Media Temple VS. HostGator VS. KnownHost VPS: 糟糕透顶的MT和HG使用经历(强烈推荐KnownHost)

By Minidxer | March 31, 2011

相信很多Blogger都曾经为了如何才能选择一个好的虚拟空间,或者VPS,或者独立服务器提供商而纠结, 万一碰倒不良提供商,那简直就是噩梦的开始。笔者从2008年开始使用Hostgator的虚拟主机,一直都相安无事,但是很莫名其妙的,从2011年1月12日开始,本站所在的Hostgator服务器开始发神经(具体可以看下面细节介绍),然后笔者定购了Hostgator的 VPS Level2和Level3,以及Media Temple VPS(Dedicated-Virtual Server),非常不幸的,可以说每一次都是一个恶梦,直到笔者使用了现在的Knowhost VPS(VS2),才终于可以松一口气。网上有很多介绍各种主机的文章,比如MT,有些人把它夸上了天,不过这里只想说一下,那毕竟是人家用的感觉,可能同一家公司,换了一台服务器,情况就不一样了……当然,像客服水平,这个是可以参考的。所以这篇文章只是作为我个人寻找合适自己的VPS提供商的纪录,供大家参考,而并不是一篇教您如何寻找好的提供商的教程。


MT,Hostgator,Knownhost,在服务器提供这个领域,可以说是鼎鼎大名的三家。他们的背景和过去的辉煌,这里就不再叙述了,先来看一下笔者实际使用之后,给他们的打分情况吧。其中Media Temple被有些人吹的天花乱坠,实际用了之后实在是失望透了……

提供商 VPS方案 硬盘 内存 CPU 流量 价格(包含面板) 技术支持水平 推荐程度
Knownhost VS2 40GB 768MB Equal Share 2000GB $36 *1 非常专业 KnownHost-VPS
Hostgator Level 3 30GB 768MB 1.13GHZ 500GB $49.95  *2 初学者 hostgator-star
MT DV 3.5 30GB 512MB 8% 1024GB $42.5 *3 一般 Media Temple

*1: 包括cPanel, 使用KH4LIFE 这个优惠码后为$36
*2: 包括cPanel, 需要$39.95 + $10 = $49.95
*3: 包括Plesk 10, 可以获得10%的优惠,最后每月为$42.5

个人强烈推荐cPanel,不管是在使用方便程度上,还是功能上,其实一个好的管理面板,可以为您节约非常多的时间,省去很多的麻烦。

Hostgator  hostgator-star


2011年之后的HostGator绝对“过渡销售”(Oversell)严重,并且根据本人的实际HG使用经历,他们所谓的技术支持也只不过是一群仅仅知道复制&粘贴的“高手”(非常可怕的客服).当然,如果你的站点日均访问量在1K IP以下并且不需要什么技术支持的话,那Hostgator还是值得推荐的,否则的话,那还是建议远离Hostgator比较好。

 972-Hostgator VPS hosting plans

 

 

 

2011年1月12日,我收到一个来自Hostgator的提醒邮件(Ticket ID: KHF-14526255),被告知我的共享主机账户下的一些脚本被临时“挂起”(suspend,另注:邮件部分不再翻译,下同):

Unfortunately, we were forced to suspend the script

"/home/my account/public_html/ntt.cc folder/index.php",
"/home/my account/public_html/flexman.info folder/index.php",
"/home/my account/public_html/blog.minidx.com folder/index.php" as it was causing a high load on the server, and due to this affecting all of the other accounts on the system, we were forced to take immediate action for the health of the server.

We noticed that this is a WordPress blog, and recommend installing the plug-in W3-Total-Cache, and which helps to greatly reduce the CPU required to run a WordPress blog and can help you to have more traffic while using less CPU. You can also find some tips on how to optimize WordPress installations for use on shared servers here (http://return-true.com/2010/05/optimizing-wordpress-for-shared-hosting/). Please note that though this link provides information about WP-Super-Cache, the plug-in W3-Total-Cache can be setup to provide the same sort of caching with the page caching method "Disk (enhanced)". Also, we would strongly recommend that you enable "Database Cache" and "Object Cache" in the plug-in’s settings for the best performance.

We will need you to update us with your IP address so that we can safely open access for you to make the needed changes to your site. Please let us know how you would like to proceed.
http://www.hostgator.com/myip.php
http://wordpress.org/extend/plugins/w3-total-cache/

……(logs)

Best Regards,
Benjamin Davis
Abuse, Network Security, and Blacklist Administrator
http://www.hostgator.com/tos/tos.php
HostGator.com LLC
http://support.hostgator.com

我想可能是由于这个账户下一些站点流量有所增长的缘故吧(实际上流量几乎没有变化),那好,按照Hostgator的要求我安装了W3-Total-Cache插件,于是这些脚本被重新激活::

I see that you’ve installed w3-total-cache. I’ve re-enabled your site completely. We will continue to monitor the server and will let you know if there are any further issues.
Regards,

Patrick Harrison
Network Security Administrator
HostGator.com LLC
http://support.hostgator.com

然而,当天我很快就收到了来自Hostgator的另一个警告邮件(Ticket ID:EDD-14526878),被告知/home/my account/public_html/ntt.cc folder/index.php被重新禁止执行了:

We had to disable /home/my account/public_html/ntt.cc folder/index.php again on the server, as it was continuing to cause a high load on the server.

You need to check the queries running on this site, and also make sure w3 total cache is fully activated with the database and object caching enabled as well.
Also make sure you have removed all unnecessary and resource intensive plugins from this site.

……(logs)

If you need any further assistance please do let us know. Thank you.

Best regards,
Bobby Mathew
Security Administrator
HostGator.com LLC
http://support.hostgator.com

Hostgator的技术支持人员继续给了我一些关于w3 total cache的建议,不过察看了服务器上的日志文件之后,我觉得问题可能出在一个名为Popularity Contest的wp插件上(该插件比较耗系统资源),于是我禁用了Popularity Contest:

I have made the database and object caching enabled and disabled some
plugins.Could you check it again and reactive /home/my account/public_html/ntt.cc folder/index.php ?

不是很清楚Hostgator的技术支持人员是否真的会检查你的账户下的变化,不管怎么样,他们重新激活了我的脚本:

Hello,

I have enalbed the index.php file for this domain.

David N.
Network Security and Support
HostGator.com LLC
http://support.hostgator.com

这一次,我想大概是因为站点内的一些插件引起了什么问题吧,虽然之前的长达15个月左右的时间内都没出什么问题……我只能这样安慰自己了。.

不过,噩梦还在继续……

2011年1月13日,我又被告知"/home/my account/public_html/ntt.cc folder/index.php "这个脚本再次被挂起(suspended)! HostGator的技术支持建议我把W3-Total-Cache的"Preview Mode"禁用:

I apologize, but I was forced to suspend the script "/home/my account/public_html/ntt.cc folder/index.php " as it was causing a high load on the server, and due to it affecting all of the other accounts on the system, I forced to take immediate action for the health of the server.

It appears that you are using W3-Total-Cache. We would strongly recommend that you enable "Database Cache" and "Object Cache" in the plug-in’s settings for the best performance, as well as ensuring that "Preview Mode" is disabled. If this is already enabled, it is likely that you will need to disable other resource intensive plug-ins, or identify an issue such as a large percentage of 404 errors, as these default to redirect to the main script of WordPress.

Also, please note that you should still be able to access the admin panel, and most of the site to make any modifications that you might need.

If you reply back to this with your IP address (http://www.hostgator.com/ip.shtml) we will be more than happy to go ahead enable HTTP access for you, so that you can safely work on the script without it causing further issues.

Once you have made the changes, please respond to this with the changes that you have made, so that we can re-enable this site, and watch for further problems, or see if there might be further suggestions that we can make to help lower the load that this site causes.

……(logs)

Best regards,
Muntek Suri
GNU/Linux Systems Administrator
HostGator.com LLC
http://support.hostgator.com

可能你已经注意到了即便是同一张Ticket,每一次处理的人员都是不一样的–这本身没什么问题,但是问题是后续人员根本就没有察看前面人员的处理纪录

好吧,我想可能是因为最近HostGator的虚拟主机无法承载3K(wordpress脚本)的访问量吧,尽管是完全相同的网站,完全相同的插件,几乎没有变化的流量之前已经运行了超过15个月没出什么大问题! 就是因为基于过去的这15个月的实际使用经历,我觉得Hostgator还是比较可靠的,所以我选择了定购Hostgator VPS(VPS-27107, Level 2)。

不过出师不利,VPS-27107一开始就无法被正确安装,初始化。于是我提交了一个Ticket,HostGator帮我重新发布了一个VPS(VPS-27118)。于是我把ntt.cc转移到了VPS,其他的仍然留在原来的共享主机上。

我想这样应该没什么问题了吧?!但是,噩梦,还是在继续着……

很快,我又收到了来自Hostgator的警告邮件(Ticket ID: HAT-14557719),被告知"/home/my account/public_html/themedaily.com folder/demo/index.php"被临时挂起(suspended),并且Hostgator的技术支持要求我安装W3-Total-Cache插件,实际上, themedaily.com/demo也是基于wordpress没错,但是它的流量,每天绝对不超过10个IP!!

Hello,

Unfortunately, we were forced to suspend the script "/home/my account/public_html/themedaily.com folder/demo/index.php" as it was causing a high load on the server, and due to this affecting all of the other accounts on the system, we were forced to take immediate action for the health of the server.

We noticed that this is a WordPress blog, and recommend installing the plug-in W3-Total-Cache, and which helps to greatly reduce the CPU required to run a WordPress blog and can help you to have more traffic while using less CPU. You can also find some tips on how to optimize WordPress installations for use on shared servers here (http://return-true.com/2010/05/optimizing-wordpress-for-shared-hosting/). Please note that though this link provides information about WP-Super-Cache, the plug-in W3-Total-Cache can be setup to provide the same sort of caching with the page caching method "Disk (enhanced)". Also, we would strongly recommend that you enable "Database Cache" and "Object Cache" in the plug-in’s settings for the best performance.

We will need you to update us with your IP address so that we can safely open access for you to make the needed changes to your site. Please let us know how you would like to proceed.
http://www.hostgator.com/myip.php
http://wordpress.org/extend/plugins/w3-total-cache/

……(logs)

Best Regards,

Benjamin Davis
Abuse, Network Security, and Blacklist Administrator
http://www.hostgator.com/tos/tos.php
HostGator.com LLC
http://support.hostgator.com

请注意这个Ticket的内容,细心的你也许已经发现,除了URI之外,其他的内容和上面的完全一样!!(Ticket ID: KHF-14526255)

不过没事,我想挂着Hostgator招牌的技术人员,再怎么样应该都是比较可靠的吧,所以我按照他们的建议做了。

但是……是的,我想可能你已经可以想到,这并不是这一事件的结束,噩梦还是在继续着……

2011年2月11日,我被告知共享主机下的脚本/home/my account/public_html/enjoymotocar.com folder/main.php被挂起,”强悍”的Hostgator技术支持给了我如下白痴型建议:

Hello,

I do apologise, but I was forced to suspend the script /home/my account/public_html/enjoymotocar.com folder/main.php as it was causing a heavy CPU load on our servers. The load it was causing was affecting all sites on the machine and I was forced to take immediate action to prevent this from happening.

It appears your site is a Wordpress based blog with no caching enabled. I highly recommend to rectify this situation that you install some form of caching.
Some of our recommended caching mechanisms are:
* DB Cache Reloaded
* W3 Total Cache
* Super Cache
* Hyper Cache
Any of these caching mechanisms can help significantly. Please provide us your IP from http://www.hostgator.com/ip.shtml so we can allow you developmental access to your site to apply the proper caching for your blog.

……(logs)

Best regards,
Steven Crothers
Linux Systems Administrator
HostGator.com LLC
http://support.hostgator.com

这个邮件令我非常困惑,因为enjoymotocar/main.php是基于gallery2脚本(http://gallery.menalto.com/)搭建的站点,而不是Hostgator技术支持人员邮件中的 Wordpress。 Hostgator的号称超级贵的按照时薪计算的技术支持人员,居然分不清Wordpress和Gallery2脚本!不要说专业人员,哪怕稍微有点Blogger基础的人员,也都大致知道Wordpress的结构,这可以说是非常简单的一件事情吧。所以我能想到的,只能是Hostgator技术支持,发这样的邮件的时候,仅仅是从知识库里Copy了一下,仅此而已!

我回复了这个Ticket,结果Hostgator的技术支持人员给了我如下建议:

Dear customer,

It appears that your modifications were successful.

I have removed all restrictions on your account at this time. We suggest that you enabler further caching as a step to prevent future suspensions.

Furthermore, It has been brought to our attention that your account has generated multiple and repeated TOS resource related tickets. Referenced below.

# Ticket ID Age Subject
1 GFE-14709579 0d 12h 20m TOS/CPU : gator583 : my account
6 HAT-14557719 24d 14h 19m TOS/CPU : gator583 : my account
9 DGX-14532623 29d 10h 46m TOS/CPU : gator583 : my account
13 KHF-14526255 30d 14h 52m TOS/CPU : gator583 : my account

I regret that it is my duty to inform you that on your next suspension for TOS resource related issue that we will be forced to recommend your account be upgraded to a VPS level 5 with cpanel installed or a Standard Dedicated serer or better in order to continue hosting with our company. I apologize for any inconvenience that this may cause.

Our vps and dedicated hosting solutions are linked below.
http://www.hostgator.com/vps-hosting/
http://www.hostgator.com/dedicated.shtml
If you have any questions or concerns, please don’t hesitate to contact us. We are more than happy to assist you.
<=-=><=-=><=-=><=-=><=-=><=-=><=-=><=-=><=-=><=-=><=-=>
Thanks,
Rodney W.
Hostgator.com Support
1.866.96.GATOR (42867)

我感到非常的困惑以及无法理解,为什么针对完全没有任何程序脚本上的变化以及流量上变化的站点,之前一直都好好的但是进入2011年之后却不断的发生TOS/CPU问题。

与此同时,我在Hostgator的VPS(Level 2)也down了好几次,于是我要求将VPS升级到Level 3(Ticket ID: OFU-14637320),结果很令人失望,所以我决定取消了我的Hostgator VPS。

到此为止,我不知道除了和Hostgator说再见之外,还能做什么……

另外: 从Hostgator退款到Paypal或者信用卡并不是那么的容易,他们更喜欢退还到你的Hostgator账户。

Sadness

 

Media Temple  Media Temple


我问了Google找到了非常多的关于Media Temple正面的评价, 比如说MT是业界的领袖,如何稳定如何强大之类的。Media Temple号称为很多大名鼎鼎的客户提供服务–不过如果你不是他们的大客户,而仅仅购买了“Small”类型的话,不要指望他们能够像对待他们的大客户那样对待你!Media Temple的客服相对于Hostgator来说少显得转业了一些,不过还是比较恐怖。总的来说如果你不是他们的大客户,那么Media Temple并不值得购买与尝试。

Media-Temple-logo1

我订购了Media Temple Dedicated-Virtual(dv) 3.5(Order# 920890),附带的是Plesk面板,随后我迁移了ntt.cc到这个VPS上。转移的过程中,我发现phpMyAdmin无法重定位,于是我尝试着提交了一个Ticket给MT客服(时间是8:14 PM):

Hello, there

I have read the following help documents:
http://wiki.mediatemple.net/w/%28dv%29_4.0:PhpMyAdmin
http://wiki.mediatemple.net/w/%28dv%29:Migration_guide#Databases

But I found that click Domains >example.com > Databases > Database Name > DB Webadmin from my Plesk, it can NOT be redirect to phpMyAdmin. Could you help to check what’s the matter of my control panel?

Here is my CONTROL PANEL URL:

Best Regards & Thanks
Ding ZhiGang

我在9:34 PM收到了回复:

You may need to disable your pop-up blocker, or allow pop-ups for this site. This may be why phpMyAdmin is not appearing when you attempt to load it. After accepting pop-ups, I was able to confirm that phpMyAdmin could load successfully.

Media Temple Dedicated-Virtual pypMyAdmin

Let me know if there’s anything else I can answer for you regarding your (mt) Media Temple services.

Best regards,

Manuel Solis
Customer Support
(mt) Media Temple
<v> 877-578-4000
<f> 310-564-2007
User Forums: http://kb.mediatemple.net/questions/824/

按照MT技术支持的提示,我成功的起用了phpMyAdmin,虽然这个Ticket耗时1个多小时,不过还是顺利的解决了我的问题。

随后在16 09:28:12 2011,我的VPS的httpd服务崩溃了,直到我手动重起了httpd。关于服务没有被重新启动,我在Jan 16, 2011 at 06:24 PM提交了ticket(req# 1071614)询问原因,在Jan 17, 2011 at 07:52 AM收到了如下回复:

We have reviewed your request and determined that it requires the assistance of a Technical Support Representative.  Please anticipate a short delay while we re-assign your support request to a staff member who is better equipped to service your needs.

Due to the nature of this support request additional time may be needed to provide you with a response.  Thank you.

Best regards,

Joseph H.
Customer Service Lead
(mt) Media Temple
<v> 877-578-4000
<f> 310-388-0929

做一个判断“这一问题需要更高层次的技术人员协助”,就耗费了超过12个小时!随后2011年1月17日下午10:50,我收到了MT客服Chason C. (mt)的回复:

The issues you have been experiencing are most likely due to overuse of your server’s memory and processing resources. You can check this by looking at your Quality of Service Alerts in Plesk. To view these:

1.) Log in to Plesk using your ‘admin’ or ‘root’ user.
2.) Click on Virtuozzo in the left pane.
3.) Select the QoS Alerts button.

You will likely notice several yellow, red, and black alerts for "kmemsize" and "tcpsndbuf."

Kmemsize is the kernel memory of the server. This limit is closely tied to your CPU use, and is smaller than your RAM. Tcpsndbuf is the data being served by Apache. If Apache is trying to give too much to too many people at the same time, you can reach this limit.

The best way to determine why you are reaching this particular resource limit is to look at the traffic on all of your sites, especially which pages and files are being requested the most. For example, if hundreds of people are trying to view the same streaming video within a minute of each other, it’s probably this item that is causing you to reach the limit. Of course, it’s possible that the requests are spread out over many different items as well, which will make this more difficult to analyze.

View the raw access logs at /var/www/vhosts/domain.com/statistics/logs. For the graphed statistics, go to "domain.com/plesk-stat". You can turn on the statistics by going to the Domains tab, then the domain itself, then the Setup tool. If you have password protection on, you should log in with your Client login information for this site.

You may be able to identify a resource-heavy process and bring your resource use back down to normal levels. As a courtesy, (mt) Media Temple has provided a detailed troubleshooting article that will help you with this:

http://wiki.mediatemple.net/w/DV:Memory_optimization_and_troubleshooting

Please go through the troubleshooting steps in this article. It should help you get a basic idea of what is causing your issue, and may also help you pinpoint a specific script or website element that is your memory-hogging culprit.

Keep in mind, however, that this is a server-administration type task that is not supported by (mt) Media Temple. Our basic troubleshooting guide is helpful, but you will likely have to follow up with your system administrator for a more detailed evaluation of your server.

If, after an evaluation, you conclude that you cannot optimize further and that you need more server resources, you also have the option to upgrade to the next level of (dv) Dedicated-Virtual Server.

The following articles may also help you:

* More about server resource alerts: http://wiki.mediatemple.net/w/DV:Use_QoS_Alerts_and_beancounters_to_analyze_system_resource_limits
* Upgrade your server resources: http://wiki.mediatemple.net/w/DV:Upgrade_server
* Reboot your server:
http://wiki.mediatemple.net/w/DV:Reboot_your_server

Please let me know if there’s anything else I can answer for you regarding your (mt) Media Temple services.

Best regards,

Chason C.
Customer Support
(mt) Media Temple
<v> 877-578-4000
<f> 310-564-2007

对于我的问题的解决,基本上没什么帮助,于是我问MT关于CPU和内存的限制:

So could you let me know how much GHZ of DV base plan?

I also noticed that there should only 512MB memory but in fact there are 894.7 MB. It’s great but why it’s different…

Media Temple客服Chason C. (mt)做了如下回复:

It is difficult to give you an exact number on the amount of CPU you get, since you are on a virtualized server. The CPUs on your host server are Intel Xeon L5630 processors running at 2.13GHz. On a (dv) Base, you get about 8% of that processor time, although that number is burstable and will change depending on demand.

The reason you are seeing a different number for your total amount of RAM on the server, is that it will count your burstable level of RAM. While you are guaranteed a base level of 512MB of RAM, more memory will be made available to you on demand up to the limit you see reported. However, it is safest to keep your day to day operation on the server under the 512MB mark so that you don’t constantly run into memory shortages when that burstable RAM is not available.

Please let me know if there’s anything else I can answer for you regarding your (mt) Media Temple services.

于是我有再次作了确认:

Does that mean the CPU which I can use is: 2.13GHz * 8% or 2.13GHz * 8% * 4(4 cores)? and could you let me know how many percent of the DV Rage plan?

MT回复:

As I said, the exact CPU amount a bit of a fudge, as the virtualization server does not run your website at a particular CPU speed that would correspond to a certain GHz. You do receive the multi-tasking benefits of all 4 cores, so that 8% amount reflects the amount of processing power you get from 8% of the processing of the entire server.

The Rage would give you 12% of the CPU time.

同时我留意到Plesk后台的"QoS Alerts"中,出现了非常多的"black alerts"警告,无法确定我/你是否真的可以获得8%的CPU, 不过可以确定的是,DV 3.5 plan貌似运行我的站点也有问题。简单的说:

主要问题: 严格的CPU限制,你无法真正的使用MT官方标榜的资源,客服人员迟钝的反应,紧急情况下足以让你在等待中崩溃(当然相对于Hostgator来说稍微好一些).

其次: 访问速度不如Hostgator快。

另外: 从Media Temple退款比较简单,退款速度也很快。

 

KnownHost KnownHost-VPS


花了不少时间在WHT(webhostingtalk.com)上找到了评价很高的KnownHost,由于MediaTemple的经历,希望很大,失望越大,我对这些好评还是抱怀疑态度,不管怎么样我还是决定尝试一下。结果当我尝试订购了Knownhost的VPS之后,我发现我可以非常惬意的伸着懒腰享受着阳光,而无需担心网站得随时会崩溃了…… 

knownhost-fully-managed-vps-specialists

不过在慎重起见,在购买Knownhost VPS之前,我提交了一个优先级为“低”的Ticket,确认CPU的限制(01/30/2011 07:52 AM),很快(01/30/2011 07:58 AM)我就收到了回复,回复说一般一台Knownhost服务器,大致放置20个左右的VPS,而这20个左右的用户,是共享整个CPU的:

Hello,

We don’t limit the CPU as we use Virtuozzo and offer Equal Share CPU. This means you get an equal percentage of CPU compared to others on the machine and we put around 20 others but they don’t all request CPU at the same time. We use Dual CPU Quad Core Machines so very powerful so CPU isn’t an issue in most cases. You can actually burst the entire CPU of the physical machine we just don’t allow it for over 90 seconds or we may be in contact with you to help cut down CPU usage. It’s okay if it happens time to time but if a trend is happening we may email you. Any further questions let us know.

Regards,
Justin

由于同一时间使用CPU的可能性很小,而且现在服务器的CPU都很强悍,可以说Knownhost的共享CPU方式,对于VPS用户来说,CPU就不会成为一个限制的因素了。

购买了VPS之后,使用期间我又提交了一些Ticket,Knownhost的技术支持人员每次都快速反应,调查原因,解决问题,都非常迅速到位。而且每次都把问题发生的原因说明的非常清楚。简直无可挑剔!比如在这期间我收到系统发给我的一个“httpd on host failed”的警告邮件(httpd已经被自动重启),于是我在Feb/13/2011 06:23 AM提交了一个Ticket(Ticket ID:151127)确认发生的原因:

I received "httpd on my host name failed" mail, could you help to confirm why the httpd on this VPS failed?
===================mail contents========================
httpd failed @ Sun Feb 13 00:48:15 2011.
A restart was attempted automagically.Service Check Method: [tcp connect]
Failure Reason: Unable to connect to port 80
====================================================

很快,在Feb/13/2011 06:49 AM我就收到了回复,非常迅速,回答很专业,问题分析得也非常到位,详细:

Hello,

I have checked the server logs and statistics. But I didn’t find any issues. It might be a temporary outage.

At present httpd is running without any issues.
——————
# pidof httpd
32667 32666 32665 32664 32663 32662 32661 32660 32640 32639 32637 32636 32634 32633 32627 30291 27688 27668 27667 26437 26412 26409 25854 21934 19786 17723 17705
——————

The server load is normal in between 12:00 AM and 01:00 AM.
————————————————————-
12:00:01 AM runq-sz plist-sz ldavg-1 ldavg-5 ldavg-15
12:10:01 AM 2 64 0.48 0.59 0.56
12:20:02 AM 2 58 0.31 0.32 0.42
12:30:01 AM 2 62 0.28 0.34 0.36
12:40:01 AM 1 43 0.32 1.08 0.75
12:50:01 AM 1 77 0.69 0.38 0.46
01:00:01 AM 1 71 0.55 0.42 0.43
————————————————————-

Apache’s MaxClients value is also okay. The last error message that had logged in the error log was on Jan 31.
————————————————————-
# grep MaxClien /etc/httpd/logs/error_log | tail -f
[Mon Jan 31 17:36:19 2011] [error] server reached MaxClients setting, consider raising the MaxClients setting
————————————————————-

I have checked the resource alerts(power panel) and daily process log(WHM). But didn’t find any issues.

There are very less number of connections to this server, currently. So there’s no possibility of DDoS.
———————————-
# netstat -plane|grep :80| wc -l
62
———————————-
Server port 80 is not blocked in csf.
————————————-
# csf -l|grep :80
23 126K 6999K ACCEPT tcp — !lo * 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:80
29 4026 242K ACCEPT tcp — * !lo 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:80
1 644 138K tcp — !lo * 67.222.18.98 0.0.0.0/0 tcp dpt:80
2 668 1177K tcp — !lo * 0.0.0.0/0 67.222.18.98 tcp spt:80
15 0 0 tcp — !lo * 67.222.19.98 0.0.0.0/0 tcp dpt:80
16 0 0 tcp — !lo * 0.0.0.0/0 67.222.19.98 tcp spt:80
————————————-

So, you can ignore this warning.

Thanks,
Richard
KnownHost Support

这才是真正的一对一的服务,绝对不是那些仅仅从知识库中复制,粘贴的所谓技术支持人员所能比拟的。我想这才是大多数网站运营人员所需要的技术支持!

  • 一台高配置服务器仅仅放置20个左右的VPS
  • 等量共享至强CPU
  • 非常迅速非常专业的技术支持(绝对的一对一)
  • 非常快速的网络速度,ping值也很低(Texas or California两个数据中心可以选择)
  • 不可思议的稳定性和真正的fully managed VPS(而不像HG或者其他…)
  • 还有更多…

对于这样的VPS提供商,我还需要要求什么呢?!这里进入Knownhost后,提交订单的时候输入KH4LIFE,对于VS2型,附带cPanel也仅仅需要$36。

下面是一些在你购买之前可能会感兴趣的关于Knownhost的常见问题,更多的FAQs请直接访问Knownhost察看。

1. Texas和California哪一个数据中心更好?


Knownhost允许你选择购买的服务器为Texas或者California数据中心, 下面是关于这两个数据中心的一些描述,对于国内用户而言,两个速度相差不大,Ping值California的比Texas要小一些,购买者可以根据自己喜好选择:

Besides the obvious difference in geographical location, their is a difference in bandwidth providers in each data center:
- in Texas a BGP blended mix of InterNap, Level3, Time Warner Telecom & XO Communications
- in California a BGP blended mix that consists of Qwest, Sprint, Level 3, Global Crossing, Savvis, PCCW, Tiscali and Teleglobe;

Another thing you may consider is in regards to the physical location of each data center. Based upon where you or potentially most of your customer base maybe located, you might considered one data center over the other based upon it’s proximity to you.

Texas Data Center IP Address : 65.99.213.7
California Data Center IP Address : 67.222.15.99

2.选择哪一个控制面板比较好?


可供选择的有Cpanel, Plesk以及DirectAdmin。

功能上来说都很强大,不过我个人强烈推荐Cpanel+WHM ($5每月),如果不购买面板,那就self managed,是无法得到Knownhost的技术支持的。

3. knownhost的价格中是否已经包含了VAT税?


不包含,不过这个和国人无关。我们不需要关心VAT税。

Our prices do not include VAT. If you are required to submit this tax, please follow your normal procedure.

4. Knownhost是否有退款保证?


是的,Knownhost提供30天无条件退款保证。但是如果你同时通过Knownhost购买了域名,域名的费用是无法退款的。也就是说新用户30天内,不需要提供任何理由就可以要求退款。

注:新注册用户才支持30天无条件退款,老用户无法享受这一政策。

5. 购买后账户多少时间可以使用?


Knownhost确保24小时内你的账户可以被开通,不过一般情况都是在3小时内就可以使用了。开通后你会收到一封邮件。

6. Knownhost支持哪些付款方式?


Knownhost接收信用卡,(Visa, MasterCard, American Express) 以及Paypal.

7. Knownhost是否确保uptime时间?


是的,Knownhost确保99.9%的network uptime.

8. Knownhost提供哪些支持方式?


We offer 24/7 support on all hosting services via our helpdesk found here http://support.knownhost.com/.

9. Knownhost是否提供从其他提供商数据转移服务?


是的,如果是基于相同的管理面板,Knownhost提供这一服务。在你收到欢迎邮件后,只需要联系support@knownhost.com 要求网站/数据转移就可以了(需要你原先面板的root权限)。

10. Knownhost是否提供30天免费试用?


不提供。如果你用Knownhost的主机觉得不爽,你完全可以利用30天无条件退款。

11. 一台服务器上最大VPS用户数是多少?


根据VPS用户类型,一般在5-25个VPS之间。

12. Knownhost如何确保网站转移过程中最少的当机时间?


We would recommend reducing DNS TTL for all your domains a couple of days before actual migration happens. In this case, it will not take much time for DNS propagation and your sites will become active quickly on your new system. Also, migration does no

本文英文版地址:

http://ntt.cc/2011/02/20/media-temple-vs-hostgator-vs-knownhost-vps-so-bad-experience-of-mt-hg.html

Topics: 域名/虚拟主机 | 26 Comments » | Tags: , , , ,

你可能还对下列文章感兴趣:

26 comments | Add One

  1. 小木刀 - 03/31/2011 at 5:52 pm

    MT就是个悲剧,谁用谁知道。。。。

    完全对不起他那个价格。

    另外。linode的VPS也是不错的。

  2. Minidxer - 03/31/2011 at 7:29 pm

    linode口碑还可以,不过就是流量太少了,Linode 768的才300GB,这个我不够用,相同配置的Knownhost有2000GB

  3. macleo - 05/12/2011 at 6:03 pm

    恐怖的经历…不过我不知道,有什么理由让我去买vps…呵呵…

  4. 防晒霜哪个牌子好 - 06/7/2011 at 9:14 pm

    我还用着虚拟机,买不起VPS

  5. nvletitgo - 06/30/2011 at 6:02 pm

    请问一下 你选的是ca的还是tx的机房

  6. Minidxer - 06/30/2011 at 6:56 pm

    nvletitgo,

    我选的是ca的。

  7. 东风又见东风 - 08/19/2011 at 11:17 am

    不知KnownHost有无节点数限制,我的网站至少有数万个目录和静态文件。

  8. souebooks搜图书 - 08/23/2011 at 3:21 pm

    本来决定买mt的,让你一说不知道该买哪个了,呵呵再查查看

  9. 聚合分享网 - 09/2/2011 at 10:28 am

    一个分享型IT博客,一起相互加入链接吧!

  10. cxybl - 09/2/2011 at 4:16 pm

    正打算买vps的,流量少的时候用用虚拟主机还行,流量一大就要买vps了

  11. geox - 09/19/2011 at 8:38 pm

    这个vps贵的很啊

  12. 朵朵 - 10/17/2011 at 6:22 pm

    好久不来了,文章还是跟以前的风格一样啊

  13. 疤痕 - 10/20/2011 at 9:21 am

    你好 可以换一下友情链接吗

  14. testuseranxa - 03/10/2012 at 3:18 am

    太好看了这个

  15. 奇妖电影网 - 03/10/2012 at 3:21 am

    可以申请友情链接吗?博主~~

  16. 万艾可 - 03/12/2012 at 5:38 pm

    博主我的评论还没放出了啊www.68yf.com

  17. hemingway - 03/13/2012 at 10:10 pm

    木有钱啊,所以还是用免费空间,等有钱了哦也买你这样的VPS

  18. gardenraisedbeds - 04/20/2012 at 10:08 am

    每次到这里来都会有好多的惊喜,楼主加油

  19. nod32 - 04/23/2012 at 12:34 am

    想和贵站做个友情链接

  20. 比分_www.779a.com|5u5sbv - 04/26/2012 at 11:48 pm

    呵呵!博主文章很不错,支持下。。。顶!..壬辰年(龙)四月初六 2012-4-26

  21. 土木坛子 - 05/24/2012 at 4:03 pm

    写个博客也真不容易呢。还有这么多烂事。

  22. 土木坛子 - 08/18/2012 at 5:51 am

    主机的选择确实挺烦人的,尤其是考虑性价比的时候。

  23. yiduiyi - 08/18/2012 at 10:03 pm

    请问能投稿吗?

  24. 学大教育 - 08/19/2012 at 10:33 am

    写得不错哦~

  25. 北京学大教育 - 08/19/2012 at 8:13 pm

    怎么发不了表情呢。。。

  26. Minidxer - 09/28/2012 at 6:40 am

    可以。 send to: minidxer#gmail.com

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