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KVMLA是国人VPS主机商，采用Xen架构，数据中心洛杉矶、圣何塞、达拉斯、凤凰城（新增IO），迎六一全场促销，无码直购x512方案 ￥49元/月（购买链接）配置如下：

• 3 CPU Cores
• 512MB RAM & 256MB swap
• 25GB Raid10 DiskSpace
• 500GB Bandwidth @ 100Mbps
• Xen/SolusVM

下列表格中，前2个是凤凰城IO新增机房促销（仅1个IP），后2个为凤凰城SH机房限量多IP促销（均赠送8个可用IP地址），所有服务器均支持R10+BBU，保障数据安全。

kvmla.com 凤凰城IO 测试IP：192.30.137.168 / php探针 / 100mb

[root@VPSMM wwwroot]# sh soft.vpsr.com.cn/bench.sh
CPU model :  Intel(R) Xeon(R) CPU E3-1240 V2 @ 3.40GHz
Number of cores : 4
CPU frequency :  3400.054 MHz
Total amount of ram : 1024 MB
Total amount of swap : 511 MB
System uptime :   1:21,       
Download speed from CacheFly: 16.4MB/s 
Download speed from Coloat, Atlanta GA: 18.3MB/s 
Download speed from Softlayer, Dallas, TX: 6.89MB/s 
Download speed from Linode, Tokyo, JP:  
Download speed from Linode, London, UK: 2.69MB/s 
Download speed from Leaseweb, Haarlem, NL: 3.01MB/s 
Download speed from Softlayer, Singapore: 2.30MB/s 
Download speed from Softlayer, Seattle, WA: 1.68MB/s 
Download speed from Softlayer, San Jose, CA: 5.76MB/s 
Download speed from Softlayer, Washington, DC: 6.10MB/s 
I/O speed :  345 MB/s

[root@VPSMM wwwroot]# wget cachefly.cachefly.net/100mb.test
--2013-06-01 04:13:58--  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 29.6M/s   in 3.5s   
2013-06-01 04:14:02 (28.6 MB/s) - `100mb.test' saved [104857600/104857600]

[root@VPSMM wwwroot]# free -m
             total       used       free     shared    buffers     cached
Mem:          1024        351        672          0         17        254
-/+ buffers/cache:         80        944
Swap:          511          0        511
[root@VPSMM wwwroot]# df -hal
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda1              45G  3.3G   39G   8% /
none                     0     0     0   -  /proc
none                     0     0     0   -  /dev/pts
none                  513M     0  513M   0% /dev/shm
none                     0     0     0   -  /proc/sys/fs/binfmt_misc

[root@VPSMM wwwroot]# 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, 3.0062 seconds, 89.3 MB/s
[root@VPSMM wwwroot]# 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, 2.89904 seconds, 92.6 MB/s
[root@VPSMM wwwroot]# 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, 2.94328 seconds, 91.2 MB/s