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- a123456@123456s-Mac fio % sudo ./runjobs.sh /dev/disk3
- Continue with /dev/disk3? [y/N] y
- randwrite: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=posixaio, iodepth=32
- fio-3.19
- Starting 1 process
- Jobs: 1 (f=1): [w(1)][100.0%][w=14.0MiB/s][w=3595 IOPS][eta 00m:00s]
- randwrite: (groupid=0, jobs=1): err= 0: pid=845: Fri Feb 12 11:14:59 2021
- write: IOPS=3236, BW=12.6MiB/s (13.3MB/s)(253MiB/20001msec)
- slat (nsec): min=698, max=19818k, avg=259248.61, stdev=273519.38
- clat (usec): min=10, max=1941.3k, avg=2750.33, stdev=30520.94
- lat (usec): min=26, max=1941.5k, avg=3009.58, stdev=30518.20
- clat percentiles (usec):
- | 1.00th=[ 23], 5.00th=[ 155], 10.00th=[ 416],
- | 20.00th=[ 873], 30.00th=[ 1303], 40.00th=[ 1713],
- | 50.00th=[ 2114], 60.00th=[ 2540], 70.00th=[ 2999],
- | 80.00th=[ 3458], 90.00th=[ 4178], 95.00th=[ 4752],
- | 99.00th=[ 6521], 99.50th=[ 7767], 99.90th=[ 16581],
- | 99.95th=[ 23200], 99.99th=[1937769]
- bw ( KiB/s): min= 2535, max=15616, per=100.00%, avg=14000.17, stdev=2259.99, samples=36
- iops : min= 633, max= 3904, avg=3499.69, stdev=565.10, samples=36
- lat (usec) : 20=0.01%, 50=3.76%, 100=0.65%, 250=2.41%, 500=5.09%
- lat (usec) : 750=5.30%, 1000=5.84%
- lat (msec) : 2=23.93%, 4=41.07%, 10=11.70%, 20=0.20%, 50=0.04%
- lat (msec) : 2000=0.02%
- cpu : usr=1.78%, sys=31.43%, ctx=57810, majf=0, minf=27
- IO depths : 1=3.8%, 2=12.0%, 4=25.0%, 8=52.3%, 16=6.9%, 32=0.0%, >=64=0.0%
- 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=94.2%, 8=0.2%, 16=5.6%, 32=0.0%, 64=0.0%, >=64=0.0%
- issued rwts: total=0,64730,0,0 short=0,0,0,0 dropped=0,0,0,0
- latency : target=0, window=0, percentile=100.00%, depth=32
- Run status group 0 (all jobs):
- WRITE: bw=12.6MiB/s (13.3MB/s), 12.6MiB/s-12.6MiB/s (13.3MB/s-13.3MB/s), io=253MiB (265MB), run=20001-20001msec
- ----------------------------
- seqwrite: (g=0): rw=write, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=posixaio, iodepth=32
- fio-3.19
- Starting 1 process
- Jobs: 1 (f=1): [W(1)][100.0%][w=14.0MiB/s][w=3837 IOPS][eta 00m:00s]
- seqwrite: (groupid=0, jobs=1): err= 0: pid=847: Fri Feb 12 11:15:19 2021
- write: IOPS=3763, BW=14.7MiB/s (15.4MB/s)(294MiB/20001msec)
- slat (nsec): min=713, max=8514.0k, avg=249465.83, stdev=217888.69
- clat (usec): min=5, max=57554, avg=2149.42, stdev=1463.41
- lat (usec): min=100, max=58141, avg=2398.89, stdev=1469.85
- clat percentiles (usec):
- | 1.00th=[ 22], 5.00th=[ 151], 10.00th=[ 404], 20.00th=[ 840],
- | 30.00th=[ 1237], 40.00th=[ 1631], 50.00th=[ 2024], 60.00th=[ 2409],
- | 70.00th=[ 2835], 80.00th=[ 3294], 90.00th=[ 3949], 95.00th=[ 4555],
- | 99.00th=[ 5932], 99.50th=[ 6718], 99.90th=[11469], 99.95th=[12911],
- | 99.99th=[18744]
- bw ( KiB/s): min=12159, max=15848, per=100.00%, avg=15081.28, stdev=666.57, samples=39
- iops : min= 3039, max= 3962, avg=3770.00, stdev=166.74, samples=39
- lat (usec) : 10=0.01%, 20=0.01%, 50=3.77%, 100=0.73%, 250=2.55%
- lat (usec) : 500=5.24%, 750=5.53%, 1000=6.38%
- lat (msec) : 2=25.38%, 4=40.87%, 10=9.41%, 20=0.14%, 50=0.01%
- lat (msec) : 100=0.01%
- cpu : usr=1.88%, sys=35.01%, ctx=67828, majf=0, minf=27
- IO depths : 1=3.5%, 2=12.3%, 4=25.2%, 8=52.2%, 16=6.8%, 32=0.0%, >=64=0.0%
- 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=94.3%, 8=0.1%, 16=5.6%, 32=0.0%, 64=0.0%, >=64=0.0%
- issued rwts: total=0,75278,0,0 short=0,0,0,0 dropped=0,0,0,0
- latency : target=0, window=0, percentile=100.00%, depth=32
- Run status group 0 (all jobs):
- WRITE: bw=14.7MiB/s (15.4MB/s), 14.7MiB/s-14.7MiB/s (15.4MB/s-15.4MB/s), io=294MiB (308MB), run=20001-20001msec
- ----------------------------
- seqwrite-sync: (g=0): rw=write, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=1
- fio-3.19
- Starting 1 process
- Jobs: 1 (f=1): [W(1)][100.0%][w=23.3MiB/s][w=5958 IOPS][eta 00m:00s]
- seqwrite-sync: (groupid=0, jobs=1): err= 0: pid=849: Fri Feb 12 11:15:39 2021
- write: IOPS=5526, BW=21.6MiB/s (22.6MB/s)(432MiB/20000msec)
- clat (usec): min=3, max=27897, avg=178.39, stdev=291.15
- lat (usec): min=3, max=27897, avg=178.81, stdev=291.27
- clat percentiles (usec):
- | 1.00th=[ 4], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 9],
- | 30.00th=[ 73], 40.00th=[ 78], 50.00th=[ 92], 60.00th=[ 127],
- | 70.00th=[ 196], 80.00th=[ 293], 90.00th=[ 371], 95.00th=[ 515],
- | 99.00th=[ 1319], 99.50th=[ 1631], 99.90th=[ 2638], 99.95th=[ 3392],
- | 99.99th=[ 6718]
- bw ( KiB/s): min=13888, max=24701, per=99.97%, avg=22099.51, stdev=2425.02, samples=39
- iops : min= 3472, max= 6175, avg=5524.51, stdev=606.29, samples=39
- lat (usec) : 4=6.23%, 10=15.00%, 20=1.15%, 50=0.15%, 100=31.07%
- lat (usec) : 250=20.72%, 500=20.41%, 750=2.68%, 1000=0.81%
- lat (msec) : 2=1.56%, 4=0.21%, 10=0.03%, 20=0.01%, 50=0.01%
- cpu : usr=1.96%, sys=77.38%, ctx=11069, majf=0, minf=28
- IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
- 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=0.0%
- issued rwts: total=0,110531,0,0 short=0,0,0,0 dropped=0,0,0,0
- latency : target=0, window=0, percentile=100.00%, depth=1
- Run status group 0 (all jobs):
- WRITE: bw=21.6MiB/s (22.6MB/s), 21.6MiB/s-21.6MiB/s (22.6MB/s-22.6MB/s), io=432MiB (453MB), run=20000-20000msec
- ----------------------------
- randread: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=posixaio, iodepth=32
- fio-3.19
- Starting 1 process
- Jobs: 1 (f=1): [r(1)][100.0%][r=14.0MiB/s][r=3589 IOPS][eta 00m:00s]
- randread: (groupid=0, jobs=1): err= 0: pid=851: Fri Feb 12 11:16:00 2021
- read: IOPS=3348, BW=13.1MiB/s (13.7MB/s)(262MiB/20002msec)
- slat (nsec): min=663, max=43659k, avg=80797.56, stdev=309342.79
- clat (usec): min=21, max=91779, avg=4032.34, stdev=2202.94
- lat (usec): min=436, max=92008, avg=4113.14, stdev=2197.83
- clat percentiles (usec):
- | 1.00th=[ 660], 5.00th=[ 1352], 10.00th=[ 1893], 20.00th=[ 2671],
- | 30.00th=[ 3195], 40.00th=[ 3556], 50.00th=[ 3884], 60.00th=[ 4228],
- | 70.00th=[ 4621], 80.00th=[ 5145], 90.00th=[ 6063], 95.00th=[ 7046],
- | 99.00th=[ 9503], 99.50th=[11338], 99.90th=[23987], 99.95th=[29230],
- | 99.99th=[64750]
- bw ( KiB/s): min= 8568, max=14740, per=100.00%, avg=13416.49, stdev=1499.59, samples=39
- iops : min= 2142, max= 3685, avg=3353.72, stdev=374.81, samples=39
- lat (usec) : 50=0.10%, 100=0.08%, 250=0.13%, 500=0.26%, 750=0.78%
- lat (usec) : 1000=1.11%
- lat (msec) : 2=8.66%, 4=42.27%, 10=45.86%, 20=0.63%, 50=0.09%
- lat (msec) : 100=0.03%
- cpu : usr=1.64%, sys=14.49%, ctx=26707, majf=0, minf=29
- IO depths : 1=0.9%, 2=3.1%, 4=11.0%, 8=67.8%, 16=17.2%, 32=0.0%, >=64=0.0%
- 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=94.0%, 8=3.1%, 16=2.9%, 32=0.0%, 64=0.0%, >=64=0.0%
- issued rwts: total=66975,0,0,0 short=0,0,0,0 dropped=0,0,0,0
- latency : target=0, window=0, percentile=100.00%, depth=32
- Run status group 0 (all jobs):
- READ: bw=13.1MiB/s (13.7MB/s), 13.1MiB/s-13.1MiB/s (13.7MB/s-13.7MB/s), io=262MiB (274MB), run=20002-20002msec
- ----------------------------
- seqread: (g=0): rw=read, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=posixaio, iodepth=32
- fio-3.19
- Starting 1 process
- Jobs: 1 (f=1): [R(1)][100.0%][r=13.2MiB/s][r=3370 IOPS][eta 00m:00s]
- seqread: (groupid=0, jobs=1): err= 0: pid=853: Fri Feb 12 11:16:20 2021
- read: IOPS=3249, BW=12.7MiB/s (13.3MB/s)(254MiB/20011msec)
- slat (nsec): min=657, max=10976k, avg=173133.38, stdev=303608.25
- clat (usec): min=20, max=26507, avg=3426.93, stdev=1806.60
- lat (usec): min=99, max=26508, avg=3600.07, stdev=1767.88
- clat percentiles (usec):
- | 1.00th=[ 302], 5.00th=[ 865], 10.00th=[ 1270], 20.00th=[ 1909],
- | 30.00th=[ 2474], 40.00th=[ 2933], 50.00th=[ 3294], 60.00th=[ 3687],
- | 70.00th=[ 4113], 80.00th=[ 4686], 90.00th=[ 5604], 95.00th=[ 6456],
- | 99.00th=[ 8586], 99.50th=[ 9896], 99.90th=[15664], 99.95th=[18220],
- | 99.99th=[20055]
- bw ( KiB/s): min= 9630, max=14379, per=100.00%, avg=13046.97, stdev=1058.90, samples=39
- iops : min= 2407, max= 3594, avg=3261.41, stdev=264.71, samples=39
- lat (usec) : 50=0.43%, 100=0.21%, 250=0.26%, 500=1.00%, 750=2.06%
- lat (usec) : 1000=2.62%
- lat (msec) : 2=14.85%, 4=46.03%, 10=32.04%, 20=0.48%, 50=0.01%
- cpu : usr=1.42%, sys=19.36%, ctx=36057, majf=0, minf=29
- IO depths : 1=1.4%, 2=6.1%, 4=18.1%, 8=62.7%, 16=11.7%, 32=0.0%, >=64=0.0%
- 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=93.9%, 8=1.8%, 16=4.3%, 32=0.0%, 64=0.0%, >=64=0.0%
- issued rwts: total=65021,0,0,0 short=0,0,0,0 dropped=0,0,0,0
- latency : target=0, window=0, percentile=100.00%, depth=32
- Run status group 0 (all jobs):
- READ: bw=12.7MiB/s (13.3MB/s), 12.7MiB/s-12.7MiB/s (13.3MB/s-13.3MB/s), io=254MiB (266MB), run=20011-20011msec
- ----------------------------
- seqread-sync: (g=0): rw=read, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=1
- fio-3.19
- Starting 1 process
- Jobs: 1 (f=1): [R(1)][100.0%][r=8318KiB/s][r=2079 IOPS][eta 00m:00s]
- seqread-sync: (groupid=0, jobs=1): err= 0: pid=855: Fri Feb 12 11:16:40 2021
- read: IOPS=2049, BW=8199KiB/s (8396kB/s)(160MiB/20001msec)
- clat (usec): min=57, max=7015, avg=483.51, stdev=155.45
- lat (usec): min=57, max=7015, avg=483.85, stdev=155.49
- clat percentiles (usec):
- | 1.00th=[ 330], 5.00th=[ 375], 10.00th=[ 383], 20.00th=[ 404],
- | 30.00th=[ 424], 40.00th=[ 437], 50.00th=[ 449], 60.00th=[ 469],
- | 70.00th=[ 490], 80.00th=[ 537], 90.00th=[ 611], 95.00th=[ 701],
- | 99.00th=[ 1020], 99.50th=[ 1270], 99.90th=[ 1991], 99.95th=[ 2507],
- | 99.99th=[ 4293]
- bw ( KiB/s): min= 7289, max= 8653, per=100.00%, avg=8204.05, stdev=239.90, samples=39
- iops : min= 1822, max= 2163, avg=2050.67, stdev=59.98, samples=39
- lat (usec) : 100=0.40%, 250=0.10%, 500=72.52%, 750=23.38%, 1000=2.52%
- lat (msec) : 2=1.00%, 4=0.08%, 10=0.02%
- cpu : usr=1.04%, sys=26.43%, ctx=41792, majf=0, minf=29
- IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
- 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=0.0%
- issued rwts: total=40996,0,0,0 short=0,0,0,0 dropped=0,0,0,0
- latency : target=0, window=0, percentile=100.00%, depth=1
- Run status group 0 (all jobs):
- READ: bw=8199KiB/s (8396kB/s), 8199KiB/s-8199KiB/s (8396kB/s-8396kB/s), io=160MiB (168MB), run=20001-20001msec
- ----------------------------
- randrw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=posixaio, iodepth=32
- fio-3.19
- Starting 1 process
- Jobs: 1 (f=1): [m(1)][100.0%][r=8031KiB/s,w=8027KiB/s][r=2007,w=2006 IOPS][eta 00m:00s]
- randrw: (groupid=0, jobs=1): err= 0: pid=857: Fri Feb 12 11:17:01 2021
- read: IOPS=1798, BW=7195KiB/s (7368kB/s)(141MiB/20001msec)
- slat (nsec): min=670, max=5970.7k, avg=183781.35, stdev=280736.97
- clat (usec): min=20, max=39653, avg=3350.54, stdev=1964.35
- lat (usec): min=367, max=39784, avg=3534.32, stdev=1928.79
- clat percentiles (usec):
- | 1.00th=[ 302], 5.00th=[ 914], 10.00th=[ 1270], 20.00th=[ 1827],
- | 30.00th=[ 2311], 40.00th=[ 2737], 50.00th=[ 3130], 60.00th=[ 3556],
- | 70.00th=[ 4015], 80.00th=[ 4555], 90.00th=[ 5538], 95.00th=[ 6456],
- | 99.00th=[ 9241], 99.50th=[11076], 99.90th=[15401], 99.95th=[24511],
- | 99.99th=[39060]
- bw ( KiB/s): min= 5051, max= 8596, per=99.98%, avg=7193.79, stdev=890.34, samples=39
- iops : min= 1262, max= 2149, avg=1798.10, stdev=222.66, samples=39
- write: IOPS=1800, BW=7201KiB/s (7374kB/s)(141MiB/20001msec)
- slat (nsec): min=706, max=12434k, avg=181978.74, stdev=282266.85
- clat (usec): min=19, max=39222, avg=2452.39, stdev=1669.64
- lat (usec): min=27, max=39223, avg=2634.37, stdev=1678.30
- clat percentiles (usec):
- | 1.00th=[ 23], 5.00th=[ 289], 10.00th=[ 594], 20.00th=[ 1074],
- | 30.00th=[ 1483], 40.00th=[ 1844], 50.00th=[ 2245], 60.00th=[ 2638],
- | 70.00th=[ 3097], 80.00th=[ 3621], 90.00th=[ 4490], 95.00th=[ 5276],
- | 99.00th=[ 7308], 99.50th=[ 8717], 99.90th=[12911], 99.95th=[14746],
- | 99.99th=[27395]
- bw ( KiB/s): min= 4918, max= 8640, per=99.91%, avg=7194.64, stdev=927.16, samples=39
- iops : min= 1229, max= 2160, avg=1798.23, stdev=231.82, samples=39
- lat (usec) : 20=0.01%, 50=1.30%, 100=0.26%, 250=1.09%, 500=2.40%
- lat (usec) : 750=3.18%, 1000=4.05%
- lat (msec) : 2=21.45%, 4=43.79%, 10=21.98%, 20=0.47%, 50=0.05%
- cpu : usr=1.83%, sys=23.71%, ctx=44515, majf=0, minf=30
- IO depths : 1=1.3%, 2=6.7%, 4=19.0%, 8=61.5%, 16=11.4%, 32=0.0%, >=64=0.0%
- 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=93.6%, 8=1.9%, 16=4.5%, 32=0.0%, 64=0.0%, >=64=0.0%
- issued rwts: total=35979,36007,0,0 short=0,0,0,0 dropped=0,0,0,0
- latency : target=0, window=0, percentile=100.00%, depth=32
- Run status group 0 (all jobs):
- READ: bw=7195KiB/s (7368kB/s), 7195KiB/s-7195KiB/s (7368kB/s-7368kB/s), io=141MiB (147MB), run=20001-20001msec
- WRITE: bw=7201KiB/s (7374kB/s), 7201KiB/s-7201KiB/s (7374kB/s-7374kB/s), io=141MiB (147MB), run=20001-20001msec
- ----------------------------
- Done!
- ------------------------------------------
- a123456@123456s-Mac ~ % sudo dd if=/dev/zero of=/dev/disk3 bs=4096 count=100000; sync
- 100000+0 records in
- 100000+0 records out
- 409600000 bytes transferred in 16.407716 secs (24963865 bytes/sec)
- a123456@123456s-Mac ~ % sudo dd of=/dev/zero if=/dev/disk3 bs=4096 count=100000; sync
- 100000+0 records in
- 100000+0 records out
- 409600000 bytes transferred in 45.164097 secs (9069151 bytes/sec)
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