息壤的双12特价，月付12元，3M带宽，1GB内存。测评如下：
系统信息及带宽测试：
System Info
-----------
Processor : Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz
CPU Cores : 1
Frequency : 1999.999 MHz
Memory : 995 MB
Swap : 2045 MB
Uptime : 3:18,
OS : Ubuntu 12.04.1 LTS
Arch : x86_64 (64 Bit)
Kernel : 3.2.0-29-generic
Hostname : ubuntu
Speedtest (IPv4 only)
---------------------
Your public IPv4 is 118.244.xxx.xxx
Location Provider Speed
CDN Cachefly 1014KB/s
Atlanta, GA, US Coloat 437KB/s
硬盘 I/O 性能：
dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
记录了4096+0 的读入
记录了4096+0 的写出
268435456字节(268 MB)已复制，246.384 秒，1.1 MB/秒
UnixBench跑分：
Benchmark Run: ɽ 12Ղ 14 2016 00:46:32 - 01:14:26
1 CPU in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 11800168.8 lps (10.0 s, 7 samples)
Double-Precision Whetstone 1748.2 MWIPS (8.6 s, 7 samples)
Execl Throughput 1269.2 lps (29.5 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 265803.1 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 85807.6 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 681765.5 KBps (30.0 s, 2 samples)
Pipe Throughput 888121.7 lps (10.0 s, 7 samples)
Pipe-based Context Switching 96584.1 lps (10.0 s, 7 samples)
Process Creation 3203.0 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 2209.3 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 272.2 lpm (60.2 s, 2 samples)
System Call Overhead 1572570.7 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 11800168.8 1011.2
Double-Precision Whetstone 55.0 1748.2 317.8
Execl Throughput 43.0 1269.2 295.2
File Copy 1024 bufsize 2000 maxblocks 3960.0 265803.1 671.2
File Copy 256 bufsize 500 maxblocks 1655.0 85807.6 518.5
File Copy 4096 bufsize 8000 maxblocks 5800.0 681765.5 1175.5
Pipe Throughput 12440.0 888121.7 713.9
Pipe-based Context Switching 4000.0 96584.1 241.5
Process Creation 126.0 3203.0 254.2
Shell Scripts (1 concurrent) 42.4 2209.3 521.1
Shell Scripts (8 concurrent) 6.0 272.2 453.7
System Call Overhead 15000.0 1572570.7 1048.4
========
System Benchmarks Index Score 523.3
ping：
丢包测试：
Ping from 192.168.1.102 to 118.244.xxx.xxx
==============================================================================
12/14 07:30:18.754 Ping to 118.244.xxx.xxx with 32 bytes of data and 32 of TTL:
12/14 07:30:18.848 PingMin #1 Reply 32 bytes from 118.244.xxx.xxx: time=65ms TTL=49, ave=65.00ms
12/14 07:30:19.832 PingMax #2 Reply 32 bytes from 118.244.xxx.xxx: time=80ms TTL=49, ave=72.50ms
12/14 07:30:23.845 PingMax #6 Reply 32 bytes from 118.244.xxx.xxx: time=94ms TTL=49, ave=76.17ms
12/14 07:30:26.589 超时 #8 *****(32 bytes) 请求超时。
12/14 07:30:26.847 PingMax #9 Reply 32 bytes from 118.244.xxx.xxx: time=96ms TTL=49, ave=77.88ms
12/14 07:30:36.854 PingMax #19 Reply 32 bytes from 118.244.xxx.xxx: time=104ms TTL=49, ave=81.83ms
12/14 07:30:37.819 === 20 有效发送, 19 接收, 5.00% 丢失, 81.16ms 平均值 ===
--- 结果 & 统计信息 ------------------------------------------------------
开始时间: 2016/12/14 07:30:18
经过时间: 000:00:19
结束时间: 2016/12/14 07:30:37
----------------
20 总计发送
0 无效接收 (除了超时的其它错误)
----------------
20 有效发送
19 有效接收
1 timed out (5.00% 丢失)
Ping 最小值 65ms, 最大值 104ms, 平均值 81.16ms
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