Configuration of storage:
IBM V7000 gen2+
10x SSD 4TB
Interface 10GBe (iSCSI)
Dedicated card for compression
Configuration of test VM
2CPU, 4GB RAM
Linux Debian on ESX 6
Datastore mapped to ESX
Better IOPS during read operation and only a little lower on write. CPU usage for compression 30%.
Without compression:
test: (g=0): rw=randrw, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.0.9
Starting 1 process
test: Laying out IO file(s) (1 file(s) / 40960MB)
test: (groupid=0, jobs=1): err= 0: pid=3987: Wed Mar 29 07:57:35 2017
read : io=30723MB, bw=139125KB/s, iops=34781 , runt=226126msec
write: io=10237MB, bw=46360KB/s, iops=11589 , runt=226126msec
cpu : usr=9.58%, sys=37.75%, ctx=709816, majf=0, minf=4
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
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=0.1%, >=64=0.0%
issued : total=r=7864963/w=2620797/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
READ: io=30723MB, aggrb=139125KB/s, minb=139125KB/s, maxb=139125KB/s, mint=226126msec, maxt=226126msec
WRITE: io=10237MB, aggrb=46359KB/s, minb=46359KB/s, maxb=46359KB/s, mint=226126msec, maxt=226126msec
Disk stats (read/write):
sdb: ios=7856666/2618202, merge=0/45, ticks=10471096/3310356, in_queue=13777900, util=100.00%
test read 100%
test: (g=0): rw=randread, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.0.9
Starting 1 process
test: (groupid=0, jobs=1): err= 0: pid=3991: Wed Mar 29 08:00:59 2017
read : io=40960MB, bw=206382KB/s, iops=51595 , runt=203230msec
cpu : usr=9.88%, sys=38.44%, ctx=665551, majf=0, minf=68
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
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=0.1%, >=64=0.0%
issued : total=r=10485760/w=0/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
READ: io=40960MB, aggrb=206382KB/s, minb=206382KB/s, maxb=206382KB/s, mint=203230msec, maxt=203230msec
Disk stats (read/write):
sdb: ios=10475310/2, merge=0/1, ticks=11981140/0, in_queue=12170624, util=100.00%
test write 100%
test: (g=0): rw=randwrite, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.0.9
Starting 1 process
test: (groupid=0, jobs=1): err= 0: pid=3995: Wed Mar 29 08:05:59 2017
write: io=40960MB, bw=139572KB/s, iops=34892 , runt=300512msec
cpu : usr=7.17%, sys=29.45%, ctx=546661, majf=0, minf=4
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
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=0.1%, >=64=0.0%
issued : total=r=0/w=10485760/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
WRITE: io=40960MB, aggrb=139571KB/s, minb=139571KB/s, maxb=139571KB/s, mint=300512msec, maxt=300512msec
Disk stats (read/write):
sdb: ios=0/10480731, merge=0/60, ticks=0/17984528, in_queue=17979712, util=100.00%
With compression:
test: (g=0): rw=randrw, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.0.9
Starting 1 process
test: Laying out IO file(s) (1 file(s) / 40960MB)
test: (groupid=0, jobs=1): err= 0: pid=4021: Wed Mar 29 08:54:43 2017
read : io=30719MB, bw=164117KB/s, iops=41029 , runt=191668msec
write: io=10241MB, bw=54715KB/s, iops=13678 , runt=191668msec
cpu : usr=10.62%, sys=45.65%, ctx=419306, majf=0, minf=4
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
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=0.1%, >=64=0.0%
issued : total=r=7863971/w=2621789/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
READ: io=30719MB, aggrb=164116KB/s, minb=164116KB/s, maxb=164116KB/s, mint=191668msec, maxt=191668msec
WRITE: io=10241MB, aggrb=54715KB/s, minb=54715KB/s, maxb=54715KB/s, mint=191668msec, maxt=191668msec
Disk stats (read/write):
sdb: ios=7853399/2618338, merge=0/38, ticks=7420120/3239660, in_queue=10970028, util=100.00%
test read 100%
test: (g=0): rw=randread, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.0.9
Starting 1 process
test: (groupid=0, jobs=1): err= 0: pid=4024: Wed Mar 29 08:56:51 2017
read : io=40960MB, bw=328339KB/s, iops=82084 , runt=127743msec
cpu : usr=13.15%, sys=60.54%, ctx=294145, majf=0, minf=68
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
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=0.1%, >=64=0.0%
issued : total=r=10485760/w=0/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
READ: io=40960MB, aggrb=328339KB/s, minb=328339KB/s, maxb=328339KB/s, mint=127743msec, maxt=127743msec
Disk stats (read/write):
sdb: ios=10466773/3, merge=0/1, ticks=6400748/8700, in_queue=6405540, util=100.00%
test write 100%
test: (g=0): rw=randwrite, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.0.9
Starting 1 process
test: (groupid=0, jobs=1): err= 0: pid=4028: Wed Mar 29 09:02:27 2017
write: io=40960MB, bw=125056KB/s, iops=31264 , runt=335393msec
cpu : usr=6.91%, sys=31.93%, ctx=491626, majf=0, minf=4
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
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=0.1%, >=64=0.0%
issued : total=r=0/w=10485760/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
WRITE: io=40960MB, aggrb=125056KB/s, minb=125056KB/s, maxb=125056KB/s, mint=335393msec, maxt=335393msec
Showing posts with label IBM. Show all posts
Showing posts with label IBM. Show all posts
Thursday, 11 May 2017
IBM V7000 performance DRAID5 vs DRAID6 on SSD
Configuration of storage:
IBM V7000 gen2+
10x SSD 4TB
Interface 10GBe (iSCSI)
Configuration of test VM
2CPU, 4GB RAM
Linux Debian on ESX 6
Datastore mapped to ESX
Performance limited by disks, CPU usage under 40% on storage.
DRAID5 (8D + 1P + 1S)
test: (g=0): rw=randrw, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.0.9
Starting 1 process
test: Laying out IO file(s) (1 file(s) / 40960MB)
test: (groupid=0, jobs=1): err= 0: pid=3987: Wed Mar 29 07:57:35 2017
read : io=30723MB, bw=139125KB/s, iops=34781 , runt=226126msec
write: io=10237MB, bw=46360KB/s, iops=11589 , runt=226126msec
cpu : usr=9.58%, sys=37.75%, ctx=709816, majf=0, minf=4
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
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=0.1%, >=64=0.0%
issued : total=r=7864963/w=2620797/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
READ: io=30723MB, aggrb=139125KB/s, minb=139125KB/s, maxb=139125KB/s, mint=226126msec, maxt=226126msec
WRITE: io=10237MB, aggrb=46359KB/s, minb=46359KB/s, maxb=46359KB/s, mint=226126msec, maxt=226126msec
Disk stats (read/write):
sdb: ios=7856666/2618202, merge=0/45, ticks=10471096/3310356, in_queue=13777900, util=100.00%
test read 100%
test: (g=0): rw=randread, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.0.9
Starting 1 process
test: (groupid=0, jobs=1): err= 0: pid=3991: Wed Mar 29 08:00:59 2017
read : io=40960MB, bw=206382KB/s, iops=51595 , runt=203230msec
cpu : usr=9.88%, sys=38.44%, ctx=665551, majf=0, minf=68
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
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=0.1%, >=64=0.0%
issued : total=r=10485760/w=0/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
READ: io=40960MB, aggrb=206382KB/s, minb=206382KB/s, maxb=206382KB/s, mint=203230msec, maxt=203230msec
Disk stats (read/write):
sdb: ios=10475310/2, merge=0/1, ticks=11981140/0, in_queue=12170624, util=100.00%
test write 100%
test: (g=0): rw=randwrite, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.0.9
Starting 1 process
test: (groupid=0, jobs=1): err= 0: pid=3995: Wed Mar 29 08:05:59 2017
write: io=40960MB, bw=139572KB/s, iops=34892 , runt=300512msec
cpu : usr=7.17%, sys=29.45%, ctx=546661, majf=0, minf=4
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
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=0.1%, >=64=0.0%
issued : total=r=0/w=10485760/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
WRITE: io=40960MB, aggrb=139571KB/s, minb=139571KB/s, maxb=139571KB/s, mint=300512msec, maxt=300512msec
Disk stats (read/write):
sdb: ios=0/10480731, merge=0/60, ticks=0/17984528, in_queue=17979712, util=100.00%
DRAID6 (7D + 2P + 1S)
test: (g=0): rw=randrw, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.0.9
Starting 1 process
test: Laying out IO file(s) (1 file(s) / 40960MB)
test: (groupid=0, jobs=1): err= 0: pid=4021: Tue Mar 28 19:43:26 2017
read : io=30719MB, bw=127238KB/s, iops=31809 , runt=247222msec
write: io=10241MB, bw=42419KB/s, iops=10604 , runt=247222msec
cpu : usr=9.06%, sys=33.66%, ctx=787004, majf=0, minf=4
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
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=0.1%, >=64=0.0%
issued : total=r=7864034/w=2621726/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
READ: io=30719MB, aggrb=127238KB/s, minb=127238KB/s, maxb=127238KB/s, mint=247222msec, maxt=247222msec
WRITE: io=10241MB, aggrb=42418KB/s, minb=42418KB/s, maxb=42418KB/s, mint=247222msec, maxt=247222msec
Disk stats (read/write):
sdb: ios=7862987/2621478, merge=0/49, ticks=11209100/3770780, in_queue=14975764, util=100.00%
test read 100%
test: (g=0): rw=randread, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.0.9
Starting 1 process
test: (groupid=0, jobs=1): err= 0: pid=4025: Tue Mar 28 19:47:06 2017
read : io=40960MB, bw=190892KB/s, iops=47723 , runt=219721msec
cpu : usr=9.46%, sys=35.56%, ctx=756041, majf=0, minf=68
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
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=0.1%, >=64=0.0%
issued : total=r=10485760/w=0/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
READ: io=40960MB, aggrb=190892KB/s, minb=190892KB/s, maxb=190892KB/s, mint=219721msec, maxt=219721msec
Disk stats (read/write):
sdb: ios=10478253/3, merge=0/1, ticks=13149764/169304, in_queue=13315696, util=100.00%
test write 100%
test: (g=0): rw=randwrite, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.0.9
Starting 1 process
test: (groupid=0, jobs=1): err= 0: pid=4029: Tue Mar 28 19:53:33 2017
write: io=40960MB, bw=108597KB/s, iops=27149 , runt=386225msec
cpu : usr=5.93%, sys=22.56%, ctx=660059, majf=0, minf=4
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
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=0.1%, >=64=0.0%
issued : total=r=0/w=10485760/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
WRITE: io=40960MB, aggrb=108597KB/s, minb=108597KB/s, maxb=108597KB/s, mint=386225msec, maxt=386225msec
Disk stats (read/write):
sdb: ios=0/10484791, merge=0/83, ticks=0/23609532, in_queue=23605968, util=100.00%
IBM V7000 gen2+
10x SSD 4TB
Interface 10GBe (iSCSI)
Configuration of test VM
2CPU, 4GB RAM
Linux Debian on ESX 6
Datastore mapped to ESX
Performance limited by disks, CPU usage under 40% on storage.
DRAID5 (8D + 1P + 1S)
test: (g=0): rw=randrw, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.0.9
Starting 1 process
test: Laying out IO file(s) (1 file(s) / 40960MB)
test: (groupid=0, jobs=1): err= 0: pid=3987: Wed Mar 29 07:57:35 2017
read : io=30723MB, bw=139125KB/s, iops=34781 , runt=226126msec
write: io=10237MB, bw=46360KB/s, iops=11589 , runt=226126msec
cpu : usr=9.58%, sys=37.75%, ctx=709816, majf=0, minf=4
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
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=0.1%, >=64=0.0%
issued : total=r=7864963/w=2620797/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
READ: io=30723MB, aggrb=139125KB/s, minb=139125KB/s, maxb=139125KB/s, mint=226126msec, maxt=226126msec
WRITE: io=10237MB, aggrb=46359KB/s, minb=46359KB/s, maxb=46359KB/s, mint=226126msec, maxt=226126msec
Disk stats (read/write):
sdb: ios=7856666/2618202, merge=0/45, ticks=10471096/3310356, in_queue=13777900, util=100.00%
test read 100%
test: (g=0): rw=randread, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.0.9
Starting 1 process
test: (groupid=0, jobs=1): err= 0: pid=3991: Wed Mar 29 08:00:59 2017
read : io=40960MB, bw=206382KB/s, iops=51595 , runt=203230msec
cpu : usr=9.88%, sys=38.44%, ctx=665551, majf=0, minf=68
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
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=0.1%, >=64=0.0%
issued : total=r=10485760/w=0/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
READ: io=40960MB, aggrb=206382KB/s, minb=206382KB/s, maxb=206382KB/s, mint=203230msec, maxt=203230msec
Disk stats (read/write):
sdb: ios=10475310/2, merge=0/1, ticks=11981140/0, in_queue=12170624, util=100.00%
test write 100%
test: (g=0): rw=randwrite, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.0.9
Starting 1 process
test: (groupid=0, jobs=1): err= 0: pid=3995: Wed Mar 29 08:05:59 2017
write: io=40960MB, bw=139572KB/s, iops=34892 , runt=300512msec
cpu : usr=7.17%, sys=29.45%, ctx=546661, majf=0, minf=4
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
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=0.1%, >=64=0.0%
issued : total=r=0/w=10485760/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
WRITE: io=40960MB, aggrb=139571KB/s, minb=139571KB/s, maxb=139571KB/s, mint=300512msec, maxt=300512msec
Disk stats (read/write):
sdb: ios=0/10480731, merge=0/60, ticks=0/17984528, in_queue=17979712, util=100.00%
DRAID6 (7D + 2P + 1S)
test: (g=0): rw=randrw, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.0.9
Starting 1 process
test: Laying out IO file(s) (1 file(s) / 40960MB)
test: (groupid=0, jobs=1): err= 0: pid=4021: Tue Mar 28 19:43:26 2017
read : io=30719MB, bw=127238KB/s, iops=31809 , runt=247222msec
write: io=10241MB, bw=42419KB/s, iops=10604 , runt=247222msec
cpu : usr=9.06%, sys=33.66%, ctx=787004, majf=0, minf=4
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
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=0.1%, >=64=0.0%
issued : total=r=7864034/w=2621726/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
READ: io=30719MB, aggrb=127238KB/s, minb=127238KB/s, maxb=127238KB/s, mint=247222msec, maxt=247222msec
WRITE: io=10241MB, aggrb=42418KB/s, minb=42418KB/s, maxb=42418KB/s, mint=247222msec, maxt=247222msec
Disk stats (read/write):
sdb: ios=7862987/2621478, merge=0/49, ticks=11209100/3770780, in_queue=14975764, util=100.00%
test read 100%
test: (g=0): rw=randread, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.0.9
Starting 1 process
test: (groupid=0, jobs=1): err= 0: pid=4025: Tue Mar 28 19:47:06 2017
read : io=40960MB, bw=190892KB/s, iops=47723 , runt=219721msec
cpu : usr=9.46%, sys=35.56%, ctx=756041, majf=0, minf=68
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
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=0.1%, >=64=0.0%
issued : total=r=10485760/w=0/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
READ: io=40960MB, aggrb=190892KB/s, minb=190892KB/s, maxb=190892KB/s, mint=219721msec, maxt=219721msec
Disk stats (read/write):
sdb: ios=10478253/3, merge=0/1, ticks=13149764/169304, in_queue=13315696, util=100.00%
test write 100%
test: (g=0): rw=randwrite, bs=4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.0.9
Starting 1 process
test: (groupid=0, jobs=1): err= 0: pid=4029: Tue Mar 28 19:53:33 2017
write: io=40960MB, bw=108597KB/s, iops=27149 , runt=386225msec
cpu : usr=5.93%, sys=22.56%, ctx=660059, majf=0, minf=4
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
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=0.1%, >=64=0.0%
issued : total=r=0/w=10485760/d=0, short=r=0/w=0/d=0
Run status group 0 (all jobs):
WRITE: io=40960MB, aggrb=108597KB/s, minb=108597KB/s, maxb=108597KB/s, mint=386225msec, maxt=386225msec
Disk stats (read/write):
sdb: ios=0/10484791, merge=0/83, ticks=0/23609532, in_queue=23605968, util=100.00%
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