score for RapidXen 6/10 xen 2.6.32.12-RX-domU-static Los Angeles, California
結論
網路只有 ping 直到台灣不錯，下載速度並不快 (所以選在LA或是美西的VPS都不錯，延遲時間很短 )
network speed to taiwan, sucks 0
disk read performance, sucks 0
cpu performace, OK 1
service, sucks 0
You just skip this provider to save your time and money.
2010-07-14 09:00 買了 RapidXen
2010-07-14 11:00 在IRC 上面問怎麼沒有開通的 email 通知，客服說要 7~24 小時才會處理好，美國真是人性化，不願意自動化，才會有工作機會
2010-07-15 08:14 接近24 小時，過去了，沒有任何通知信，目前的感覺，這一家也不是什麼好貨色，爛到爆，2010 年了，還有這樣人力開通的，在IRC 上面問，怎麼這麼慢？，他們說，他們要避免濫用，還註冊的攻擊，另一點就是會 hold chinese order，但是我等了24小時，在 IRC 上面問，問為什麼還沒有記資料來，抱怨沒有開通，所以又進入了懲罰清單 penalty list，會等更久，果然令人想罵髒話，customer service sucks, If you complain more they will keep you wait longer, make you feel sucks more.
2010-07-15 17:04 原來有人抱怨，還等了三天，只是，他會把你踢出來，不給你買，哇，真跩，第一次看到這樣做生意的，超過24小不理你，還怪你抱怨他慢，然後就是 Chinese 該死，要等更久，我一定要試試，一定把數據記下來，看到底值不值接受這樣客服 http://www.webhostingtalk.com/showthread.php?t=934659&highlight=RapidXen
2010-07-16 11:04 一樣，沒有消息，基本上可以不用是這一家了，就算打折過後，也不會比 Linode 便宜，選他不如直接用 Linode 就好了
2010-07-16 17:53 通了，測試中
網路速度
RapidXEN
Saving to: `debian-505-amd64-DVD-1.iso.1'
4% [===> ] 226,991,022 860K/s eta 85m 35s
2HOST
Saving to: `debian-505-amd64-DVD-1.iso'
2% [=> ] 139,673,008 2.78M/s eta 34m 20s
NordicVPS
Saving to: `debian-505-amd64-DVD-1.iso.2'
1% [> ] 78,339,342 2.39M/s eta 55m 6s
基本上，我試過的每一家，網路都比 RapidXen 快， NordicVPS 有時候比 2HOST 快，不過他的機房比較遠
CPU
terryh:~# cat /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 65
model name : Dual-Core AMD Opteron(tm) Processor 2216
stepping : 2
cpu MHz : 2399.998
cache size : 1024 KB
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu de tsc msr pae cx8 cmov pat clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 3dnow up rep_good pni cx16 hypervisor lahf_lm cmp_legacy extapic cr8_legacy
bogomips : 4799.99
TLB size : 1024 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp tm stc
DISK read
terryh:~/unixbench-5.1.2# hdparm -tT /dev/xvda1
/dev/xvda1:
Timing cached reads: 1010 MB in 2.00 seconds = 504.33 MB/sec
Timing buffered disk reads: 92 MB in 3.09 seconds = 29.82 MB/sec
真是驚人的慢
Unixbench
========================================================================
BYTE UNIX Benchmarks (Version 5.1.2)
System: terryh: GNU/Linux
OS: GNU/Linux -- 2.6.32.12-RX-domU-static -- #1 SMP Fri Jul 9 12:19:17 PDT 2010
Machine: x86_64 (unknown)
Language: en_US.utf8 (charmap="UTF-8", collate="UTF-8")
CPU 0: Dual-Core AMD Opteron(tm) Processor 2216 (4800.0 bogomips)
Hyper-Threading, x86-64, MMX, AMD MMX, Physical Address Ext, SYSCALL/SYSRET
10:23:10 up 1 day, 9:48, 1 user, load average: 0.39, 0.24, 0.15; runlevel 2
------------------------------------------------------------------------
Benchmark Run: Fri Jul 16 2010 10:23:10 - 10:51:44
1 CPU in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 10367411.9 lps (10.2 s, 7 samples)
Double-Precision Whetstone 2267.5 MWIPS (9.9 s, 7 samples)
Execl Throughput 1101.3 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 186946.1 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 56563.0 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 460470.8 KBps (30.0 s, 2 samples)
Pipe Throughput 280758.1 lps (10.0 s, 7 samples)
Pipe-based Context Switching 51376.1 lps (10.0 s, 7 samples)
Process Creation 2242.8 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 1543.3 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 218.6 lpm (60.2 s, 2 samples)
System Call Overhead 292819.3 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 10367411.9 888.4
Double-Precision Whetstone 55.0 2267.5 412.3
Execl Throughput 43.0 1101.3 256.1
File Copy 1024 bufsize 2000 maxblocks 3960.0 186946.1 472.1
File Copy 256 bufsize 500 maxblocks 1655.0 56563.0 341.8
File Copy 4096 bufsize 8000 maxblocks 5800.0 460470.8 793.9
Pipe Throughput 12440.0 280758.1 225.7
Pipe-based Context Switching 4000.0 51376.1 128.4
Process Creation 126.0 2242.8 178.0
Shell Scripts (1 concurrent) 42.4 1543.3 364.0
Shell Scripts (8 concurrent) 6.0 218.6 364.4
System Call Overhead 15000.0 292819.3 195.2
========
System Benchmarks Index Score 328.9
redis-benchmark
====== SET ======
10038 requests completed in 0.71 seconds
50 parallel clients
3 bytes payload
keep alive: 1
16.59% <= 2 milliseconds
47.73% <= 3 milliseconds
88.00% <= 4 milliseconds
96.31% <= 5 milliseconds
99.96% <= 6 milliseconds
100.00% <= 7 milliseconds
14039.16 requests per second
====== GET ======
10032 requests completed in 0.72 seconds
50 parallel clients
3 bytes payload
keep alive: 1
15.43% <= 2 milliseconds
46.07% <= 3 milliseconds
88.77% <= 4 milliseconds
95.87% <= 5 milliseconds
99.85% <= 6 milliseconds
100.00% <= 7 milliseconds
13991.63 requests per second
====== SET ======
10038 requests completed in 0.71 seconds
50 parallel clients
3 bytes payload
keep alive: 1
PS: 這一系列的 VPS 文章，就到我找到好又便宜的，就不寫了，基本上，怎麼選才能找到好的供應商呢？基本的原則，就是他的 VPS node 都賣光光，就是好的
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