DigitalOcean新加坡机房开放,稳定性不如意

前几天DO在微博上发布消息说本周有惊喜,原来这惊喜就是新加坡数据中心的开放。

我马上新建了一个新加坡的VPS试用了一下,体验结果不是很令人满意。整体上说,性能还是不错,UnixBench的结果有885.5分,下载速度和I/O都还是不错的,但是可能是路由上的问题(我的猜测),ping值时高时低,低的时候80ms,高的时候几百毫秒,并且掉包很厉害。我从美国机房的服务器wget这个VPS的数据,速度可以达到14.5MB/s。个人觉得这样的VPS还不是很适合我们中国用户。

性能测试结果:

[root@SVPN vpn]# sh bench.sh
CPU model : QEMU Virtual CPU version 1.5.0
Number of cores : 1
CPU frequency : 1999.999 MHz
Total amount of ram : 490 MB
Total amount of swap : 0 MB
System uptime : 20:01,
Download speed : (22.3MB/s)
I/O speed : 264MB/s

UnixBench测试结果:

Benchmark Run: Wed Feb 12 2014 20:55:59 - 21:23:51
1 CPU in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       22102248.7 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     2573.7 MWIPS (9.5 s, 7 samples)
Execl Throughput                               2926.1 lps   (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        549667.1 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          154229.6 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       1173290.5 KBps  (30.0 s, 2 samples)
Pipe Throughput                             1179615.1 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 187829.1 lps   (10.0 s, 7 samples)
Process Creation                               7555.1 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   3210.8 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    426.3 lpm   (60.1 s, 2 samples)
System Call Overhead                        1537219.2 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   22102248.7   1893.9
Double-Precision Whetstone                       55.0       2573.7    467.9
Execl Throughput                                 43.0       2926.1    680.5
File Copy 1024 bufsize 2000 maxblocks          3960.0     549667.1   1388.0
File Copy 256 bufsize 500 maxblocks            1655.0     154229.6    931.9
File Copy 4096 bufsize 8000 maxblocks          5800.0    1173290.5   2022.9
Pipe Throughput                               12440.0    1179615.1    948.2
Pipe-based Context Switching                   4000.0     187829.1    469.6
Process Creation                                126.0       7555.1    599.6
Shell Scripts (1 concurrent)                     42.4       3210.8    757.3
Shell Scripts (8 concurrent)                      6.0        426.3    710.4
System Call Overhead                          15000.0    1537219.2   1024.8
                                                                   ========
System Benchmarks Index Score                                         885.5

题外话,这样的VPS拿来做VPN还是不错的,价格比较实惠,并且不怕DigitalOcean无故删除你的VPS,删了之后再搭建一个VPN即可。

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