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dlangille/gist:e7261dd65b6e8af1f2b3

Created September 18, 2014 15:26
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zfs-stats (http://www.freshports.org/sysutils/zfs-stats) of zuul, my main production server
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gistfile1.txt
[dan@zuul:~] $ zfs-stats -a
------------------------------------------------------------------------
ZFS Subsystem Report Thu Sep 18 15:25:15 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
3:25PM up 22:02, 1 user, load averages: 0.13, 0.08, 0.06
------------------------------------------------------------------------
System Memory:
2.13% 167.24 MiB Active, 5.37% 422.16 MiB Inact
82.34% 6.33 GiB Wired, 0.48% 37.99 MiB Cache
9.65% 759.06 MiB Free, 0.04% 3.31 MiB Gap
Real Installed: 8.00 GiB
Real Available: 99.25% 7.94 GiB
Real Managed: 96.76% 7.68 GiB
Logical Total: 8.00 GiB
Logical Used: 85.12% 6.81 GiB
Logical Free: 14.88% 1.19 GiB
Kernel Memory: 4.63 GiB
Data: 99.48% 4.61 GiB
Text: 0.52% 24.84 MiB
Kernel Memory Map: 5.80 GiB
Size: 73.50% 4.26 GiB
Free: 26.50% 1.54 GiB
------------------------------------------------------------------------
ARC Summary: (HEALTHY)
Memory Throttle Count: 0
ARC Misc:
Deleted: 745.44k
Recycle Misses: 128.34k
Mutex Misses: 726
Evict Skips: 1.02m
ARC Size: 72.71% 4.86 GiB
Target Size: (Adaptive) 89.01% 5.95 GiB
Min Size (Hard Limit): 12.50% 855.42 MiB
Max Size (High Water): 8:1 6.68 GiB
ARC Size Breakdown:
Recently Used Cache Size: 67.78% 4.03 GiB
Frequently Used Cache Size: 32.22% 1.92 GiB
ARC Hash Breakdown:
Elements Max: 593.16k
Elements Current: 53.72% 318.62k
Collisions: 1.95m
Chain Max: 17
Chains: 82.69k
------------------------------------------------------------------------
ARC Efficiency: 56.26m
Cache Hit Ratio: 97.91% 55.08m
Cache Miss Ratio: 2.09% 1.18m
Actual Hit Ratio: 93.33% 52.51m
Data Demand Efficiency: 82.24% 4.96m
Data Prefetch Efficiency: 9.04% 132.41k
CACHE HITS BY CACHE LIST:
Anonymously Used: 4.19% 2.31m
Most Recently Used: 3.72% 2.05m
Most Frequently Used: 91.61% 50.46m
Most Recently Used Ghost: 0.07% 35.96k
Most Frequently Used Ghost: 0.42% 231.39k
CACHE HITS BY DATA TYPE:
Demand Data: 7.41% 4.08m
Prefetch Data: 0.02% 11.97k
Demand Metadata: 86.68% 47.75m
Prefetch Metadata: 5.88% 3.24m
CACHE MISSES BY DATA TYPE:
Demand Data: 74.85% 881.47k
Prefetch Data: 10.23% 120.44k
Demand Metadata: 9.62% 113.23k
Prefetch Metadata: 5.30% 62.44k
------------------------------------------------------------------------
L2ARC is disabled
------------------------------------------------------------------------
File-Level Prefetch: (HEALTHY)
DMU Efficiency: 103.63m
Hit Ratio: 77.10% 79.90m
Miss Ratio: 22.90% 23.73m
Colinear: 23.73m
Hit Ratio: 0.04% 8.89k
Miss Ratio: 99.96% 23.73m
Stride: 76.59m
Hit Ratio: 99.97% 76.57m
Miss Ratio: 0.03% 24.42k
DMU Misc:
Reclaim: 23.73m
Successes: 0.80% 189.57k
Failures: 99.20% 23.54m
Streams: 3.33m
+Resets: 0.00% 70
-Resets: 100.00% 3.33m
Bogus: 0
------------------------------------------------------------------------
VDEV cache is disabled
------------------------------------------------------------------------
ZFS Tunables (sysctl):
kern.maxusers 844
vm.kmem_size 8249540608
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 3091647488
vfs.zfs.mfu_ghost_metadata_lsize 273710080
vfs.zfs.mfu_ghost_size 3365357568
vfs.zfs.mfu_data_lsize 322868224
vfs.zfs.mfu_metadata_lsize 282812928
vfs.zfs.mfu_size 685485568
vfs.zfs.mru_ghost_data_lsize 2298686464
vfs.zfs.mru_ghost_metadata_lsize 228959232
vfs.zfs.mru_ghost_size 2527645696
vfs.zfs.mru_data_lsize 3754452992
vfs.zfs.mru_metadata_lsize 76045312
vfs.zfs.mru_size 3857529856
vfs.zfs.anon_data_lsize 0
vfs.zfs.anon_metadata_lsize 0
vfs.zfs.anon_size 2978816
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 1793949696
vfs.zfs.arc_meta_used 1138233232
vfs.zfs.arc_min 896974848
vfs.zfs.arc_max 7175798784
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@zuul:~] $
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