阿里云的高效云盘真的不高效
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前段时间发现在阿里云ECS搭建mysql和本地mysql同样的查询 发现读取性能远远不如本地机械磁盘于是今天做了一个阿里云高效云盘的读写和本地磁盘读写性能对比
阿里云高效云盘读取效率
[email protected]:~# hdparm -tT /dev/vda1
/dev/vda1:
Timing cached reads: 14732 MB in 2.00 seconds = 7380.98 MB/sec
Timing buffered disk reads: 410 MB in 3.01 seconds = 136.05 MB/sec
[email protected]:~# hdparm -tT /dev/vda1
/dev/vda1:
Timing cached reads: 16142 MB in 2.00 seconds = 8089.48 MB/sec
Timing buffered disk reads: 428 MB in 3.01 seconds = 142.27 MB/sec
[email protected]:~# hdparm -tT /dev/vda1
/dev/vda1:
Timing cached reads: 16242 MB in 2.00 seconds = 8138.87 MB/sec
Timing buffered disk reads: 412 MB in 3.00 seconds = 137.21 MB/sec 本地机械磁盘读取效率
[[email protected] config]# hdparm -tT /dev/sda1
/dev/sda1:
Timing cached reads: 15764 MB in 2.00 seconds = 7900.86 MB/sec
Timing buffered disk reads: 1024 MB in 1.28 seconds = 798.49 MB/sec
[[email protected] config]# hdparm -tT /dev/sda1
/dev/sda1:
Timing cached reads: 16106 MB in 1.99 seconds = 8073.20 MB/sec
Timing buffered disk reads: 1024 MB in 1.27 seconds = 807.60 MB/sec
[[email protected] config]# hdparm -tT /dev/sda1
/dev/sda1:
Timing cached reads: 15582 MB in 1.99 seconds = 7811.29 MB/sec
Timing buffered disk reads: 1024 MB in 1.34 seconds = 765.92 MB/sec这就是阿里云高效云盘的读取结果
以后还是买阿里云的ssd的磁盘把 高效云盘有点搞笑呀
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