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@dlangille
Last active August 29, 2015 14:06
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zfs-stats (http://www.freshports.org/sysutils/zfs-stats) of slocum, my main developement server
[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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