https://raw.githubusercontent.com/teddysun/across/master/bench.sh
https://github.com/teddysun/across/blob/master/bench.sh
DD硬盘测试数据：
root@xxxxxx:~# dd if=/dev/zero of=test bs=64k count=512 oflag=dsync
512+0 records in
512+0 records out
33554432 bytes (34 MB) copied, 0.031146 s, 1.1 GB/s
阿里云Linux：
dd if=/dev/zero of=test bs=64k count=512 oflag=dsync
512+0 records in
512+0 records out
33554432 bytes (34 MB) copied, 3.07314 s, 10.9 MB/s
阿里云FreeBSD：
dd if=/dev/zero of=test bs=64k count=512
512+0 records in
512+0 records out
33554432 bytes transferred in 0.747878 secs (44866194 bytes/sec)
阿里云FreeBSD：
md5 -t
MD5 time trial. Digesting 100000 10000-byte blocks ... done
Digest = 766a2bb5d24bddae466c572bcabca3ee
Time = 2.816505 seconds
Speed = 355049984.000000 bytes/second
凤凰城带宽测试：G口无疑，下载文件达到恐怖的80M每秒。
root@xxxxxx:~# wget
http://cachefly.cachefly.net/100mb.test
2015-09-28 17:20:26 (80.9 MB/s) - `100mb.test' saved [104857600/104857600]
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本帖最后由 linda 于 2016-8-17 15:22 编辑 ]
