DirectSpace 算是一間老字號的網路服務供應，我一直用了好幾年，速度和服務也不錯，
但是我選這一間公司是因為它的價性比，價錢很優惠，服務器的速度也不慢，
不過這間公司最近就發生了一件大的意外，服務器的管理系統給黑客入侵了，很多客戶的數據都刪除了，這就是可恨的地方 :-S
幸好我每星期backup一次回家的FTP ，才讓意外的傷害減到最低…..
建議想用這一間公司的朋友要多一些Backup，為了價錢就要多做點功夫了，一分錢一分貨嗎，
(PS. 賣個關子，遲一下我會分享一下如何用dropbox 定時Backup，保住你寶貴的數據)
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價錢表
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| PLAN | CPU | RAM/Burst | HDD | Bandwidth | IP | Price |
| VPS.1 | 1x 3.3Ghz | 512MB / 1024MB | 20GB | 1TB/M | 2 IP4 / 2 IP6 |
US$8
|
| VPS.2 | 2x 3.3Ghz | 1024MB / 1536MB | 30GB | 2TB/M | 2 IP4 / 2 IP6 |
US$10
|
| VPS.3 | 2x 3.3Ghz | 1536MB / 2048MB | 40GB | 3TB/M | 2 IP4 / 2 IP6 |
US$15
|
| VPS.4 | 3x 3.3Ghz | 2048MB / 2560MB | 50GB | 4TB/M | 2 IP4 / 2 IP6 |
US$22
|
| VPS.5 | 4x 3.3Ghz | 2560MB / 3072MB | 80GB | 5TB/M | 2 IP4 / 2 IP6 |
US$32
|
| VPS.6 | 4x 3.3Ghz | 3072MB / 4096MB | 100GB | 6TB/M | 2 IP4 / 2 IP6 |
US$42
|
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網絡表現
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世界各地連接速度 : http://just-ping.com/index.php?vh=69.163.32.1
100 MB 速度測試檔案 : http://bandwidth.directspace.net/100MBtest.zip
網絡速度也不錯，連去cachefly 下載100M 的檔案有 29.8M/s
[root@ser1 ~]# wget http://cachefly.cachefly.net/100mb.test
–2012-06-04 15:54:38– http://cachefly.cachefly.net/100mb.test
Resolving cachefly.cachefly.net… 205.234.175.175
Connecting to cachefly.cachefly.net|205.234.175.175|:80… connected.
HTTP request sent, awaiting response… 200 OK
Length: 104857600 (100M) [application/octet-stream]
Saving to: `100mb.test’
100%[======================================>] 104,857,600 29.8M/s in 3.5s
Trace Route
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系統表現
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UnixBench 測試，對於VPS 來說，這是我用過的VPS 中最高分的，有 2072.0 分之高
1 x File Copy 1024 bufsize 2000 maxblocks 1 2 3
1 x File Copy 256 bufsize 500 maxblocks 1 2 3
1 x File Copy 4096 bufsize 8000 maxblocks 1 2 3
1 x Pipe Throughput 1 2 3 4 5 6 7 8 9 10
1 x Pipe-based Context Switching 1 2 3 4 5 6 7 8 9 10
1 x Process Creation 1 2 3
1 x System Call Overhead 1 2 3 4 5 6 7 8 9 10
1 x Shell Scripts (1 concurrent) 1 2 3
1 x Shell Scripts (8 concurrent) 1 2 3
3 x Dhrystone 2 using register variables 1 2 3 4 5 6 7 8 9 10
3 x Double-Precision Whetstone 1 2 3 4 5 6 7 8 9 10
3 x Execl Throughput 1 2 3
3 x File Copy 1024 bufsize 2000 maxblocks 1 2 3
3 x File Copy 256 bufsize 500 maxblocks 1 2 3
3 x File Copy 4096 bufsize 8000 maxblocks 1 2 3
3 x Pipe Throughput 1 2 3 4 5 6 7 8 9 10
3 x Pipe-based Context Switching 1 2 3 4 5 6 7 8 9 10
3 x Process Creation 1 2 3
3 x System Call Overhead 1 2 3 4 5 6 7 8 9 10
3 x Shell Scripts (1 concurrent) 1 2 3
3 x Shell Scripts (8 concurrent) 1 2 3
===============================================
BYTE UNIX Benchmarks (Version 5.1.3)
System: ser1.coms.hk: GNU/Linux
OS: GNU/Linux — 2.6.18-238.9.1.el5.028stab089.1 — #1 SMP Thu Apr 14 14:06:01 MSD 2011
Machine: i686 (i386)
Language: en_US.utf8 (charmap=”UTF-8″, collate=”UTF-8″)
CPU 0: Intel(R) Core(TM) i5-2500 CPU @ 3.30GHz (6600.4 bogomips)
Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET, Intel virtualization
CPU 1: Intel(R) Core(TM) i5-2500 CPU @ 3.30GHz (6600.0 bogomips)
Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET, Intel virtualization
CPU 2: Intel(R) Core(TM) i5-2500 CPU @ 3.30GHz (6600.1 bogomips)
Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET, Intel virtualization
13:33:29 up 4:31, 1 user, load average: 0.00, 0.00, 0.00; runlevel 3
————————————————————————
Benchmark Run: Mon Jun 04 2012 13:33:29 – 14:02:09
3 CPUs in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 17924947.6 lps (10.0 s, 7 samples)
Double-Precision Whetstone 3001.0 MWIPS (10.0 s, 7 samples)
Execl Throughput 6416.8 lps (29.7 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 714589.8 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 199159.2 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1721577.7 KBps (30.0 s, 2 samples)
Pipe Throughput 1217839.9 lps (10.0 s, 7 samples)
Pipe-based Context Switching 114233.7 lps (10.0 s, 7 samples)
Process Creation 19052.5 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 7132.1 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 1763.0 lpm (60.0 s, 2 samples)
System Call Overhead 901948.8 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 17924947.6 1536.0
Double-Precision Whetstone 55.0 3001.0 545.6
Execl Throughput 43.0 6416.8 1492.3
File Copy 1024 bufsize 2000 maxblocks 3960.0 714589.8 1804.5
File Copy 256 bufsize 500 maxblocks 1655.0 199159.2 1203.4
File Copy 4096 bufsize 8000 maxblocks 5800.0 1721577.7 2968.2
Pipe Throughput 12440.0 1217839.9 979.0
Pipe-based Context Switching 4000.0 114233.7 285.6
Process Creation 126.0 19052.5 1512.1
Shell Scripts (1 concurrent) 42.4 7132.1 1682.1
Shell Scripts (8 concurrent) 6.0 1763.0 2938.4
System Call Overhead 15000.0 901948.8 601.3
========
System Benchmarks Index Score 1212.8
————————————————————————
Benchmark Run: Mon Jun 04 2012 14:02:09 – 14:31:57
3 CPUs in system; running 3 parallel copies of tests
Dhrystone 2 using register variables 35730903.3 lps (10.0 s, 7 samples)
Double-Precision Whetstone 8874.9 MWIPS (10.0 s, 7 samples)
Execl Throughput 11990.1 lps (29.5 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 666299.2 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 177107.2 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1416579.3 KBps (30.0 s, 2 samples)
Pipe Throughput 2391506.1 lps (10.0 s, 7 samples)
Pipe-based Context Switching 732380.9 lps (10.0 s, 7 samples)
Process Creation 37009.7 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 12666.6 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 1759.2 lpm (60.0 s, 2 samples)
System Call Overhead 1712327.7 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 35730903.3 3061.8
Double-Precision Whetstone 55.0 8874.9 1613.6
Execl Throughput 43.0 11990.1 2788.4
File Copy 1024 bufsize 2000 maxblocks 3960.0 666299.2 1682.6
File Copy 256 bufsize 500 maxblocks 1655.0 177107.2 1070.1
File Copy 4096 bufsize 8000 maxblocks 5800.0 1416579.3 2442.4
Pipe Throughput 12440.0 2391506.1 1922.4
Pipe-based Context Switching 4000.0 732380.9 1831.0
Process Creation 126.0 37009.7 2937.3
Shell Scripts (1 concurrent) 42.4 12666.6 2987.4
Shell Scripts (8 concurrent) 6.0 1759.2 2932.0
System Call Overhead 15000.0 1712327.7 1141.6
========
System Benchmarks Index Score 2072.0
硬碟寫入速度有 64 MB/s ，對VPS 來說已經不錯，很夠用。
[root@ser1 ~]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 4.1678 seconds, 64.4 MB/s
