Difference between revisions of "Benchmarks"

Latest revision as of 11:14, 21 March 2015

RAID 6 + LUKS

Environment

eclipse shared # cat /proc/cpuinfo | grep name | uniq
model name      : Intel(R) Xeon(R) CPU E31240 @ 3.30GHz

eclipse shared # findmnt /media/raid
TARGET      SOURCE           FSTYPE OPTIONS
/media/raid /dev/mapper/raid ext4   rw,relatime,stripe=384,data=ordered

eclipse shared # cat /sys/block/md0/md/stripe_cache_size
32768

eclipse shared # lshw -short -C disk
H/W path             Device     Class       Description
=======================================================
/0/100/1/0/0.0.0     /dev/sdc   disk        4TB ST4000VN000-1H41
/0/100/1/0/0.1.0     /dev/sdd   disk        4TB ST4000VN000-1H41
/0/100/1/0/0.2.0     /dev/sde   disk        4TB ST4000DM000-1F21
/0/100/1/0/0.3.0     /dev/sdf   disk        4TB ST4000VN000-1H41
/0/100/1/0/0.4.0     /dev/sdg   disk        4TB ST4000VN000-1H41
/0/100/1/0/0.5.0     /dev/sdh   disk        4TB ST4000VN000-1H41
/0/1/0.0.0           /dev/sda   disk        128GB Samsung SSD 840
/0/2/0.0.0           /dev/sdb   disk        60GB OCZ-VERTEX3

eclipse shared # lsblk
NAME     MAJ:MIN RM   SIZE RO TYPE  MOUNTPOINT
sda        8:0    0 119.2G  0 disk
├─sda1     8:1    0    32M  0 part
├─sda2     8:2    0   512M  0 part  [SWAP]
└─sda3     8:3    0 118.7G  0 part  /
sdb        8:16   0  55.9G  0 disk
├─sdb1     8:17   0   243M  0 part
├─sdb2     8:18   0   488M  0 part
└─sdb3     8:19   0  55.2G  0 part
sdc        8:32   0   3.7T  0 disk
└─md0      9:0    0  14.6T  0 raid6
  └─raid 251:0    0  14.6T  0 crypt /media/raid
sdd        8:48   0   3.7T  0 disk
└─md0      9:0    0  14.6T  0 raid6
  └─raid 251:0    0  14.6T  0 crypt /media/raid
sde        8:64   0   3.7T  0 disk
└─md0      9:0    0  14.6T  0 raid6
  └─raid 251:0    0  14.6T  0 crypt /media/raid
sdf        8:80   0   3.7T  0 disk
└─md0      9:0    0  14.6T  0 raid6
  └─raid 251:0    0  14.6T  0 crypt /media/raid
sdg        8:96   0   3.7T  0 disk
└─md0      9:0    0  14.6T  0 raid6
  └─raid 251:0    0  14.6T  0 crypt /media/raid
sdh        8:112  0   3.7T  0 disk
└─md0      9:0    0  14.6T  0 raid6
  └─raid 251:0    0  14.6T  0 crypt /media/raid

Results

eclipse shared # pwd
/media/raid/shared

eclipse shared # dd if=/dev/zero of=file bs=64M count=100 conv=fdatasync
100+0 records in
100+0 records out
6710886400 bytes (6.7 GB) copied, 19.4577 s, 345 MB/s
eclipse shared # dd if=/dev/zero of=file bs=64M count=100 conv=fdatasync
100+0 records in
100+0 records out
6710886400 bytes (6.7 GB) copied, 19.4899 s, 344 MB/s
eclipse shared # dd if=/dev/zero of=file bs=64M count=100 conv=fdatasync
100+0 records in
100+0 records out
6710886400 bytes (6.7 GB) copied, 19.7158 s, 340 MB/s
eclipse shared # dd if=/dev/zero of=file bs=64M count=100 conv=fdatasync
100+0 records in
100+0 records out
6710886400 bytes (6.7 GB) copied, 19.4337 s, 345 MB/s

eclipse shared # echo 3 > /proc/sys/vm/drop_caches
eclipse shared # dd if=file of=/dev/null bs=64M
100+0 records in
100+0 records out
6710886400 bytes (6.7 GB) copied, 11.4224 s, 588 MB/s
eclipse shared # echo 3 > /proc/sys/vm/drop_caches
eclipse shared # dd if=file of=/dev/null bs=64M
100+0 records in
100+0 records out
6710886400 bytes (6.7 GB) copied, 11.3578 s, 591 MB/s
eclipse shared # echo 3 > /proc/sys/vm/drop_caches
eclipse shared # dd if=file of=/dev/null bs=64M
100+0 records in
100+0 records out
6710886400 bytes (6.7 GB) copied, 11.1645 s, 601 MB/s
eclipse shared # echo 3 > /proc/sys/vm/drop_caches
eclipse shared # dd if=file of=/dev/null bs=64M
100+0 records in
100+0 records out
6710886400 bytes (6.7 GB) copied, 11.1897 s, 600 MB/s