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trivial.fio output examples
[global]
ioengine=posixaio
rw=readwrite
size=1g
directory=${HOME}/fio # environment variable
thread=1
[trivial-readwrite-1g]
[global]
ioengine=windowsaio
rw=readwrite
size=1g
directory=C\:\fio
thread=1
[trivial-readwrite-1g]
/dev/sda ST9500530NS 500G 7200RPM Enterprise SATA btrfs RAID1 on /
/dev/sdb ST9500530NS 500G 7200RPM Enterprise SATA btrfs RAID1 on /
/dev/sdc ST31000340NS 1TB 7200RPM Enterprise SATA ntfs-3g/Fuse
/dev/sdd ST31000340NS 1TB 7200RPM Enterprise SATA ext4
/dev/sde 4GB USB Flash PlanetCassandra branded ext4
/dev/sdf 00-1EJ162 SSHD 5400 RPM on USB3 Adapter ext4
/dev/sdg MRDPL7A256GTUN8C PCIe->AHCI Raijin-256GB-MT ext4
/dev/sdh ST9500430SS 500G 7200RPM SAS 6Gb/s ext4
/dev/sdi Samsung SSD 840 SATA SSD on SAS HBA ext4
/dev/sdj WDC WD3000BLFS-0 SATA 10KRPM on SAS HBA ext4
/dev/sdk SSD2SC240G1LC709 PNY SATA SSD on SAS HBA ext4
/dev/fioa FusionIO ioDrive II 1TB ext4
atobey@zorak ~ $ grep -E '(sd|fio)[a-z]' /proc/mounts |sort
/dev/fioa /mnt/fioa ext4 rw,relatime,data=ordered 0 0
/dev/sdb2 / btrfs rw,relatime,compress=lzo,space_cache 0 0
/dev/sdc1 /mnt/sdc fuseblk rw,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other,blksize=4096 0 0
/dev/sdd1 /mnt/sdd ext4 rw,relatime,data=ordered 0 0
/dev/sde1 /mnt/sde ext4 rw,relatime,data=ordered 0 0
/dev/sdf1 /mnt/sdf ext4 rw,relatime,data=ordered 0 0
/dev/sdg1 /mnt/sdg ext4 rw,relatime,data=ordered 0 0
/dev/sdh1 /mnt/sdh ext4 rw,relatime,data=ordered 0 0
/dev/sdi1 /mnt/sdi ext4 rw,relatime,data=ordered 0 0
/dev/sdj1 /mnt/sdj ext4 rw,relatime,data=ordered 0 0
/dev/sdk1 /mnt/sdk ext4 rw,relatime,data=ordered 0 0
atobey@atobey ~ $ fio trivial.fio
trivial-readwrite-1g: (g=0): rw=rw, bs=4K-4K/4K-4K/4K-4K, ioengine=posixaio, iodepth=1
fio-2.0.15
Starting 1 thread
Jobs: 1 (f=1): [M] [100.0% done] [57776K/56896K/0K /s] [14.5K/14.3K/0 iops] [eta 00m:00s]
trivial-readwrite-1g: (groupid=0, jobs=1): err= 0: pid=4355: Mon Apr 28 17:10:43 2014
read : io=524704KB, bw=120235KB/s, iops=30058 , runt= 4364msec
slat (usec): min=0 , max=24 , avg= 1.81, stdev= 1.18
clat (usec): min=0 , max=440 , avg= 9.46, stdev= 5.00
lat (usec): min=0 , max=445 , avg=11.28, stdev= 5.82
clat percentiles (usec):
| 1.00th=[ 6], 5.00th=[ 7], 10.00th=[ 7], 20.00th=[ 7],
| 30.00th=[ 7], 40.00th=[ 7], 50.00th=[ 7], 60.00th=[ 8],
| 70.00th=[ 8], 80.00th=[ 10], 90.00th=[ 19], 95.00th=[ 20],
| 99.00th=[ 24], 99.50th=[ 29], 99.90th=[ 38], 99.95th=[ 48],
| 99.99th=[ 60]
bw (KB/s) : min=98872, max=128856, per=99.65%, avg=119809.00, stdev=9993.25
write: io=523872KB, bw=120044KB/s, iops=30010 , runt= 4364msec
slat (usec): min=0 , max=237 , avg= 1.93, stdev= 1.40
clat (usec): min=1 , max=7784 , avg=16.77, stdev=92.85
lat (usec): min=4 , max=7785 , avg=18.70, stdev=92.88
clat percentiles (usec):
| 1.00th=[ 7], 5.00th=[ 7], 10.00th=[ 7], 20.00th=[ 8],
| 30.00th=[ 8], 40.00th=[ 8], 50.00th=[ 9], 60.00th=[ 9],
| 70.00th=[ 10], 80.00th=[ 11], 90.00th=[ 20], 95.00th=[ 21],
| 99.00th=[ 30], 99.50th=[ 54], 99.90th=[ 1400], 99.95th=[ 1464],
| 99.99th=[ 1560]
bw (KB/s) : min=98024, max=129832, per=99.77%, avg=119770.00, stdev=10199.86
lat (usec) : 2=0.01%, 4=0.01%, 10=70.87%, 20=19.44%, 50=9.39%
lat (usec) : 100=0.04%, 250=0.01%, 500=0.01%
lat (msec) : 2=0.24%, 10=0.01%
cpu : usr=16.73%, sys=27.52%, ctx=262582, majf=0, minf=14
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 : total=r=131176/w=130968/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
READ: io=524704KB, aggrb=120234KB/s, minb=120234KB/s, maxb=120234KB/s, mint=4364msec, maxt=4364msec
WRITE: io=523872KB, aggrb=120043KB/s, minb=120043KB/s, maxb=120043KB/s, mint=4364msec, maxt=4364msec
atobey@atobey ~ $ uname -a
Darwin atobey 13.1.0 Darwin Kernel Version 13.1.0: Wed Apr 2 23:52:02 PDT 2014; root:xnu-2422.92.1~2/RELEASE_X86_64 x86_64
atobey@brak ~ $ fio trivial.fio
trivial-readwrite-1g: (g=0): rw=rw, bs=4K-4K/4K-4K/4K-4K, ioengine=mmap, iodepth=1
fio-2.1.8
Starting 1 process
Jobs: 1 (f=1): [M] [-.-% done] [140.7MB/141.7MB/0KB /s] [36.2K/36.3K/0 iops] [eta 00m:00s]
trivial-readwrite-1g: (groupid=0, jobs=1): err= 0: pid=105595: Mon Apr 28 15:53:11 2014
read : io=524704KB, bw=161646KB/s, iops=40411, runt= 3246msec
clat (usec): min=0, max=35218, avg= 8.60, stdev=352.35
lat (usec): min=0, max=35218, avg= 8.65, stdev=352.35
clat percentiles (usec):
| 1.00th=[ 0], 5.00th=[ 0], 10.00th=[ 1], 20.00th=[ 1],
| 30.00th=[ 1], 40.00th=[ 1], 50.00th=[ 1], 60.00th=[ 1],
| 70.00th=[ 1], 80.00th=[ 1], 90.00th=[ 2], 95.00th=[ 2],
| 99.00th=[ 5], 99.50th=[ 9], 99.90th=[ 48], 99.95th=[ 9920],
| 99.99th=[16320]
bw (KB /s): min= 6, max=250792, per=100.00%, avg=163993.83, stdev=97161.24
write: io=523872KB, bw=161390KB/s, iops=40347, runt= 3246msec
clat (usec): min=1, max=37954, avg=10.54, stdev=357.76
lat (usec): min=1, max=37955, avg=10.62, stdev=357.76
clat percentiles (usec):
| 1.00th=[ 1], 5.00th=[ 2], 10.00th=[ 2], 20.00th=[ 2],
| 30.00th=[ 2], 40.00th=[ 2], 50.00th=[ 2], 60.00th=[ 3],
| 70.00th=[ 3], 80.00th=[ 4], 90.00th=[ 4], 95.00th=[ 5],
| 99.00th=[ 12], 99.50th=[ 21], 99.90th=[ 122], 99.95th=[ 2064],
| 99.99th=[15168]
bw (KB /s): min=118126, max=248240, per=100.00%, avg=196649.60, stdev=59514.26
lat (usec) : 2=44.16%, 4=44.11%, 10=10.70%, 20=0.64%, 50=0.22%
lat (usec) : 100=0.08%, 250=0.02%, 500=0.01%, 750=0.01%, 1000=0.01%
lat (msec) : 2=0.01%, 4=0.01%, 10=0.01%, 20=0.04%, 50=0.01%
cpu : usr=8.32%, sys=52.48%, ctx=11725, majf=1, minf=262166
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 : total=r=131176/w=130968/d=0, short=r=0/w=0/d=0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
READ: io=524704KB, aggrb=161646KB/s, minb=161646KB/s, maxb=161646KB/s, mint=3246msec, maxt=3246msec
WRITE: io=523872KB, aggrb=161390KB/s, minb=161390KB/s, maxb=161390KB/s, mint=3246msec, maxt=3246msec
atobey@brak ~ $
PS C:\Users\Al Tobey> fio .\trivial.fio
trivial-readwrite-1g: (g=0): rw=rw, bs=4K-4K/4K-4K/4K-4K, ioengine=windowsaio, iodepth=1
fio-2.1.8
Starting 1 thread
trivial-readwrite-1g: Laying out IO file(s) (1 file(s) / 1024MB)
Jobs: 1 (f=1): [M] [100.0% done] [19668KB/19234KB/0KB /s] [4917/4808/0 iops] [eta 00m:00s]
trivial-readwrite-1g: (groupid=0, jobs=1): err= 0: pid=436: Mon Apr 28 15:35:25 2014
read : io=524704KB, bw=17309KB/s, iops=4327, runt= 30314msec
slat (usec): min=10, max=3671, avg=36.35, stdev=17.48
clat (usec): min=1, max=208, avg=71.17, stdev=12.55
lat (usec): min=25, max=3742, avg=107.52, stdev=24.83
clat percentiles (usec):
| 1.00th=[ 41], 5.00th=[ 48], 10.00th=[ 61], 20.00th=[ 64],
| 30.00th=[ 64], 40.00th=[ 65], 50.00th=[ 68], 60.00th=[ 71],
| 70.00th=[ 84], 80.00th=[ 85], 90.00th=[ 85], 95.00th=[ 86],
| 99.00th=[ 94], 99.50th=[ 100], 99.90th=[ 117], 99.95th=[ 124],
| 99.99th=[ 131]
bw (KB /s): min=13552, max=20640, per=99.85%, avg=17281.20, stdev=2770.88
write: io=523872KB, bw=17282KB/s, iops=4320, runt= 30314msec
slat (usec): min=12, max=1659, avg=40.61, stdev=12.65
clat (usec): min=1, max=197, avg=71.18, stdev=12.72
lat (usec): min=28, max=1737, avg=111.79, stdev=21.92
clat percentiles (usec):
| 1.00th=[ 36], 5.00th=[ 46], 10.00th=[ 62], 20.00th=[ 64],
| 30.00th=[ 64], 40.00th=[ 65], 50.00th=[ 68], 60.00th=[ 71],
| 70.00th=[ 84], 80.00th=[ 85], 90.00th=[ 85], 95.00th=[ 87],
| 99.00th=[ 94], 99.50th=[ 99], 99.90th=[ 119], 99.95th=[ 125],
| 99.99th=[ 133]
bw (KB /s): min=13520, max=20376, per=99.85%, avg=17254.93, stdev=2757.72
lat (usec) : 2=0.01%, 4=0.01%, 10=0.01%, 20=0.03%, 50=5.99%
lat (usec) : 100=93.49%, 250=0.48%
cpu : usr=46.18%, sys=32.99%, ctx=0, majf=0, minf=0
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 : total=r=131176/w=130968/d=0, short=r=0/w=0/d=0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
READ: io=524704KB, aggrb=17308KB/s, minb=17308KB/s, maxb=17308KB/s, mint=30314msec, maxt=30314msec
WRITE: io=523872KB, aggrb=17281KB/s, minb=17281KB/s, maxb=17281KB/s, mint=30314msec, maxt=30314msec
PS C:\Users\Al Tobey>
atobey@zorak ~/fio $ cat sdj.txt
trivial-readwrite-1g: (g=0): rw=rw, bs=4K-4K/4K-4K/4K-4K, ioengine=posixaio, iodepth=1
fio-2.1.6.1
Starting 1 process
trivial-readwrite-1g: Laying out IO file(s) (1 file(s) / 1024MB)
trivial-readwrite-1g: (groupid=0, jobs=1): err= 0: pid=2526: Tue Apr 29 04:00:13 2014
read : io=524704KB, bw=18610KB/s, iops=4652, runt= 28194msec
slat (usec): min=0, max=77, avg= 1.09, stdev= 0.48
clat (usec): min=0, max=148153, avg=106.78, stdev=1655.88
lat (usec): min=4, max=148154, avg=107.88, stdev=1655.88
clat percentiles (usec):
| 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 4], 20.00th=[ 4],
| 30.00th=[ 4], 40.00th=[ 4], 50.00th=[ 4], 60.00th=[ 4],
| 70.00th=[ 4], 80.00th=[ 4], 90.00th=[ 5], 95.00th=[ 7],
| 99.00th=[ 2800], 99.50th=[ 3760], 99.90th=[26752], 99.95th=[39168],
| 99.99th=[59648]
bw (KB /s): min= 3593, max=61828, per=100.00%, avg=20092.78, stdev=19763.94
write: io=523872KB, bw=18581KB/s, iops=4645, runt= 28194msec
slat (usec): min=0, max=29, avg= 1.14, stdev= 0.48
clat (usec): min=4, max=2223.2K, avg=104.88, stdev=6466.79
lat (usec): min=5, max=2223.2K, avg=106.02, stdev=6466.79
clat percentiles (usec):
| 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 5],
| 30.00th=[ 5], 40.00th=[ 5], 50.00th=[ 5], 60.00th=[ 5],
| 70.00th=[ 5], 80.00th=[ 6], 90.00th=[ 6], 95.00th=[ 8],
| 99.00th=[ 38], 99.50th=[ 1848], 99.90th=[16768], 99.95th=[25216],
| 99.99th=[52480]
bw (KB /s): min= 3577, max=61520, per=100.00%, avg=20052.12, stdev=19746.59
lat (usec) : 2=0.01%, 4=2.73%, 10=94.45%, 20=0.98%, 50=0.47%
lat (usec) : 100=0.14%, 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
lat (msec) : 2=0.39%, 4=0.41%, 10=0.16%, 20=0.16%, 50=0.09%
lat (msec) : 100=0.01%, 250=0.01%, 500=0.01%, >=2000=0.01%
cpu : usr=2.23%, sys=1.34%, ctx=262217, majf=0, minf=48
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 : total=r=131176/w=130968/d=0, short=r=0/w=0/d=0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
READ: io=524704KB, aggrb=18610KB/s, minb=18610KB/s, maxb=18610KB/s, mint=28194msec, maxt=28194msec
WRITE: io=523872KB, aggrb=18580KB/s, minb=18580KB/s, maxb=18580KB/s, mint=28194msec, maxt=28194msec
Disk stats (read/write):
sdj: ios=3212/30408, merge=47/17, ticks=17660/3671180, in_queue=3695543, util=98.24%
atobey@zorak ~/fio $ cat sdh.txt
trivial-readwrite-1g: (g=0): rw=rw, bs=4K-4K/4K-4K/4K-4K, ioengine=posixaio, iodepth=1
fio-2.1.6.1
Starting 1 process
trivial-readwrite-1g: Laying out IO file(s) (1 file(s) / 1024MB)
trivial-readwrite-1g: (groupid=0, jobs=1): err= 0: pid=2435: Tue Apr 29 03:52:17 2014
read : io=524704KB, bw=2547.3KB/s, iops=636, runt=205988msec
slat (usec): min=0, max=73, avg= 1.41, stdev= 1.13
clat (usec): min=1, max=1748.2K, avg=371.27, stdev=9366.53
lat (usec): min=4, max=1748.2K, avg=372.69, stdev=9366.54
clat percentiles (usec):
| 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 4], 20.00th=[ 4],
| 30.00th=[ 4], 40.00th=[ 4], 50.00th=[ 4], 60.00th=[ 5],
| 70.00th=[ 6], 80.00th=[ 6], 90.00th=[ 7], 95.00th=[ 11],
| 99.00th=[ 2416], 99.50th=[11584], 99.90th=[85504], 99.95th=[119296],
| 99.99th=[185344]
bw (KB /s): min= 2, max=36392, per=100.00%, avg=2825.32, stdev=3593.18
write: io=523872KB, bw=2543.3KB/s, iops=635, runt=205988msec
slat (usec): min=0, max=29, avg= 1.47, stdev= 1.14
clat (usec): min=0, max=7286.3K, avg=1196.47, stdev=25918.24
lat (usec): min=5, max=7286.3K, avg=1197.95, stdev=25918.24
clat percentiles (usec):
| 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 5],
| 30.00th=[ 5], 40.00th=[ 5], 50.00th=[ 6], 60.00th=[ 6],
| 70.00th=[ 7], 80.00th=[ 8], 90.00th=[ 10], 95.00th=[ 13],
| 99.00th=[50944], 99.50th=[59648], 99.90th=[80384], 99.95th=[102912],
| 99.99th=[790528]
bw (KB /s): min= 11, max=36050, per=100.00%, avg=2818.06, stdev=3577.29
lat (usec) : 2=0.01%, 4=3.23%, 10=88.82%, 20=4.11%, 50=0.84%
lat (usec) : 100=1.04%, 250=0.11%, 500=0.01%, 750=0.01%, 1000=0.01%
lat (msec) : 2=0.24%, 4=0.26%, 10=0.17%, 20=0.09%, 50=0.44%
lat (msec) : 100=0.58%, 250=0.05%, 500=0.01%, 750=0.01%, 1000=0.01%
lat (msec) : 2000=0.01%, >=2000=0.01%
cpu : usr=0.42%, sys=0.26%, ctx=262309, majf=0, minf=49
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 : total=r=131176/w=130968/d=0, short=r=0/w=0/d=0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
READ: io=524704KB, aggrb=2547KB/s, minb=2547KB/s, maxb=2547KB/s, mint=205988msec, maxt=205988msec
WRITE: io=523872KB, aggrb=2543KB/s, minb=2543KB/s, maxb=2543KB/s, mint=205988msec, maxt=205988msec
Disk stats (read/write):
sdh: ios=3173/43663, merge=82/100, ticks=54850/29420953, in_queue=29549097, util=99.97%
atobey@zorak ~/fio $ cat sdd.txt
trivial-readwrite-1g: (g=0): rw=rw, bs=4K-4K/4K-4K/4K-4K, ioengine=posixaio, iodepth=1
fio-2.1.6.1
Starting 1 process
trivial-readwrite-1g: Laying out IO file(s) (1 file(s) / 1024MB)
trivial-readwrite-1g: (groupid=0, jobs=1): err= 0: pid=2387: Tue Apr 29 03:40:19 2014
read : io=524704KB, bw=4420.3KB/s, iops=1105, runt=118706msec
slat (usec): min=0, max=55, avg= 1.41, stdev= 0.95
clat (usec): min=0, max=5501.6K, avg=675.05, stdev=20206.85
lat (usec): min=4, max=5501.6K, avg=676.47, stdev=20206.87
clat percentiles (usec):
| 1.00th=[ 3], 5.00th=[ 4], 10.00th=[ 4], 20.00th=[ 4],
| 30.00th=[ 4], 40.00th=[ 4], 50.00th=[ 5], 60.00th=[ 5],
| 70.00th=[ 6], 80.00th=[ 7], 90.00th=[ 7], 95.00th=[ 9],
| 99.00th=[ 3856], 99.50th=[31104], 99.90th=[123392], 99.95th=[272384],
| 99.99th=[610304]
bw (KB /s): min= 3, max=49832, per=100.00%, avg=5341.36, stdev=9358.99
write: io=523872KB, bw=4413.2KB/s, iops=1103, runt=118706msec
slat (usec): min=0, max=28, avg= 1.47, stdev= 0.93
clat (usec): min=3, max=1981.5K, avg=225.84, stdev=11626.70
lat (usec): min=5, max=1981.5K, avg=227.31, stdev=11626.72
clat percentiles (usec):
| 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 5],
| 30.00th=[ 5], 40.00th=[ 5], 50.00th=[ 6], 60.00th=[ 7],
| 70.00th=[ 8], 80.00th=[ 8], 90.00th=[ 9], 95.00th=[ 10],
| 99.00th=[ 56], 99.50th=[ 1512], 99.90th=[39168], 99.95th=[61696],
| 99.99th=[514048]
bw (KB /s): min= 2, max=50552, per=100.00%, avg=5337.60, stdev=9395.86
lat (usec) : 2=0.01%, 4=1.65%, 10=91.41%, 20=4.53%, 50=0.67%
lat (usec) : 100=0.53%, 250=0.05%, 500=0.01%, 750=0.01%, 1000=0.01%
lat (msec) : 2=0.41%, 4=0.20%, 10=0.10%, 20=0.07%, 50=0.23%
lat (msec) : 100=0.10%, 250=0.04%, 500=0.02%, 750=0.01%, 1000=0.01%
lat (msec) : 2000=0.01%, >=2000=0.01%
cpu : usr=0.65%, sys=0.46%, ctx=262332, majf=0, minf=48
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 : total=r=131176/w=130968/d=0, short=r=0/w=0/d=0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
READ: io=524704KB, aggrb=4420KB/s, minb=4420KB/s, maxb=4420KB/s, mint=118706msec, maxt=118706msec
WRITE: io=523872KB, aggrb=4413KB/s, minb=4413KB/s, maxb=4413KB/s, mint=118706msec, maxt=118706msec
Disk stats (read/write):
sdd: ios=3054/60439, merge=196/97, ticks=100224/13601580, in_queue=13701796, util=99.26%
atobey@zorak ~/fio $ cat sdc.txt
trivial-readwrite-1g: (g=0): rw=rw, bs=4K-4K/4K-4K/4K-4K, ioengine=posixaio, iodepth=1
fio-2.1.6.1
Starting 1 process
trivial-readwrite-1g: Laying out IO file(s) (1 file(s) / 1024MB)
trivial-readwrite-1g: (groupid=0, jobs=1): err= 0: pid=2372: Tue Apr 29 03:38:09 2014
read : io=524704KB, bw=11856KB/s, iops=2963, runt= 44257msec
slat (usec): min=0, max=91, avg= 1.21, stdev= 0.61
clat (usec): min=0, max=193, avg= 5.32, stdev= 8.64
lat (usec): min=3, max=210, avg= 6.53, stdev= 8.72
clat percentiles (usec):
| 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 3], 20.00th=[ 4],
| 30.00th=[ 4], 40.00th=[ 4], 50.00th=[ 4], 60.00th=[ 4],
| 70.00th=[ 4], 80.00th=[ 4], 90.00th=[ 5], 95.00th=[ 5],
| 99.00th=[ 66], 99.50th=[ 72], 99.90th=[ 85], 99.95th=[ 97],
| 99.99th=[ 123]
bw (KB /s): min= 2424, max=116088, per=100.00%, avg=12022.45, stdev=25602.61
write: io=523872KB, bw=11837KB/s, iops=2959, runt= 44257msec
slat (usec): min=0, max=15, avg= 1.25, stdev= 0.58
clat (usec): min=21, max=146707, avg=328.39, stdev=3251.31
lat (usec): min=22, max=146709, avg=329.64, stdev=3251.31
clat percentiles (usec):
| 1.00th=[ 22], 5.00th=[ 22], 10.00th=[ 23], 20.00th=[ 23],
| 30.00th=[ 23], 40.00th=[ 24], 50.00th=[ 24], 60.00th=[ 25],
| 70.00th=[ 25], 80.00th=[ 26], 90.00th=[ 29], 95.00th=[ 60],
| 99.00th=[ 290], 99.50th=[29056], 99.90th=[39168], 99.95th=[50432],
| 99.99th=[75264]
bw (KB /s): min= 2409, max=116384, per=100.00%, avg=12001.88, stdev=25586.54
lat (usec) : 2=0.01%, 4=6.20%, 10=42.31%, 20=0.22%, 50=47.33%
lat (usec) : 100=2.85%, 250=0.59%, 500=0.01%
lat (msec) : 10=0.01%, 20=0.13%, 50=0.33%, 100=0.03%, 250=0.01%
cpu : usr=1.84%, sys=0.98%, ctx=262199, majf=0, minf=48
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 : total=r=131176/w=130968/d=0, short=r=0/w=0/d=0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
READ: io=524704KB, aggrb=11855KB/s, minb=11855KB/s, maxb=11855KB/s, mint=44257msec, maxt=44257msec
WRITE: io=523872KB, aggrb=11837KB/s, minb=11837KB/s, maxb=11837KB/s, mint=44257msec, maxt=44257msec
Disk stats (read/write):
sdc: ios=0/31451, merge=0/31600, ticks=0/6130420, in_queue=6149586, util=96.62%
atobey@zorak ~/fio $ cat sdb.txt
trivial-readwrite-1g: (g=0): rw=rw, bs=4K-4K/4K-4K/4K-4K, ioengine=posixaio, iodepth=1
fio-2.1.6.1
Starting 1 process
trivial-readwrite-1g: Laying out IO file(s) (1 file(s) / 1024MB)
trivial-readwrite-1g: (groupid=0, jobs=1): err= 0: pid=2358: Tue Apr 29 03:36:29 2014
read : io=524704KB, bw=21447KB/s, iops=5361, runt= 24465msec
slat (usec): min=0, max=68, avg= 1.14, stdev= 0.48
clat (usec): min=2, max=2804.5K, avg=124.78, stdev=8852.32
lat (usec): min=3, max=2804.5K, avg=125.92, stdev=8852.32
clat percentiles (usec):
| 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 4], 20.00th=[ 4],
| 30.00th=[ 4], 40.00th=[ 4], 50.00th=[ 4], 60.00th=[ 4],
| 70.00th=[ 4], 80.00th=[ 5], 90.00th=[ 5], 95.00th=[ 6],
| 99.00th=[ 12], 99.50th=[ 6304], 99.90th=[ 7264], 99.95th=[14016],
| 99.99th=[173056]
bw (KB /s): min= 356, max=44412, per=100.00%, avg=24450.73, stdev=11048.08
write: io=523872KB, bw=21413KB/s, iops=5353, runt= 24465msec
slat (usec): min=0, max=18, avg= 1.18, stdev= 0.47
clat (usec): min=2, max=328869, avg=58.19, stdev=1140.41
lat (usec): min=6, max=328870, avg=59.37, stdev=1140.41
clat percentiles (usec):
| 1.00th=[ 5], 5.00th=[ 6], 10.00th=[ 6], 20.00th=[ 6],
| 30.00th=[ 6], 40.00th=[ 6], 50.00th=[ 6], 60.00th=[ 7],
| 70.00th=[ 7], 80.00th=[ 8], 90.00th=[ 8], 95.00th=[ 9],
| 99.00th=[ 15], 99.50th=[ 6304], 99.90th=[ 7264], 99.95th=[ 7328],
| 99.99th=[ 7968]
bw (KB /s): min= 336, max=43920, per=100.00%, avg=24393.12, stdev=11005.51
lat (usec) : 4=3.34%, 10=94.19%, 20=1.68%, 50=0.04%, 100=0.01%
lat (usec) : 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
lat (msec) : 2=0.01%, 4=0.01%, 10=0.69%, 20=0.01%, 50=0.01%
lat (msec) : 100=0.01%, 250=0.01%, 500=0.01%, 750=0.01%, >=2000=0.01%
cpu : usr=2.91%, sys=1.37%, ctx=262226, majf=0, minf=46
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 : total=r=131176/w=130968/d=0, short=r=0/w=0/d=0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
READ: io=524704KB, aggrb=21447KB/s, minb=21447KB/s, maxb=21447KB/s, mint=24465msec, maxt=24465msec
WRITE: io=523872KB, aggrb=21413KB/s, minb=21413KB/s, maxb=21413KB/s, mint=24465msec, maxt=24465msec
atobey@zorak ~/fio $ cat fioa.txt
trivial-readwrite-1g: (g=0): rw=rw, bs=4K-4K/4K-4K/4K-4K, ioengine=posixaio, iodepth=1
fio-2.1.6.1
Starting 1 process
trivial-readwrite-1g: Laying out IO file(s) (1 file(s) / 1024MB)
trivial-readwrite-1g: (groupid=0, jobs=1): err= 0: pid=2606: Tue Apr 29 04:05:20 2014
read : io=524704KB, bw=185539KB/s, iops=46384, runt= 2828msec
slat (usec): min=0, max=67, avg= 1.12, stdev= 0.43
clat (usec): min=1, max=8988, avg=11.67, stdev=93.79
lat (usec): min=3, max=8989, avg=12.79, stdev=93.80
clat percentiles (usec):
| 1.00th=[ 3], 5.00th=[ 4], 10.00th=[ 4], 20.00th=[ 4],
| 30.00th=[ 4], 40.00th=[ 4], 50.00th=[ 4], 60.00th=[ 4],
| 70.00th=[ 4], 80.00th=[ 5], 90.00th=[ 5], 95.00th=[ 6],
| 99.00th=[ 286], 99.50th=[ 486], 99.90th=[ 524], 99.95th=[ 2160],
| 99.99th=[ 3920]
bw (KB /s): min=168232, max=203224, per=100.00%, avg=187248.00, stdev=12682.47
write: io=523872KB, bw=185245KB/s, iops=46311, runt= 2828msec
slat (usec): min=0, max=10, avg= 1.17, stdev= 0.43
clat (usec): min=1, max=3926, avg= 6.34, stdev=34.92
lat (usec): min=4, max=3928, avg= 7.51, stdev=34.93
clat percentiles (usec):
| 1.00th=[ 5], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 5],
| 30.00th=[ 5], 40.00th=[ 5], 50.00th=[ 5], 60.00th=[ 6],
| 70.00th=[ 6], 80.00th=[ 6], 90.00th=[ 7], 95.00th=[ 7],
| 99.00th=[ 9], 99.50th=[ 13], 99.90th=[ 245], 99.95th=[ 253],
| 99.99th=[ 2224]
bw (KB /s): min=168336, max=202752, per=100.00%, avg=187204.40, stdev=12584.71
lat (usec) : 2=0.01%, 4=1.71%, 10=96.34%, 20=0.61%, 50=0.52%
lat (usec) : 100=0.01%, 250=0.11%, 500=0.57%, 750=0.10%
lat (msec) : 2=0.01%, 4=0.03%, 10=0.01%
cpu : usr=24.76%, sys=11.43%, ctx=262457, majf=0, minf=47
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 : total=r=131176/w=130968/d=0, short=r=0/w=0/d=0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
READ: io=524704KB, aggrb=185538KB/s, minb=185538KB/s, maxb=185538KB/s, mint=2828msec, maxt=2828msec
WRITE: io=523872KB, aggrb=185244KB/s, minb=185244KB/s, maxb=185244KB/s, mint=2828msec, maxt=2828msec
Disk stats (read/write):
fioa: ios=0/0, merge=0/0, ticks=0/0, in_queue=700826, util=13.43%
atobey@zorak ~/fio $ cat sdk.txt
trivial-readwrite-1g: (g=0): rw=rw, bs=4K-4K/4K-4K/4K-4K, ioengine=posixaio, iodepth=1
fio-2.1.6.1
Starting 1 process
trivial-readwrite-1g: Laying out IO file(s) (1 file(s) / 1024MB)
trivial-readwrite-1g: (groupid=0, jobs=1): err= 0: pid=2534: Tue Apr 29 04:00:27 2014
read : io=524704KB, bw=68986KB/s, iops=17246, runt= 7606msec
slat (usec): min=0, max=56, avg= 1.07, stdev= 0.40
clat (usec): min=0, max=35977, avg=43.20, stdev=366.72
lat (usec): min=4, max=35978, avg=44.27, stdev=366.72
clat percentiles (usec):
| 1.00th=[ 3], 5.00th=[ 4], 10.00th=[ 4], 20.00th=[ 4],
| 30.00th=[ 4], 40.00th=[ 4], 50.00th=[ 4], 60.00th=[ 4],
| 70.00th=[ 4], 80.00th=[ 4], 90.00th=[ 5], 95.00th=[ 9],
| 99.00th=[ 1512], 99.50th=[ 3088], 99.90th=[ 4832], 99.95th=[ 5472],
| 99.99th=[ 6816]
bw (KB /s): min=62000, max=83232, per=99.12%, avg=68376.80, stdev=4815.53
write: io=523872KB, bw=68876KB/s, iops=17219, runt= 7606msec
slat (usec): min=0, max=19, avg= 1.12, stdev= 0.41
clat (usec): min=3, max=6094, avg=11.44, stdev=120.03
lat (usec): min=5, max=6095, avg=12.56, stdev=120.03
clat percentiles (usec):
| 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 5],
| 30.00th=[ 5], 40.00th=[ 5], 50.00th=[ 5], 60.00th=[ 5],
| 70.00th=[ 5], 80.00th=[ 6], 90.00th=[ 6], 95.00th=[ 7],
| 99.00th=[ 19], 99.50th=[ 42], 99.90th=[ 2352], 99.95th=[ 3216],
| 99.99th=[ 4256]
bw (KB /s): min=60544, max=82016, per=99.08%, avg=68242.13, stdev=4780.97
lat (usec) : 2=0.01%, 4=2.42%, 10=93.28%, 20=2.50%, 50=0.67%
lat (usec) : 100=0.01%, 250=0.08%, 500=0.12%, 750=0.10%, 1000=0.09%
lat (msec) : 2=0.26%, 4=0.33%, 10=0.13%, 20=0.01%, 50=0.01%
cpu : usr=7.84%, sys=5.04%, ctx=263087, majf=0, minf=47
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 : total=r=131176/w=130968/d=0, short=r=0/w=0/d=0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
READ: io=524704KB, aggrb=68985KB/s, minb=68985KB/s, maxb=68985KB/s, mint=7606msec, maxt=7606msec
WRITE: io=523872KB, aggrb=68876KB/s, minb=68876KB/s, maxb=68876KB/s, mint=7606msec, maxt=7606msec
Disk stats (read/write):
sdk: ios=3032/63646, merge=184/85, ticks=6380/272683, in_queue=279023, util=88.81%
atobey@zorak ~/fio $ cat sdg.txt
trivial-readwrite-1g: (g=0): rw=rw, bs=4K-4K/4K-4K/4K-4K, ioengine=posixaio, iodepth=1
fio-2.1.6.1
Starting 1 process
trivial-readwrite-1g: Laying out IO file(s) (1 file(s) / 1024MB)
trivial-readwrite-1g: (groupid=0, jobs=1): err= 0: pid=2427: Tue Apr 29 03:48:39 2014
read : io=524704KB, bw=76778KB/s, iops=19194, runt= 6834msec
slat (usec): min=0, max=62, avg= 1.09, stdev= 0.50
clat (usec): min=0, max=9385, avg=37.49, stdev=296.94
lat (usec): min=4, max=9386, avg=38.58, stdev=296.96
clat percentiles (usec):
| 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 4], 20.00th=[ 4],
| 30.00th=[ 4], 40.00th=[ 4], 50.00th=[ 4], 60.00th=[ 4],
| 70.00th=[ 4], 80.00th=[ 4], 90.00th=[ 9], 95.00th=[ 13],
| 99.00th=[ 1432], 99.50th=[ 2544], 99.90th=[ 4128], 99.95th=[ 4384],
| 99.99th=[ 4704]
bw (KB /s): min=73096, max=79376, per=100.00%, avg=76821.69, stdev=1841.91
write: io=523872KB, bw=76657KB/s, iops=19164, runt= 6834msec
slat (usec): min=0, max=24, avg= 1.14, stdev= 0.51
clat (usec): min=0, max=4116, avg=11.25, stdev=101.33
lat (usec): min=5, max=4117, avg=12.39, stdev=101.33
clat percentiles (usec):
| 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 5],
| 30.00th=[ 5], 40.00th=[ 5], 50.00th=[ 5], 60.00th=[ 5],
| 70.00th=[ 5], 80.00th=[ 6], 90.00th=[ 9], 95.00th=[ 14],
| 99.00th=[ 24], 99.50th=[ 302], 99.90th=[ 1848], 99.95th=[ 2864],
| 99.99th=[ 3664]
bw (KB /s): min=73008, max=79536, per=100.00%, avg=76751.46, stdev=1932.89
lat (usec) : 2=0.01%, 4=2.90%, 10=87.38%, 20=7.59%, 50=0.90%
lat (usec) : 100=0.04%, 250=0.01%, 500=0.29%, 750=0.12%, 1000=0.13%
lat (msec) : 2=0.26%, 4=0.31%, 10=0.06%
cpu : usr=10.54%, sys=3.89%, ctx=264527, majf=0, minf=47
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 : total=r=131176/w=130968/d=0, short=r=0/w=0/d=0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
READ: io=524704KB, aggrb=76778KB/s, minb=76778KB/s, maxb=76778KB/s, mint=6834msec, maxt=6834msec
WRITE: io=523872KB, aggrb=76656KB/s, minb=76656KB/s, maxb=76656KB/s, mint=6834msec, maxt=6834msec
Disk stats (read/write):
sdg: ios=2989/63342, merge=167/66, ticks=5304/245337, in_queue=251024, util=87.82%
atobey@zorak ~/fio $ cat sdi.txt
trivial-readwrite-1g: (g=0): rw=rw, bs=4K-4K/4K-4K/4K-4K, ioengine=posixaio, iodepth=1
fio-2.1.6.1
Starting 1 process
trivial-readwrite-1g: Laying out IO file(s) (1 file(s) / 1024MB)
trivial-readwrite-1g: (groupid=0, jobs=1): err= 0: pid=2450: Tue Apr 29 03:52:26 2014
read : io=524704KB, bw=78761KB/s, iops=19690, runt= 6662msec
slat (usec): min=0, max=57, avg= 1.10, stdev= 0.44
clat (usec): min=1, max=10179, avg=36.47, stdev=296.39
lat (usec): min=4, max=10180, avg=37.57, stdev=296.39
clat percentiles (usec):
| 1.00th=[ 3], 5.00th=[ 4], 10.00th=[ 4], 20.00th=[ 4],
| 30.00th=[ 4], 40.00th=[ 4], 50.00th=[ 4], 60.00th=[ 4],
| 70.00th=[ 4], 80.00th=[ 5], 90.00th=[ 6], 95.00th=[ 8],
| 99.00th=[ 1128], 99.50th=[ 2768], 99.90th=[ 3472], 99.95th=[ 4896],
| 99.99th=[ 6176]
bw (KB /s): min=75976, max=82342, per=100.00%, avg=78792.23, stdev=2077.03
write: io=523872KB, bw=78636KB/s, iops=19658, runt= 6662msec
slat (usec): min=0, max=13, avg= 1.14, stdev= 0.45
clat (usec): min=3, max=5262, avg=10.86, stdev=108.54
lat (usec): min=4, max=5263, avg=12.01, stdev=108.55
clat percentiles (usec):
| 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 5],
| 30.00th=[ 5], 40.00th=[ 5], 50.00th=[ 5], 60.00th=[ 5],
| 70.00th=[ 6], 80.00th=[ 6], 90.00th=[ 7], 95.00th=[ 9],
| 99.00th=[ 13], 99.50th=[ 71], 99.90th=[ 2224], 99.95th=[ 2576],
| 99.99th=[ 4640]
bw (KB /s): min=75681, max=82892, per=99.99%, avg=78630.08, stdev=2264.66
lat (usec) : 2=0.01%, 4=2.28%, 10=94.10%, 20=2.06%, 50=0.40%
lat (usec) : 100=0.07%, 250=0.16%, 500=0.02%, 750=0.22%, 1000=0.01%
lat (msec) : 2=0.22%, 4=0.41%, 10=0.04%, 20=0.01%
cpu : usr=10.10%, sys=5.04%, ctx=264316, majf=0, minf=48
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 : total=r=131176/w=130968/d=0, short=r=0/w=0/d=0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
READ: io=524704KB, aggrb=78760KB/s, minb=78760KB/s, maxb=78760KB/s, mint=6662msec, maxt=6662msec
WRITE: io=523872KB, aggrb=78635KB/s, minb=78635KB/s, maxb=78635KB/s, mint=6662msec, maxt=6662msec
Disk stats (read/write):
sdi: ios=2956/63321, merge=199/56, ticks=5120/247670, in_queue=252746, util=86.92%
atobey@zorak ~/fio $ cat sde.txt
trivial-readwrite-1g: (g=0): rw=rw, bs=4K-4K/4K-4K/4K-4K, ioengine=posixaio, iodepth=1
fio-2.1.6.1
Starting 1 process
trivial-readwrite-1g: (groupid=0, jobs=1): err= 0: pid=2400: Tue Apr 29 03:43:44 2014
read : io=524704KB, bw=2578.1KB/s, iops=644, runt=203524msec
slat (usec): min=0, max=91, avg= 1.21, stdev= 0.87
clat (usec): min=0, max=1625.7K, avg=143.86, stdev=6165.82
lat (usec): min=3, max=1625.7K, avg=145.07, stdev=6165.82
clat percentiles (usec):
| 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 3], 20.00th=[ 4],
| 30.00th=[ 4], 40.00th=[ 4], 50.00th=[ 4], 60.00th=[ 4],
| 70.00th=[ 5], 80.00th=[ 5], 90.00th=[ 6], 95.00th=[ 12],
| 99.00th=[ 6432], 99.50th=[ 6688], 99.90th=[ 7136], 99.95th=[ 7584],
| 99.99th=[16768]
bw (KB /s): min= 14, max=151656, per=100.00%, avg=2800.55, stdev=8449.64
write: io=523872KB, bw=2574.6KB/s, iops=643, runt=203524msec
slat (usec): min=0, max=23, avg= 1.25, stdev= 0.84
clat (usec): min=0, max=4102.3K, avg=1405.81, stdev=18354.24
lat (usec): min=5, max=4102.3K, avg=1407.06, stdev=18354.23
clat percentiles (usec):
| 1.00th=[ 4], 5.00th=[ 4], 10.00th=[ 5], 20.00th=[ 5],
| 30.00th=[ 5], 40.00th=[ 5], 50.00th=[ 5], 60.00th=[ 5],
| 70.00th=[ 6], 80.00th=[ 7], 90.00th=[ 8], 95.00th=[ 13],
| 99.00th=[66048], 99.50th=[89600], 99.90th=[146432], 99.95th=[179200],
| 99.99th=[415744]
bw (KB /s): min= 5, max=151104, per=100.00%, avg=2795.43, stdev=8428.63
lat (usec) : 2=0.01%, 4=5.56%, 10=87.30%, 20=3.53%, 50=0.83%
lat (usec) : 100=0.45%, 250=0.05%, 500=0.01%, 750=0.01%, 1000=0.12%
lat (msec) : 2=0.30%, 4=0.01%, 10=1.12%, 20=0.04%, 50=0.03%
lat (msec) : 100=0.47%, 250=0.17%, 500=0.01%, 750=0.01%, 1000=0.01%
lat (msec) : 2000=0.01%, >=2000=0.01%
cpu : usr=0.39%, sys=0.19%, ctx=262182, majf=0, minf=47
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 : total=r=131176/w=130968/d=0, short=r=0/w=0/d=0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
READ: io=524704KB, aggrb=2578KB/s, minb=2578KB/s, maxb=2578KB/s, mint=203524msec, maxt=203524msec
WRITE: io=523872KB, aggrb=2574KB/s, minb=2574KB/s, maxb=2574KB/s, mint=203524msec, maxt=203524msec
Disk stats (read/write):
sde: ios=4004/34047, merge=0/10296, ticks=86410/19969734, in_queue=20056223, util=99.80%
atobey@zorak ~/fio $ cat sdf.txt
trivial-readwrite-1g: (g=0): rw=rw, bs=4K-4K/4K-4K/4K-4K, ioengine=posixaio, iodepth=1
fio-2.1.6.1
Starting 1 process
trivial-readwrite-1g: Laying out IO file(s) (1 file(s) / 1024MB)
trivial-readwrite-1g: (groupid=0, jobs=1): err= 0: pid=2413: Tue Apr 29 03:48:29 2014
read : io=524704KB, bw=2119.5KB/s, iops=529, runt=247563msec
slat (usec): min=0, max=69, avg= 1.29, stdev= 1.05
clat (usec): min=2, max=4691.6K, avg=399.21, stdev=18257.22
lat (usec): min=4, max=4691.6K, avg=400.50, stdev=18257.24
clat percentiles (usec):
| 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 4], 20.00th=[ 4],
| 30.00th=[ 4], 40.00th=[ 4], 50.00th=[ 4], 60.00th=[ 4],
| 70.00th=[ 5], 80.00th=[ 5], 90.00th=[ 8], 95.00th=[ 36],
| 99.00th=[ 4704], 99.50th=[13504], 99.90th=[41216], 99.95th=[61696],
| 99.99th=[99840]
bw (KB /s): min= 0, max=16350, per=100.00%, avg=2710.34, stdev=3279.21
write: io=523872KB, bw=2116.2KB/s, iops=529, runt=247563msec
slat (usec): min=0, max=25, avg= 1.34, stdev= 1.06
clat (usec): min=0, max=5093.2K, avg=1486.29, stdev=34320.66
lat (usec): min=5, max=5093.2K, avg=1487.63, stdev=34320.67
clat percentiles (usec):
| 1.00th=[ 4], 5.00th=[ 5], 10.00th=[ 5], 20.00th=[ 5],
| 30.00th=[ 5], 40.00th=[ 5], 50.00th=[ 5], 60.00th=[ 6],
| 70.00th=[ 6], 80.00th=[ 7], 90.00th=[ 10], 95.00th=[ 16],
| 99.00th=[12224], 99.50th=[65280], 99.90th=[199680], 99.95th=[199680],
| 99.99th=[1236992]
bw (KB /s): min= 0, max=17067, per=100.00%, avg=2704.03, stdev=3275.31
lat (usec) : 2=0.01%, 4=3.66%, 10=85.92%, 20=5.30%, 50=0.68%
lat (usec) : 100=0.41%, 250=0.06%, 500=0.03%, 750=0.48%, 1000=0.18%
lat (msec) : 2=0.08%, 4=1.88%, 10=0.34%, 20=0.48%, 50=0.21%
lat (msec) : 100=0.06%, 250=0.23%, 500=0.01%, 750=0.01%, 1000=0.01%
lat (msec) : 2000=0.01%, >=2000=0.01%
cpu : usr=0.32%, sys=0.17%, ctx=262244, majf=0, minf=48
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 : total=r=131176/w=130968/d=0, short=r=0/w=0/d=0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
READ: io=524704KB, aggrb=2119KB/s, minb=2119KB/s, maxb=2119KB/s, mint=247563msec, maxt=247563msec
WRITE: io=523872KB, aggrb=2116KB/s, minb=2116KB/s, maxb=2116KB/s, mint=247563msec, maxt=247563msec
Disk stats (read/write):
sdf: ios=11388/34706, merge=0/103, ticks=223284/34866930, in_queue=35180554, util=99.99%
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