Hello, just testing my servers i would like to know, wich is the principal factor, brand? RPM? capacity? raid?
1.- RAID10 4x3TB:
CPU model : Intel(R) Xeon(R) CPU L5520 @ 2.27GHz
Number of cores : 8
CPU frequency : 1600.000 MHz
Total amount of ram : 32099 MB
Total amount of swap : 4095 MB
System uptime : 14 days, 9:37,
I/O speed : io= 29.6 MB/s
# ./ioping -c10 .
4.0 kb from . (ext4 /dev/sda3): request=1 time=20.2 ms
4.0 kb from . (ext4 /dev/sda3): request=2 time=515 us
4.0 kb from . (ext4 /dev/sda3): request=3 time=6.4 ms
4.0 kb from . (ext4 /dev/sda3): request=4 time=418 us
4.0 kb from . (ext4 /dev/sda3): request=5 time=447 us
4.0 kb from . (ext4 /dev/sda3): request=6 time=25.4 ms
4.0 kb from . (ext4 /dev/sda3): request=7 time=11.6 ms
4.0 kb from . (ext4 /dev/sda3): request=8 time=570 us
4.0 kb from . (ext4 /dev/sda3): request=9 time=20.3 ms
4.0 kb from . (ext4 /dev/sda3): request=10 time=12.5 ms
--- . (ext4 /dev/sda3) ioping statistics ---
10 requests completed in 9.1 s, 101 iops, 407.0 kb/s
min/avg/max/mdev = 418 us / 9.8 ms / 25.4 ms / 9.1 ms
2.- RAID10 4x1TB (just purchased) RAID: LSI 9271-4i w BBU
CPU model : Intel(R) Xeon(R) CPU E3-1270 v3 @ 3.50GHz
Number of cores : 8
CPU frequency : 800.000 MHz
Total amount of ram : 32068 MB
Total amount of swap : 16095 MB
System uptime : 4:17,
I/O speed : io= 358 MB/s
# ./ioping -c10 .
4.0 kb from . (ext3 /dev/mapper/vg-root): request=1 time=166 us
4.0 kb from . (ext3 /dev/mapper/vg-root): request=2 time=212 us
4.0 kb from . (ext3 /dev/mapper/vg-root): request=3 time=156 us
4.0 kb from . (ext3 /dev/mapper/vg-root): request=4 time=156 us
4.0 kb from . (ext3 /dev/mapper/vg-root): request=5 time=160 us
4.0 kb from . (ext3 /dev/mapper/vg-root): request=6 time=158 us
4.0 kb from . (ext3 /dev/mapper/vg-root): request=7 time=144 us
4.0 kb from . (ext3 /dev/mapper/vg-root): request=8 time=122 us
4.0 kb from . (ext3 /dev/mapper/vg-root): request=9 time=163 us
4.0 kb from . (ext3 /dev/mapper/vg-root): request=10 time=150 us
--- . (ext3 /dev/mapper/vg-root) ioping statistics ---
10 requests completed in 9.0 s, 6.3 k iops, 24.6 mb/s
min/avg/max/mdev = 122 us / 158 us / 212 us / 21 us
3.- SSD 256GB:
CPU model : Intel(R) Xeon(R) CPU E3-1270 v3 @ 3.50GHz
Number of cores : 8
CPU frequency : 800.000 MHz
Total amount of ram : 32045 MB
Total amount of swap : 16095 MB
System uptime : 31 days, 8:54,
I/O speed : io= 244 MB/s
all are dedicated servers.