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zfs-stats (http://www.freshports.org/sysutils/zfs-stats) of slocum, my main developement server
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| [dan@slocum:/usr/local/etc/poudriere.d] $ zfs-stats -a | |
| ------------------------------------------------------------------------ | |
| ZFS Subsystem Report Thu Sep 18 15:07:05 2014 | |
| ------------------------------------------------------------------------ | |
| System Information: | |
| Kernel Version: 903000 (osreldate) | |
| Hardware Platform: amd64 | |
| Processor Architecture: amd64 | |
| ZFS Storage pool Version: 5000 | |
| ZFS Filesystem Version: 5 | |
| FreeBSD 9.3-RELEASE-p2 #0: Mon Sep 15 16:44:27 UTC 2014 root | |
| 3:07PM up 21:43, 2 users, load averages: 1.40, 1.28, 1.10 | |
| ------------------------------------------------------------------------ | |
| System Memory: | |
| 18.34% 2.83 GiB Active, 7.09% 1.10 GiB Inact | |
| 69.62% 10.76 GiB Wired, 0.80% 126.84 MiB Cache | |
| 4.07% 644.52 MiB Free, 0.08% 12.22 MiB Gap | |
| Real Installed: 16.00 GiB | |
| Real Available: 99.68% 15.95 GiB | |
| Real Managed: 96.91% 15.46 GiB | |
| Logical Total: 16.00 GiB | |
| Logical Used: 88.45% 14.15 GiB | |
| Logical Free: 11.55% 1.85 GiB | |
| Kernel Memory: 8.40 GiB | |
| Data: 99.70% 8.38 GiB | |
| Text: 0.30% 25.54 MiB | |
| Kernel Memory Map: 12.25 GiB | |
| Size: 66.72% 8.17 GiB | |
| Free: 33.28% 4.08 GiB | |
| ------------------------------------------------------------------------ | |
| ARC Summary: (HEALTHY) | |
| Memory Throttle Count: 0 | |
| ARC Misc: | |
| Deleted: 18.59m | |
| Recycle Misses: 3.13m | |
| Mutex Misses: 17.86k | |
| Evict Skips: 30.44m | |
| ARC Size: 60.62% 8.76 GiB | |
| Target Size: (Adaptive) 60.62% 8.76 GiB | |
| Min Size (Hard Limit): 12.50% 1.81 GiB | |
| Max Size (High Water): 8:1 14.46 GiB | |
| ARC Size Breakdown: | |
| Recently Used Cache Size: 84.19% 7.38 GiB | |
| Frequently Used Cache Size: 15.81% 1.39 GiB | |
| ARC Hash Breakdown: | |
| Elements Max: 1.87m | |
| Elements Current: 73.83% 1.38m | |
| Collisions: 22.01m | |
| Chain Max: 43 | |
| Chains: 247.38k | |
| ------------------------------------------------------------------------ | |
| ARC Efficiency: 137.81m | |
| Cache Hit Ratio: 84.29% 116.16m | |
| Cache Miss Ratio: 15.71% 21.65m | |
| Actual Hit Ratio: 70.21% 96.75m | |
| Data Demand Efficiency: 75.57% 49.96m | |
| Data Prefetch Efficiency: 89.09% 14.69m | |
| CACHE HITS BY CACHE LIST: | |
| Anonymously Used: 12.05% 14.00m | |
| Most Recently Used: 22.13% 25.71m | |
| Most Frequently Used: 61.16% 71.04m | |
| Most Recently Used Ghost: 1.30% 1.51m | |
| Most Frequently Used Ghost: 3.36% 3.90m | |
| CACHE HITS BY DATA TYPE: | |
| Demand Data: 32.50% 37.75m | |
| Prefetch Data: 11.27% 13.09m | |
| Demand Metadata: 50.42% 58.57m | |
| Prefetch Metadata: 5.80% 6.74m | |
| CACHE MISSES BY DATA TYPE: | |
| Demand Data: 56.38% 12.21m | |
| Prefetch Data: 7.40% 1.60m | |
| Demand Metadata: 18.42% 3.99m | |
| Prefetch Metadata: 17.80% 3.85m | |
| ------------------------------------------------------------------------ | |
| L2ARC is disabled | |
| ------------------------------------------------------------------------ | |
| File-Level Prefetch: (HEALTHY) | |
| DMU Efficiency: 259.07m | |
| Hit Ratio: 64.54% 167.19m | |
| Miss Ratio: 35.46% 91.87m | |
| Colinear: 91.87m | |
| Hit Ratio: 0.03% 27.26k | |
| Miss Ratio: 99.97% 91.84m | |
| Stride: 163.37m | |
| Hit Ratio: 100.00% 163.36m | |
| Miss Ratio: 0.00% 6.91k | |
| DMU Misc: | |
| Reclaim: 91.84m | |
| Successes: 0.61% 556.28k | |
| Failures: 99.39% 91.29m | |
| Streams: 3.83m | |
| +Resets: 0.01% 509 | |
| -Resets: 99.99% 3.83m | |
| Bogus: 0 | |
| ------------------------------------------------------------------------ | |
| VDEV cache is disabled | |
| ------------------------------------------------------------------------ | |
| ZFS Tunables (sysctl): | |
| kern.maxusers 1356 | |
| vm.kmem_size 16595791872 | |
| vm.kmem_size_scale 1 | |
| vm.kmem_size_min 0 | |
| vm.kmem_size_max 329853485875 | |
| vfs.zfs.l2c_only_size 0 | |
| vfs.zfs.mfu_ghost_data_lsize 1759174144 | |
| vfs.zfs.mfu_ghost_metadata_lsize 2533135360 | |
| vfs.zfs.mfu_ghost_size 4292309504 | |
| vfs.zfs.mfu_data_lsize 509603840 | |
| vfs.zfs.mfu_metadata_lsize 139328512 | |
| vfs.zfs.mfu_size 830413824 | |
| vfs.zfs.mru_ghost_data_lsize 42344448 | |
| vfs.zfs.mru_ghost_metadata_lsize 1555270656 | |
| vfs.zfs.mru_ghost_size 1597615104 | |
| vfs.zfs.mru_data_lsize 5005354496 | |
| vfs.zfs.mru_metadata_lsize 2629350912 | |
| vfs.zfs.mru_size 7851699200 | |
| vfs.zfs.anon_data_lsize 0 | |
| vfs.zfs.anon_metadata_lsize 0 | |
| vfs.zfs.anon_size 40602624 | |
| vfs.zfs.l2arc_norw 1 | |
| vfs.zfs.l2arc_feed_again 1 | |
| vfs.zfs.l2arc_noprefetch 1 | |
| vfs.zfs.l2arc_feed_min_ms 200 | |
| vfs.zfs.l2arc_feed_secs 1 | |
| vfs.zfs.l2arc_headroom 2 | |
| vfs.zfs.l2arc_write_boost 8388608 | |
| vfs.zfs.l2arc_write_max 8388608 | |
| vfs.zfs.arc_meta_limit 3880512512 | |
| vfs.zfs.arc_meta_used 3859963904 | |
| vfs.zfs.arc_min 1940256256 | |
| vfs.zfs.arc_max 15522050048 | |
| vfs.zfs.dedup.prefetch 1 | |
| vfs.zfs.mdcomp_disable 0 | |
| vfs.zfs.nopwrite_enabled 1 | |
| vfs.zfs.zfetch.array_rd_sz 1048576 | |
| vfs.zfs.zfetch.block_cap 256 | |
| vfs.zfs.zfetch.min_sec_reap 2 | |
| vfs.zfs.zfetch.max_streams 8 | |
| vfs.zfs.prefetch_disable 0 | |
| vfs.zfs.no_scrub_prefetch 0 | |
| vfs.zfs.no_scrub_io 0 | |
| vfs.zfs.resilver_min_time_ms 3000 | |
| vfs.zfs.free_min_time_ms 1000 | |
| vfs.zfs.scan_min_time_ms 1000 | |
| vfs.zfs.scan_idle 50 | |
| vfs.zfs.scrub_delay 4 | |
| vfs.zfs.resilver_delay 2 | |
| vfs.zfs.top_maxinflight 32 | |
| vfs.zfs.write_to_degraded 0 | |
| vfs.zfs.mg_noalloc_threshold 0 | |
| vfs.zfs.condense_pct 200 | |
| vfs.zfs.metaslab.weight_factor_enable 0 | |
| vfs.zfs.metaslab.preload_enabled 1 | |
| vfs.zfs.metaslab.preload_limit 3 | |
| vfs.zfs.metaslab.unload_delay 8 | |
| vfs.zfs.metaslab.load_pct 50 | |
| vfs.zfs.metaslab.min_alloc_size 10485760 | |
| vfs.zfs.metaslab.df_free_pct 4 | |
| vfs.zfs.metaslab.df_alloc_threshold 131072 | |
| vfs.zfs.metaslab.debug_unload 0 | |
| vfs.zfs.metaslab.debug_load 0 | |
| vfs.zfs.metaslab.gang_bang 131073 | |
| vfs.zfs.check_hostid 1 | |
| vfs.zfs.spa_asize_inflation 24 | |
| vfs.zfs.deadman_enabled 1 | |
| vfs.zfs.deadman_checktime_ms 5000 | |
| vfs.zfs.deadman_synctime_ms 1000000 | |
| vfs.zfs.recover 0 | |
| vfs.zfs.txg.timeout 5 | |
| vfs.zfs.min_auto_ashift 9 | |
| vfs.zfs.max_auto_ashift 13 | |
| vfs.zfs.vdev.cache.bshift 16 | |
| vfs.zfs.vdev.cache.size 0 | |
| vfs.zfs.vdev.cache.max 16384 | |
| vfs.zfs.vdev.trim_on_init 1 | |
| vfs.zfs.vdev.write_gap_limit 4096 | |
| vfs.zfs.vdev.read_gap_limit 32768 | |
| vfs.zfs.vdev.aggregation_limit 131072 | |
| vfs.zfs.vdev.scrub_max_active 2 | |
| vfs.zfs.vdev.scrub_min_active 1 | |
| vfs.zfs.vdev.async_write_max_active 10 | |
| vfs.zfs.vdev.async_write_min_active 1 | |
| vfs.zfs.vdev.async_read_max_active 3 | |
| vfs.zfs.vdev.async_read_min_active 1 | |
| vfs.zfs.vdev.sync_write_max_active 10 | |
| vfs.zfs.vdev.sync_write_min_active 10 | |
| vfs.zfs.vdev.sync_read_max_active 10 | |
| vfs.zfs.vdev.sync_read_min_active 10 | |
| vfs.zfs.vdev.max_active 1000 | |
| vfs.zfs.vdev.bio_delete_disable 0 | |
| vfs.zfs.vdev.bio_flush_disable 0 | |
| vfs.zfs.vdev.trim_max_pending 64 | |
| vfs.zfs.vdev.trim_max_bytes 2147483648 | |
| vfs.zfs.cache_flush_disable 0 | |
| vfs.zfs.zil_replay_disable 0 | |
| vfs.zfs.sync_pass_rewrite 2 | |
| vfs.zfs.sync_pass_dont_compress 5 | |
| vfs.zfs.sync_pass_deferred_free 2 | |
| vfs.zfs.zio.use_uma 0 | |
| vfs.zfs.snapshot_list_prefetch 0 | |
| vfs.zfs.version.ioctl 3 | |
| vfs.zfs.version.zpl 5 | |
| vfs.zfs.version.spa 5000 | |
| vfs.zfs.version.acl 1 | |
| vfs.zfs.debug 0 | |
| vfs.zfs.super_owner 0 | |
| vfs.zfs.trim.enabled 1 | |
| vfs.zfs.trim.max_interval 1 | |
| vfs.zfs.trim.timeout 30 | |
| vfs.zfs.trim.txg_delay 32 | |
| ------------------------------------------------------------------------ | |
| [dan@slocum:/usr/local/etc/poudriere.d] $ |
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