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bad read performance investigation
random-read: (g=0): rw=randread, bs=256KiB-256KiB,256KiB-256KiB,256KiB-256KiB, ioengine=libaio, iodepth=256
fio-2.18
Starting 1 process
Jobs: 1 (f=1): [r(1)][100.0%][r=27.3MiB/s,w=0KiB/s][r=109,w=0 IOPS][eta 00m:00s]
random-read: (groupid=0, jobs=1): err= 0: pid=5216: Mon Nov 20 11:25:52 2017
read: IOPS=111, BW=27.1MiB/s (29.4MB/s)(1678MiB/60002msec)
slat (usec): min=937, max=48829, avg=8931.40, stdev=4220.94
clat (usec): min=6, max=2544.4k, avg=2225904.59, stdev=255594.73
lat (msec): min=10, max=2560, avg=2234.84, stdev=255.58
clat percentiles (msec):
| 1.00th=[ 660], 5.00th=[ 2114], 10.00th=[ 2147], 20.00th=[ 2180],
| 30.00th=[ 2212], 40.00th=[ 2245], 50.00th=[ 2245], 60.00th=[ 2278],
| 70.00th=[ 2311], 80.00th=[ 2343], 90.00th=[ 2376], 95.00th=[ 2409],
| 99.00th=[ 2442], 99.50th=[ 2442], 99.90th=[ 2507], 99.95th=[ 2507],
| 99.99th=[ 2540]
lat (usec) : 10=0.01%
lat (msec) : 20=0.01%, 50=0.06%, 100=0.07%, 250=0.19%, 500=0.40%
lat (msec) : 750=0.40%, 1000=0.45%, 2000=1.68%, >=2000=96.71%
cpu : usr=0.08%, sys=3.30%, ctx=31679, majf=0, minf=1119
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.2%, 32=0.5%, >=64=99.1%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.1%
issued rwt: total=6713,0,0, short=0,0,0, dropped=0,0,0
latency : target=0, window=0, percentile=100.00%, depth=256
Run status group 0 (all jobs):
READ: bw=27.1MiB/s (29.4MB/s), 27.1MiB/s-27.1MiB/s (29.4MB/s-29.4MB/s), io=1678MiB (1760MB), run=60002-60002msec
random-read: (g=0): rw=randread, bs=256KiB-256KiB,256KiB-256KiB,256KiB-256KiB, ioengine=libaio, iodepth=256
fio-2.18
Starting 1 process
Jobs: 1 (f=1): [r(1)][100.0%][r=31.6MiB/s,w=0KiB/s][r=126,w=0 IOPS][eta 00m:00s]
random-read: (groupid=0, jobs=1): err= 0: pid=24219: Mon Nov 20 11:10:19 2017
read: IOPS=113, BW=28.4MiB/s (29.7MB/s)(1700MiB/60022msec)
slat (usec): min=646, max=174328, avg=8821.98, stdev=7116.65
clat (usec): min=6, max=2794.6k, avg=2203990.98, stdev=315436.77
lat (msec): min=28, max=2801, avg=2212.81, stdev=315.72
clat percentiles (msec):
| 1.00th=[ 594], 5.00th=[ 1942], 10.00th=[ 1991], 20.00th=[ 2040],
| 30.00th=[ 2114], 40.00th=[ 2180], 50.00th=[ 2212], 60.00th=[ 2278],
| 70.00th=[ 2343], 80.00th=[ 2409], 90.00th=[ 2507], 95.00th=[ 2606],
| 99.00th=[ 2704], 99.50th=[ 2769], 99.90th=[ 2802], 99.95th=[ 2802],
| 99.99th=[ 2802]
lat (usec) : 10=0.01%
lat (msec) : 50=0.04%, 100=0.12%, 250=0.21%, 500=0.40%, 750=0.54%
lat (msec) : 1000=0.49%, 2000=10.18%, >=2000=88.01%
cpu : usr=0.06%, sys=3.51%, ctx=70866, majf=0, minf=943
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.2%, 32=0.5%, >=64=99.1%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.1%
issued rwt: total=6799,0,0, short=0,0,0, dropped=0,0,0
latency : target=0, window=0, percentile=100.00%, depth=256
random-read: (g=0): rw=randread, bs=256KiB-256KiB,256KiB-256KiB,256KiB-256KiB, ioengine=libaio, iodepth=256
fio-2.18
Starting 1 process
Jobs: 1 (f=1): [r(1)][100.0%][r=34.6MiB/s,w=0KiB/s][r=138,w=0 IOPS][eta 00m:00s]
random-read: (groupid=0, jobs=1): err= 0: pid=19500: Mon Nov 20 11:12:44 2017
read: IOPS=123, BW=30.9MiB/s (32.4MB/s)(1852MiB/60003msec)
slat (usec): min=570, max=59694, avg=8094.87, stdev=5129.20
clat (usec): min=8, max=2404.1k, avg=2019239.07, stdev=237737.02
lat (msec): min=3, max=2420, avg=2027.33, stdev=237.88
clat percentiles (msec):
| 1.00th=[ 660], 5.00th=[ 1811], 10.00th=[ 1860], 20.00th=[ 1958],
| 30.00th=[ 2008], 40.00th=[ 2040], 50.00th=[ 2057], 60.00th=[ 2073],
| 70.00th=[ 2114], 80.00th=[ 2147], 90.00th=[ 2180], 95.00th=[ 2245],
| 99.00th=[ 2311], 99.50th=[ 2311], 99.90th=[ 2343], 99.95th=[ 2343],
| 99.99th=[ 2409]
lat (usec) : 10=0.01%
lat (msec) : 4=0.01%, 20=0.03%, 50=0.05%, 100=0.03%, 250=0.20%
lat (msec) : 500=0.38%, 750=0.47%, 1000=0.42%, 2000=28.23%, >=2000=70.16%
cpu : usr=0.07%, sys=3.75%, ctx=77589, majf=0, minf=1119
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.2%, 32=0.4%, >=64=99.1%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.1%
issued rwt: total=7407,0,0, short=0,0,0, dropped=0,0,0
latency : target=0, window=0, percentile=100.00%, depth=256
Run status group 0 (all jobs):
READ: bw=30.9MiB/s (32.4MB/s), 30.9MiB/s-30.9MiB/s (32.4MB/s-32.4MB/s), io=1852MiB (1942MB), run=60003-60003msec
Linux 3.10.101-1.el6.x86_64 (xxxxxxx) 11/20/2017 _x86_64_ (12 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
0.12 0.00 5.96 1.98 0.00 91.94
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 1.80 8.66 7.19 34.62 8.00 0.01 0.75 3.43 0.19 0.16 0.17
avg-cpu: %user %nice %system %iowait %steal %idle
0.02 0.00 0.03 0.00 0.00 99.95
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
avg-cpu: %user %nice %system %iowait %steal %idle
0.00 0.00 0.02 0.00 0.00 99.98
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
avg-cpu: %user %nice %system %iowait %steal %idle
0.13 0.00 0.18 0.02 0.00 99.67
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
avg-cpu: %user %nice %system %iowait %steal %idle
0.07 0.00 0.13 0.00 0.00 99.80
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
avg-cpu: %user %nice %system %iowait %steal %idle
0.00 0.00 0.03 0.00 0.00 99.97
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
avg-cpu: %user %nice %system %iowait %steal %idle
0.37 0.00 1.99 22.68 0.00 74.95
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 3398.40 0.00 13593.60 0.00 8.00 12.36 3.63 3.63 0.00 0.15 49.68
avg-cpu: %user %nice %system %iowait %steal %idle
0.02 0.00 2.92 46.33 0.00 50.73
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 7968.00 0.00 31872.00 0.00 8.00 25.49 3.20 3.20 0.00 0.12 99.10
avg-cpu: %user %nice %system %iowait %steal %idle
0.02 0.00 2.68 46.50 0.00 50.80
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 8000.00 0.00 32000.00 0.00 8.00 25.62 3.20 3.20 0.00 0.12 99.18
avg-cpu: %user %nice %system %iowait %steal %idle
0.02 0.00 2.63 44.94 0.00 52.41
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 7929.60 0.00 31718.40 0.00 8.00 25.15 3.17 3.17 0.00 0.13 99.32
avg-cpu: %user %nice %system %iowait %steal %idle
0.10 0.00 2.78 45.11 0.00 52.01
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 8083.20 0.00 32332.80 0.00 8.00 25.21 3.12 3.12 0.00 0.12 99.10
avg-cpu: %user %nice %system %iowait %steal %idle
0.02 0.00 2.47 45.19 0.00 52.33
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 7724.80 0.00 30899.20 0.00 8.00 25.26 3.26 3.26 0.00 0.13 99.54
avg-cpu: %user %nice %system %iowait %steal %idle
0.02 0.00 2.60 44.42 0.00 52.97
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 7712.00 0.00 30848.00 0.00 8.00 24.55 3.18 3.18 0.00 0.13 99.18
avg-cpu: %user %nice %system %iowait %steal %idle
0.00 0.00 2.70 44.48 0.00 52.82
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 7737.60 0.00 30950.40 0.00 8.00 24.51 3.16 3.16 0.00 0.13 99.30
avg-cpu: %user %nice %system %iowait %steal %idle
0.02 0.00 2.75 45.65 0.00 51.59
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 7827.20 0.00 31308.80 0.00 8.00 25.28 3.23 3.23 0.00 0.13 99.32
avg-cpu: %user %nice %system %iowait %steal %idle
0.03 0.00 2.73 44.16 0.00 53.08
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 7852.80 0.00 31411.20 0.00 8.00 24.69 3.14 3.14 0.00 0.13 99.32
avg-cpu: %user %nice %system %iowait %steal %idle
0.00 0.00 2.75 46.30 0.00 50.95
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 8300.80 0.00 33203.20 0.00 8.00 25.52 3.07 3.07 0.00 0.12 99.00
avg-cpu: %user %nice %system %iowait %steal %idle
0.08 0.00 2.90 45.24 0.00 51.78
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 8019.20 0.00 32076.80 0.00 8.00 25.28 3.15 3.15 0.00 0.12 99.32
avg-cpu: %user %nice %system %iowait %steal %idle
0.00 0.00 2.12 22.95 0.00 74.93
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 4256.00 0.00 17024.00 0.00 8.00 12.98 3.05 3.05 0.00 0.12 49.30
avg-cpu: %user %nice %system %iowait %steal %idle
0.00 0.00 0.03 0.02 0.00 99.95
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Linux 3.10.101-1.el6.x86_64 (xxxxxxxx) 11/20/2017 _x86_64_ (12 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
0.12 0.00 5.95 2.01 0.00 91.93
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 0.00 8.63 0.00 34.51 8.00 0.00 0.20 0.43 0.20 0.17 0.15
avg-cpu: %user %nice %system %iowait %steal %idle
0.02 0.00 0.03 0.00 0.00 99.95
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
avg-cpu: %user %nice %system %iowait %steal %idle
0.37 0.00 2.28 11.92 0.00 85.43
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 5164.80 0.00 20659.20 0.00 8.00 23.99 4.63 4.63 0.00 0.15 76.30
avg-cpu: %user %nice %system %iowait %steal %idle
0.02 0.00 2.52 15.54 0.00 81.93
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 7212.60 0.00 28850.40 0.00 8.00 31.44 4.34 4.34 0.00 0.14 99.60
avg-cpu: %user %nice %system %iowait %steal %idle
0.05 0.00 2.76 15.59 0.00 81.59
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 7238.60 0.00 28954.40 0.00 8.00 31.50 4.33 4.33 0.00 0.14 99.52
avg-cpu: %user %nice %system %iowait %steal %idle
0.07 0.00 2.60 15.61 0.00 81.73
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 6969.60 0.00 27878.40 0.00 8.00 31.34 4.49 4.49 0.00 0.14 99.48
avg-cpu: %user %nice %system %iowait %steal %idle
0.02 0.00 2.35 15.68 0.00 81.95
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 7366.40 0.00 29465.60 0.00 8.00 31.36 4.25 4.25 0.00 0.14 99.50
avg-cpu: %user %nice %system %iowait %steal %idle
0.02 0.00 2.25 15.60 0.00 82.13
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 7161.60 0.00 28646.40 0.00 8.00 31.41 4.37 4.37 0.00 0.14 99.50
avg-cpu: %user %nice %system %iowait %steal %idle
0.02 0.00 2.24 15.66 0.00 82.09
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 7200.00 0.00 28800.00 0.00 8.00 31.31 4.34 4.34 0.00 0.14 99.40
avg-cpu: %user %nice %system %iowait %steal %idle
0.02 0.00 2.31 15.61 0.00 82.07
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 7379.20 0.00 29516.80 0.00 8.00 31.62 4.25 4.25 0.00 0.14 99.80
avg-cpu: %user %nice %system %iowait %steal %idle
0.02 0.00 2.63 15.58 0.00 81.77
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 7328.00 0.00 29312.00 0.00 8.00 31.56 4.28 4.28 0.00 0.14 99.56
avg-cpu: %user %nice %system %iowait %steal %idle
0.03 0.00 2.40 15.59 0.00 81.98
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 7014.00 0.00 28056.00 0.00 8.00 31.72 4.47 4.47 0.00 0.14 100.04
avg-cpu: %user %nice %system %iowait %steal %idle
0.07 0.00 2.65 15.61 0.00 81.67
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 7110.80 0.00 28443.20 0.00 8.00 31.39 4.41 4.41 0.00 0.14 99.38
avg-cpu: %user %nice %system %iowait %steal %idle
0.02 0.00 2.45 15.54 0.00 81.99
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 7212.80 0.00 28851.20 0.00 8.00 31.33 4.32 4.32 0.00 0.14 99.30
avg-cpu: %user %nice %system %iowait %steal %idle
0.02 0.00 1.07 3.61 0.00 95.30
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 1568.00 0.00 6272.00 0.00 8.00 7.24 4.60 4.60 0.00 0.15 22.76
avg-cpu: %user %nice %system %iowait %steal %idle
0.12 0.00 0.18 0.02 0.00 99.68
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
zd3232 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
[random-read]
filename=/dev/zvol/xxxxx/test/testzvol2
ioengine=libaio
iodepth=256
rw=randread
bs=256k
direct=0
numjobs=1
time_based=1
runtime=60
NAME PROPERTY VALUE SOURCE
xxxxxxx/test/testzvol2 type volume -
xxxxxxx/test/testzvol2 creation Mon Nov 20 10:43 2017 -
xxxxxxx/test/testzvol2 used 8.13G -
xxxxxxx/test/testzvol2 available 16.2T -
xxxxxxx/test/testzvol2 referenced 8.01G -
xxxxxxx/test/testzvol2 compressratio 1.00x -
xxxxxxx/test/testzvol2 reservation none default
xxxxxxx/test/testzvol2 volsize 8G local
xxxxxxx/test/testzvol2 volblocksize 16K -
xxxxxxx/test/testzvol2 checksum on default
xxxxxxx/test/testzvol2 compression off local
xxxxxxx/test/testzvol2 readonly off default
xxxxxxx/test/testzvol2 createtxg 43626981 -
xxxxxxx/test/testzvol2 copies 1 default
xxxxxxx/test/testzvol2 refreservation 8.13G local
xxxxxxx/test/testzvol2 guid 2302007190401844818 -
xxxxxxx/test/testzvol2 primarycache metadata local
xxxxxxx/test/testzvol2 secondarycache none local
xxxxxxx/test/testzvol2 usedbysnapshots 0B -
xxxxxxx/test/testzvol2 usedbydataset 8.01G -
xxxxxxx/test/testzvol2 usedbychildren 0B -
xxxxxxx/test/testzvol2 usedbyrefreservation 122M -
xxxxxxx/test/testzvol2 logbias latency default
xxxxxxx/test/testzvol2 dedup off default
xxxxxxx/test/testzvol2 mlslabel none default
xxxxxxx/test/testzvol2 sync always inherited from xxxxxxx
xxxxxxx/test/testzvol2 refcompressratio 1.00x -
xxxxxxx/test/testzvol2 written 8.01G -
xxxxxxx/test/testzvol2 logicalused 8.00G -
xxxxxxx/test/testzvol2 logicalreferenced 8.00G -
xxxxxxx/test/testzvol2 volmode default default
xxxxxxx/test/testzvol2 snapshot_limit none default
xxxxxxx/test/testzvol2 snapshot_count none default
xxxxxxx/test/testzvol2 snapdev hidden default
xxxxxxx/test/testzvol2 context none default
xxxxxxx/test/testzvol2 fscontext none default
xxxxxxx/test/testzvol2 defcontext none default
xxxxxxx/test/testzvol2 rootcontext none default
xxxxxxx/test/testzvol2 redundant_metadata all default
NAME PROPERTY VALUE SOURCE
xxxxxxx size 30.9T -
xxxxxxx capacity 43% -
xxxxxxx altroot - default
xxxxxxx health ONLINE -
xxxxxxx guid 15646389619913329100 -
xxxxxxx version - default
xxxxxxx bootfs - default
xxxxxxx delegation on default
xxxxxxx autoreplace off default
xxxxxxx cachefile - default
xxxxxxx failmode wait default
xxxxxxx listsnapshots off default
xxxxxxx autoexpand off default
xxxxxxx dedupditto 0 default
xxxxxxx dedupratio 1.00x -
xxxxxxx free 17.5T -
xxxxxxx allocated 13.4T -
xxxxxxx readonly off -
xxxxxxx ashift 12 local
xxxxxxx comment - default
xxxxxxx expandsize - -
xxxxxxx freeing 0 -
xxxxxxx fragmentation 47% -
xxxxxxx leaked 0 -
xxxxxxx multihost off default
xxxxxxx feature@async_destroy enabled local
xxxxxxx feature@empty_bpobj active local
xxxxxxx feature@lz4_compress active local
xxxxxxx feature@multi_vdev_crash_dump disabled local
xxxxxxx feature@spacemap_histogram active local
xxxxxxx feature@enabled_txg active local
xxxxxxx feature@hole_birth active local
xxxxxxx feature@extensible_dataset enabled local
xxxxxxx feature@embedded_data active local
xxxxxxx feature@bookmarks enabled local
xxxxxxx feature@filesystem_limits enabled local
xxxxxxx feature@large_blocks enabled local
xxxxxxx feature@large_dnode disabled local
xxxxxxx feature@sha512 disabled local
xxxxxxx feature@skein disabled local
xxxxxxx feature@edonr disabled local
xxxxxxx feature@userobj_accounting disabled local
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