关于DigitalOcean各机房IO性能的不靠谱测试

V2EX = way to explore

V2EX 是一个关于分享和探索的地方

现在注册

已注册用户请登录

通过以下 Referral 链接购买 DigitalOcean 主机，你将可以帮助 V2EX 持续发展

这是一个创建于 3998 天前的主题，其中的信息可能已经有所发展或是发生改变。

以下均使用$5方案机器测试，系统为ubuntu 12.04.3 x64
具体参数看命令即可= =

SFO机房:(目前买不到了)
root@xxx:/dev/shm# 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, 0.0145575 s, 2.3 GB/s

root@xxx: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, 0.602141 s, 55.7 MB/s

NY2机房
内存映射的结果很不稳定，全部贴上来供参考吧。
33554432 bytes (34 MB) copied, 0.057651 s, 582 MB/s
root@NewYorkTEST:/dev/shm# cd /dev/shm;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, 0.0277458 s, 1.2 GB/s
root@NewYorkTEST:/dev/shm# cd /dev/shm;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, 0.0507823 s, 661 MB/s
root@NewYorkTEST:/dev/shm# cd /dev/shm;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, 0.0373388 s, 899 MB/s
root@NewYorkTEST:/dev/shm# cd /dev/shm;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, 0.0389341 s, 862 MB/s
root@NewYorkTEST:/dev/shm# cd /dev/shm;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, 0.0256757 s, 1.3 GB/s
root@NewYorkTEST:/dev/shm# cd /dev/shm;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, 0.0273382 s, 1.2 GB/s
root@NewYorkTEST:/dev/shm# cd /dev/shm;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, 0.0384177 s, 873 MB/s
root@NewYorkTEST:/dev/shm# cd /dev/shm;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, 0.0735749 s, 456 MB/s
root@NewYorkTEST:/dev/shm# cd /dev/shm;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, 0.0413351 s, 812 MB/s
root@NewYorkTEST:/dev/shm# cd /dev/shm;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, 0.0616208 s, 545 MB/s
root@NewYorkTEST:/dev/shm# cd /dev/shm;dd if=/dev/zero of=test bs=64k count=512 oflag=dsync
512+0 records in
512+0 records out

磁盘：
root@NewYorkTEST:~# 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, 1.02819 s, 32.6 MB/s

AMS1买不到了，不测了。

NY1机房:

root@NY1TEST:/dev/shm# cd /dev/shm;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, 0.0252742 s, 1.3 GB/s

磁盘
root@NY1TEST:~# 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, 0.316573 s, 106 MB/s (哎呀这个屌)

AMS2 SSH连不上。。大概是买到的机器被墙了。于是改用sfo的再次ssh过去。国内ping测试也是400ms+的。。网络不能忍

同样不太稳定，贴一下
33554432 bytes (34 MB) copied, 0.0426417 s, 787 MB/s
root@AMS2TEST:/dev/shm# cd /dev/shm;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, 0.0674407 s, 498 MB/s
root@AMS2TEST:/dev/shm# cd /dev/shm;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, 0.0344091 s, 975 MB/s
root@AMS2TEST:/dev/shm# cd /dev/shm;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, 0.030421 s, 1.1 GB/s
root@AMS2TEST:/dev/shm# cd /dev/shm;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, 0.0359137 s, 934 MB/s
root@AMS2TEST:/dev/shm# cd /dev/shm;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, 0.0501897 s, 669 MB/s
root@AMS2TEST:/dev/shm# cd /dev/shm;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, 0.0531157 s, 632 MB/s
root@AMS2TEST:/dev/shm# cd /dev/shm;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, 0.0268672 s, 1.2 GB/s
root@AMS2TEST:/dev/shm# cd /dev/shm;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, 0.0380566 s, 882 MB/s
root@AMS2TEST:/dev/shm# cd /dev/shm;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, 0.028463 s, 1.2 GB/s
root@AMS2TEST:/dev/shm# cd /dev/shm;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, 0.0265787 s, 1.3 GB/s

磁盘
root@AMS2TEST:~# 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, 0.474761 s, 70.7 MB/s

总的来说，NY1看起来很不错的样子。以上可能运气成分很大，仅供参考。

dev

records

6 条回复 • 1970-01-01 08:00:00 +08:00

regmach

2013-12-13 08:11:37 +08:00

天蓝你好
结论是NY1最好吧?

maxduke

2013-12-13 09:31:29 +08:00 via iPhone

测试用的Count太小了，不准确，增大试试

66CCFF

2013-12-13 12:16:46 +08:00

@regmach 是的~网络也还凑合。。比SFO差点

ch3nz

2013-12-14 01:47:29 +08:00

给你看个google comput engine硬盘的
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, 18.5088 s, 1.8 MB/s

leisudeng

2013-12-19 01:32:05 +08:00

还是google的NB一些

66CCFF

2013-12-20 12:02:42 +08:00

@ch3nz 感人= =。。。