.28% 76.90k
  95.  
  96. CACHE MISSES BY DATA TYPE:
  97. Demand Data: 29.48% 451.96k
  98. Prefetch Data: 0.56% 8.63k
  99. Demand Metadata: 69.13% 1.06m
  100. Prefetch Metadata: 0.83% 12.75k
  101.  
  102. ------------------------------------------------------------------------
  103.  
  104. L2ARC is disabled
  105.  
  106. ------------------------------------------------------------------------
  107.  
  108. File-Level Prefetch: (HEALTHY)
  109.  
  110. DMU Efficiency: 13.09m
  111. Hit Ratio: 1.64% 214.71k
  112. Miss Ratio: 98.36% 12.87m
  113.  
  114. Colinear: 0
  115. Hit Ratio: 100.00% 0
  116. Miss Ratio: 100.00% 0
  117.  
  118. Stride: 0
  119. Hit Ratio: 100.00% 0
  120. Miss Ratio: 100.00% 0
  121.  
  122. DMU Misc:
  123. Reclaim: 0
  124. Successes: 100.00% 0
  125. Failures: 100.00% 0
  126.  
  127. Streams: 0
  128. +Resets: 100.00% 0
  129. -Resets: 100.00% 0
  130. Bogus: 0
  131.  
  132. ------------------------------------------------------------------------
  133.  
  134. VDEV cache is disabled
  135.  
  136. ------------------------------------------------------------------------
  137.  
  138. ZFS Tunables (sysctl):
  139. kern.maxusers 1353
  140. vm.kmem_size 16607838208
  141. vm.kmem_size_scale 1
  142. vm.kmem_size_min 0
  143. vm.kmem_size_max 1319413950874
  144. vfs.zfs.trim.max_interval 1
  145. vfs.zfs.trim.timeout 30
  146. vfs.zfs.trim.txg_delay 32
  147. vfs.zfs.trim.enabled 1
  148. vfs.zfs.vol.immediate_write_sz 32768
  149. vfs.zfs.vol.unmap_sync_enabled 0
  150. vfs.zfs.vol.unmap_enabled 1
  151. vfs.zfs.vol.recursive 0
  152. vfs.zfs.vol.mode 1
  153. vfs.zfs.version.zpl 5
  154. vfs.zfs.version.spa 5000
  155. vfs.zfs.version.acl 1
  156. vfs.zfs.version.ioctl 7
  157. vfs.zfs.debug 0
  158. vfs.zfs.super_owner 0
  159. vfs.zfs.immediate_write_sz 32768
  160. vfs.zfs.sync_pass_rewrite 2
  161. vfs.zfs.sync_pass_dont_compress 5
  162. vfs.zfs.sync_pass_deferred_free 2
  163. vfs.zfs.zio.dva_throttle_enabled 1
  164. vfs.zfs.zio.exclude_metadata 0
  165. vfs.zfs.zio.use_uma 1
  166. vfs.zfs.zil_slog_bulk 786432
  167. vfs.zfs.cache_flush_disable 0
  168. vfs.zfs.zil_replay_disable 0
  169. vfs.zfs.standard_sm_blksz 131072
  170. vfs.zfs.dtl_sm_blksz 4096
  171. vfs.zfs.min_auto_ashift 12
  172. vfs.zfs.max_auto_ashift 13
  173. vfs.zfs.vdev.trim_max_pending 10000
  174. vfs.zfs.vdev.bio_delete_disable 0
  175. vfs.zfs.vdev.bio_flush_disable 0
  176. vfs.zfs.vdev.queue_depth_pct 1000
  177. vfs.zfs.vdev.write_gap_limit 4096
  178. vfs.zfs.vdev.read_gap_limit 32768
  179. vfs.zfs.vdev.aggregation_limit 1048576
  180. vfs.zfs.vdev.trim_max_active 64
  181. vfs.zfs.vdev.trim_min_active 1
  182. vfs.zfs.vdev.scrub_max_active 2
  183. vfs.zfs.vdev.scrub_min_active 1
  184. vfs.zfs.vdev.async_write_max_active 10
  185. vfs.zfs.vdev.async_write_min_active 1
  186. vfs.zfs.vdev.async_read_max_active 3
  187. vfs.zfs.vdev.async_read_min_active 1
  188. vfs.zfs.vdev.sync_write_max_active 10
  189. vfs.zfs.vdev.sync_write_min_active 10
  190. vfs.zfs.vdev.sync_read_max_active 10
  191. vfs.zfs.vdev.sync_read_min_active 10
  192. vfs.zfs.vdev.max_active 1000
  193. vfs.zfs.vdev.async_write_active_max_dirty_percent60
  194. vfs.zfs.vdev.async_write_active_min_dirty_percent30
  195. vfs.zfs.vdev.mirror.non_rotating_seek_inc1
  196. vfs.zfs.vdev.mirror.non_rotating_inc 0
  197. vfs.zfs.vdev.mirror.rotating_seek_offset1048576
  198. vfs.zfs.vdev.mirror.rotating_seek_inc 5
  199. vfs.zfs.vdev.mirror.rotating_inc 0
  200. vfs.zfs.vdev.trim_on_init 1
  201. vfs.zfs.vdev.cache.bshift 16
  202. vfs.zfs.vdev.cache.size 0
  203. vfs.zfs.vdev.cache.max 16384
  204. vfs.zfs.vdev.default_ms_shift 29
  205. vfs.zfs.vdev.min_ms_count 16
  206. vfs.zfs.vdev.max_ms_count 200
  207. vfs.zfs.txg.timeout 5
  208. vfs.zfs.spa_min_slop 134217728
  209. vfs.zfs.spa_slop_shift 5
  210. vfs.zfs.spa_asize_inflation 24
  211. vfs.zfs.deadman_enabled 1
  212. vfs.zfs.deadman_checktime_ms 5000
  213. vfs.zfs.deadman_synctime_ms 1000000
  214. vfs.zfs.debugflags 4294966750
  215. vfs.zfs.recover 0
  216. vfs.zfs.spa_load_verify_data 1
  217. vfs.zfs.spa_load_verify_metadata 1
  218. vfs.zfs.spa_load_verify_maxinflight 10000
  219. vfs.zfs.max_missing_tvds_scan 0
  220. vfs.zfs.max_missing_tvds_cachefile 2
  221. vfs.zfs.max_missing_tvds 0
  222. vfs.zfs.spa_load_print_vdev_tree 0
  223. vfs.zfs.ccw_retry_interval 300
  224. vfs.zfs.check_hostid 1
  225. vfs.zfs.reference_tracking_enable 0
  226. vfs.zfs.mg_fragmentation_threshold 85
  227. vfs.zfs.mg_noalloc_threshold 0
  228. vfs.zfs.condense_pct 200
  229. vfs.zfs.metaslab_sm_blksz 4096
  230. vfs.zfs.metaslab.bias_enabled 1
  231. vfs.zfs.metaslab.lba_weighting_enabled 1
  232. vfs.zfs.metaslab.fragmentation_factor_enabled1
  233. vfs.zfs.metaslab.preload_enabled 1
  234. vfs.zfs.metaslab.preload_limit 3
  235. vfs.zfs.metaslab.unload_delay 8
  236. vfs.zfs.metaslab.load_pct 50
  237. vfs.zfs.metaslab.min_alloc_size 33554432
  238. vfs.zfs.metaslab.df_free_pct 4
  239. vfs.zfs.metaslab.df_alloc_threshold 131072
  240. vfs.zfs.metaslab.debug_unload 0
  241. vfs.zfs.metaslab.debug_load 0
  242. vfs.zfs.metaslab.fragmentation_threshold70
  243. vfs.zfs.metaslab.force_ganging 16777217
  244. vfs.zfs.free_bpobj_enabled 1
  245. vfs.zfs.free_max_blocks -1
  246. vfs.zfs.zfs_scan_checkpoint_interval 7200
  247. vfs.zfs.zfs_scan_legacy 0
  248. vfs.zfs.no_scrub_prefetch 0
  249. vfs.zfs.no_scrub_io 0
  250. vfs.zfs.resilver_min_time_ms 3000
  251. vfs.zfs.free_min_time_ms 1000
  252. vfs.zfs.scan_min_time_ms 1000
  253. vfs.zfs.scan_idle 50
  254. vfs.zfs.scrub_delay 4
  255. vfs.zfs.resilver_delay 2
  256. vfs.zfs.top_maxinflight 32
  257. vfs.zfs.zfetch.array_rd_sz 1048576
  258. vfs.zfs.zfetch.max_idistance 67108864
  259. vfs.zfs.zfetch.max_distance 8388608
  260. vfs.zfs.zfetch.min_sec_reap 2
  261. vfs.zfs.zfetch.max_streams 8
  262. vfs.zfs.prefetch_disable 0
  263. vfs.zfs.delay_scale 500000
  264. vfs.zfs.delay_min_dirty_percent 60
  265. vfs.zfs.dirty_data_sync 67108864
  266. vfs.zfs.dirty_data_max_percent 10
  267. vfs.zfs.dirty_data_max_max 4294967296
  268. vfs.zfs.dirty_data_max 1706353049
  269. vfs.zfs.max_recordsize 1048576
  270. vfs.zfs.default_ibs 17
  271. vfs.zfs.default_bs 9
  272. vfs.zfs.send_holes_without_birth_time 1
  273. vfs.zfs.mdcomp_disable 0
  274. vfs.zfs.per_txg_dirty_frees_percent 30
  275. vfs.zfs.nopwrite_enabled 1
  276. vfs.zfs.dedup.prefetch 1
  277. vfs.zfs.dbuf_cache_lowater_pct 10
  278. vfs.zfs.dbuf_cache_hiwater_pct 10
  279. vfs.zfs.dbuf_cache_shift 5
  280. vfs.zfs.dbuf_cache_max_bytes 65536000
  281. vfs.zfs.arc_min_prescient_prefetch_ms 6
  282. vfs.zfs.arc_min_prfetch_ms 1
  283. vfs.zfs.l2c_only_size 0
  284. vfs.zfs.mfu_ghost_data_esize 1186541056
  285. vfs.zfs.mfu_ghost_metadata_esize 246469120
  286. vfs.zfs.mfu_ghost_size 1433010176
  287. vfs.zfs.mfu_data_esize 268929024
  288. vfs.zfs.mfu_metadata_esize 49152
  289. vfs.zfs.mfu_size 409254912
  290. vfs.zfs.mru_ghost_data_esize 382129664
  291. vfs.zfs.mru_ghost_metadata_esize 256243712
  292. vfs.zfs.mru_ghost_size 638373376
  293. vfs.zfs.mru_data_esize 1291432448
  294. vfs.zfs.mru_metadata_esize 211456
  295. vfs.zfs.mru_size 1450437632
  296. vfs.zfs.anon_data_esize 0
  297. vfs.zfs.anon_metadata_esize 0
  298. vfs.zfs.anon_size 98228224
  299. vfs.zfs.l2arc_norw 1
  300. vfs.zfs.l2arc_feed_again 1
  301. vfs.zfs.l2arc_noprefetch 1
  302. vfs.zfs.l2arc_feed_min_ms 200
  303. vfs.zfs.l2arc_feed_secs 1
  304. vfs.zfs.l2arc_headroom 2
  305. vfs.zfs.l2arc_write_boost 8388608
  306. vfs.zfs.l2arc_write_max 8388608
  307. vfs.zfs.arc_meta_limit 524288000
  308. vfs.zfs.arc_free_target 86433
  309. vfs.zfs.compressed_arc_enabled 1
  310. vfs.zfs.arc_grow_retry 60
  311. vfs.zfs.arc_shrink_shift 7
  312. vfs.zfs.arc_average_blocksize 8192
  313. vfs.zfs.arc_no_grow_shift 5
  314. vfs.zfs.arc_min 518994944
  315. vfs.zfs.arc_max 2097152000
  316. vfs.zfs.abd_chunk_size 4096
  317.  
  318. ------------------------------------------------------------------------
  319.  
  320. $
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