Online.net Pro-4-L 重新benchmark

前面的测试有点不太规范,这次又机会重新测试一下。

机器配置是Xeon E5 1650V3, 96GB RAM, 3X500GB SSD

测试使用的程序是:

wget -qO- bench.sh | bash

直接测试IO,使用的是下面的commands:

dd if=/dev/zero of=test_$$ bs=64k count=16k conv=fdatasync && rm -f test_$$

直接在服务器裸机上安装Centos 7, 下面是测试结果:

[[email protected] ~]# hdparm -t /dev/sda

/dev/sda:
Timing buffered disk reads: 1454 MB in 3.00 seconds = 484.53 MB/sec

[[email protected] ~]# hdparm -t /dev/sdb

/dev/sdb:
Timing buffered disk reads: 1472 MB in 3.00 seconds = 490.04 MB/sec

[[email protected] ~]# hdparm -t /dev/sdc

/dev/sdc:
iming buffered disk reads: 1470 MB in 3.00 seconds = 489.96 MB/sec
[[email protected] sda~]# dd if=/dev/zero of=test_$$ bs=64k count=16k conv=fdatasync && rm -f test_$$
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 2.65959 s, 404 MB/s

测试了几次,都在400 MB/s 左右

[[email protected] sdb]# dd if=/dev/zero of=test_$$ bs=64k count=16k conv=fdatasync && rm -f test_$$
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 2.69217 s, 399 MB/s
[[email protected] sdc]# dd if=/dev/zero of=test_$$ bs=64k count=16k conv=fdatasync && rm -f test_$$
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 2.70218 s, 397 MB/s

可以看到裸机直接测试的话,SSD 的IO 一般就在400 MB/s 左右

在Host上安装上Esxi 6.7 以后,分别测试Debian 9 和 Debian 10

Debian 9 测试结果:

----------------------------------------------------------------------
CPU model : Intel(R) Xeon(R) CPU E5-1650 v3 @ 3.50GHz
Number of cores : 8
CPU frequency : 3495.142 MHz
Total size of Disk : 55.0 GB (0.9 GB Used)
Total amount of Mem : 3907 MB (92 MB Used)
Total amount of Swap : 4045 MB (0 MB Used)
System uptime : 0 days, 0 hour 11 min
Load average : 0.96, 0.28, 0.09
OS : Debian GNU/Linux 9
Arch : x86_64 (64 Bit)
Kernel : 4.9.0-9-amd64
----------------------------------------------------------------------
I/O speed(1st run) : 82.2 MB/s
I/O speed(2nd run) : 79.9 MB/s
I/O speed(3rd run) : 80.1 MB/s
Average I/O speed : 80.7 MB/s

Debian 10 测试结果:

----------------------------------------------------------------------
CPU model : Intel(R) Xeon(R) CPU E5-1650 v3 @ 3.50GHz
Number of cores : 8
CPU frequency : 3495.951 MHz
Total size of Disk : 55.0 GB (1.0 GB Used)
Total amount of Mem : 3897 MB (150 MB Used)
Total amount of Swap : 4045 MB (0 MB Used)
System uptime : 0 days, 0 hour 25 min
Load average : 1.14, 0.31, 0.11
OS : Debian GNU/Linux 10
Arch : x86_64 (64 Bit)
Kernel : 4.19.0-5-amd64
----------------------------------------------------------------------
I/O speed(1st run) : 78.0 MB/s
I/O speed(2nd run) : 77.0 MB/s
I/O speed(3rd run) : 76.9 MB/s
Average I/O speed : 77.3 MB/s

本来以为Debian 10 有什么特殊科技呢,IO 测试和Debian 9 差不多

下面是重头戏,回退一些Esxi 的 ACHI 的driver,再来测试一下:

----------------------------------------------------------------------
CPU model : Intel(R) Xeon(R) CPU E5-1650 v3 @ 3.50GHz
Number of cores : 8
CPU frequency : 3494.956 MHz
Total size of Disk : 55.0 GB (0.9 GB Used)
Total amount of Mem : 3907 MB (91 MB Used)
Total amount of Swap : 4045 MB (0 MB Used)
System uptime : 0 days, 0 hour 4 min
Load average : 0.22, 0.05, 0.02
OS : Debian GNU/Linux 9
Arch : x86_64 (64 Bit)
Kernel : 4.9.0-9-amd64
----------------------------------------------------------------------
I/O speed(1st run) : 301 MB/s
I/O speed(2nd run) : 299 MB/s
I/O speed(3rd run) : 303 MB/s
Average I/O speed : 301.0 MB/s

数据在350-370 之间乱跳

在Debian 10上,闲时IO 能到400 MB/s, 平时也基本就是300-350左右

----------------------------------------------------------------------
CPU model : Intel(R) Xeon(R) CPU E5-1650 v3 @ 3.50GHz
Number of cores : 8
CPU frequency : 3495.951 MHz
Total size of Disk : 55.0 GB (2.0 GB Used)
Total amount of Mem : 3897 MB (148 MB Used)
Total amount of Swap : 4045 MB (0 MB Used)
System uptime : 0 days, 0 hour 21 min
Load average : 0.00, 0.01, 0.01
OS : Debian GNU/Linux 10
Arch : x86_64 (64 Bit)
Kernel : 4.19.0-5-amd64
----------------------------------------------------------------------
I/O speed(1st run) : 306 MB/s
I/O speed(2nd run) : 300 MB/s
I/O speed(3rd run) : 299 MB/s
Average I/O speed : 301.7 MB/s

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