Lustre Oss hardware

Xen16 machine

dd

[root@xen16 ~]# dd if=/dev/zero of=/virident/thing bs=8k count=1024k
1048576+0 records in
1048576+0 records out
8589934592 bytes (8.6 GB) copied, 13.6994 s, 627 MB/s

[...] do some stuff

[root@xen16 ~]# dd if=/virident/thing of=/dev/null
^[[6~16777216+0 records in
16777216+0 records out
8589934592 bytes (8.6 GB) copied, 18.8337 s, 456 MB/s

Bonnie

[root@xen16 ~]# bonnie++ -u root -s 60000 -r 0 -b -d /virident/
Version  1.96       ------Sequential Output------ --Sequential Input- --Random-
Concurrency   1     -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec %CP
xen16.lcg.cs 60000M   733  99 530557  94 298348  78  3522  99 722689  88  1078 112
Latency             11048us   14500us     194ms    2686us    4304us    5686us
Version  1.96       ------Sequential Create------ --------Random Create--------
xen16.lcg.cscs.ch   -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
                 16  1599   6 +++++ +++  2253   7  1777   8 +++++ +++  2248   6
Latency               557ms     375us    4239us    6312us      17us    5872us

Kernel compile

[root@xen16 virident]# time tar -xf linux-2.6.36.1.tar

real    0m1.828s
user    0m0.123s
sys     0m1.706s

[root@xen16 linux-2.6.36.1]# time make
real    7m53.340s
user    6m46.717s
sys     1m18.671s

KVM over local Virident card (xen16)

dd

[root@xen16 ~]# dd if=/dev/zero of=/root/thing bs=4k count=1024k
1048576+0 records in
1048576+0 records out
4294967296 bytes (4.3 GB) copied, 25.7644 seconds, 167 MB/s
[...] do some stuff

[root@xen16 ~]# dd if=/root/thing of=/dev/null
8388608+0 records in
8388608+0 records out
4294967296 bytes (4.3 GB) copied, 12.177 seconds, 353 MB/s

Bonnie

[root@xen16 ~]# bonnie++ -u root -s 6000 -r 0 -b -d /root/
Version  1.96       ------Sequential Output------ --Sequential Input- --Random-
Concurrency   1     -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec %CP
ppwn04.lcg.cs 6000M   870  99 139143  47 93778  37  3428  97 395061  38  3353 238
Latency             10000us    1418ms     828ms    3999us   10999us   73999us
Version  1.96       ------Sequential Create------ --------Random Create--------
ppwn04.lcg.cscs.ch  -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
                 16   905   3 +++++ +++   890   2   888   4 +++++ +++   892   2
Latency             30999us    1000us   21000us   32999us    1000us   16000us

Kernel compile

[root@xen16 virident]# time tar -xf linux-2.6.36.1.tar
real    0m3.740s
user    0m0.174s
sys     0m2.973s


[root@xen16 linux-2.6.36.1]# time make

-- PabloFernandez - 2011-09-05