blocks|key|1815269|text|有几点你可以考虑提高你的网站的性能。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1815270|1815271|Set+debug=false+|ordered-list-item|1815272|关闭跟踪，除非需要|1815273|关闭会话状态(如果不需要)。ASP.NET自动管理会话状态。但是，如果您不需要会话，禁用它将有助于改进performance|1815274|Disable+required.|1815275|Avoid，因为当它不是Database|1815276|Avoid的频繁往返时会抛出异常。异常是处理应用程序逻辑中发生的错误的一种很好的方法。但是，抛出异常是一种代价高昂的资源，必须避免。使用特定的异常并尽可能少地使用，以避免资源开销使用缓存来提高application.|1815277|Use+|1815278|的性能|1815279|方法杀死资源|1815280|1815281|编辑：使用此网站http://www.websiteoptimization.com/services/analyze/+测量您的网站性能|offset|length|style|BOLD|1815282|http://www.websitepulse.com/+|1815283|entityMap|0|LINK|mutability|MUTABLE|url|http://www.websiteoptimization.com/services/analyze/|1|http://www.websitepulse.com/^0|0|0|0|0|0|0|0|0|0|0|0|0|0|3|8|1H|0|0|0|T|1|0^^$0|@$1|2|3|4|5|6|7|1E|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|1F|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|1G|8|@]|9|@]|A|$]]|$1|F|3|G|5|E|7|1H|8|@]|9|@]|A|$]]|$1|H|3|I|5|E|7|1I|8|@]|9|@]|A|$]]|$1|J|3|K|5|E|7|1J|8|@]|9|@]|A|$]]|$1|L|3|M|5|E|7|1K|8|@]|9|@]|A|$]]|$1|N|3|O|5|E|7|1L|8|@]|9|@]|A|$]]|$1|P|3|Q|5|E|7|1M|8|@]|9|@]|A|$]]|$1|R|3|S|5|6|7|1N|8|@]|9|@]|A|$]]|$1|T|3|U|5|E|7|1O|8|@]|9|@]|A|$]]|$1|V|3|-4|5|6|7|1P|8|@]|9|@]|A|$]]|$1|W|3|X|5|6|7|1Q|8|@$Y|1R|Z|1S|10|11]]|9|@$Y|1T|Z|1U|1|1V]]|A|$]]|$1|12|3|13|5|6|7|1W|8|@]|9|@$Y|1X|Z|1Y|1|1Z]]|A|$]]|$1|14|3|-4|5|6|7|20|8|@]|9|@]|A|$]]]|15|$16|$5|17|18|19|A|$1A|1B]]|1C|$5|17|18|19|A|$1A|1D]]]]

There are some point you can consider for performance improvment of your website.

<ol>
<li>Set debug=false </li>
<li>Turn off Tracing unless until required</li>
<li>Turn off Session State, if not required.
ASP.NET Manages session state automatically. However, in case you dont require Sessions, disabling it will help in improving the performance</li>
<li>Disable ViewState as and when not required.</li>
<li>Avoid Frequent round trips to the Database</li>
<li>Avoid Throwing Exceptions.
Exceptions are a greate way to handle errors that occur in your application logic. However, throwing exceptions is a costly resource and must be avoided. Use specific exceptions and use as minimal as possible to avoid resource overhead</li>
<li>Use Caching to improve the performance of your application.</li>
<li>Use Finally Method to kill resources</li>
</ol>

Edit:
measure your website performance using this website
<a href="http://www.websiteoptimization.com/services/analyze/" rel="noreferrer">http://www.websiteoptimization.com/services/analyze/
</a>
 
<a href="http://www.websitepulse.com/" rel="noreferrer">http://www.websitepulse.com/
</a>

blocks|key|1815218|text|您是否检查过web.config中的debug=false？|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1815219|服务器是64位的吗？尝试为您的应用程序创建专用应用程序池，并将应用程序池设置为在32位经典模式下运行。这有什么区别吗？|1815220|您的类是预编译的，还是设置为在运行时编译？|1815221|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

Have you checked that the debug=false in your web.config?

Is the server 64bit?
Try to create a dedicated application pool for your application and set the application pool to run in 32bit classic mode.
Makes that any difference?

Is you class pre-compiled or have you set it up to compile at runtime?

blocks|key|4508110|text|设置页面“true”(<%25@+Trace=+Trace="true"...)在您的页面中，当页面加载到浏览器中时，您将在页面底部获得许多有用的信息。您将确切地知道在服务器上处理请求需要多长时间。如果时间足够短，则问题可能出在IIS设置中。将它们与您的开发环境中的版本进行比较。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4508111|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Set Trace="true" (&lt;%@ Page Trace="true"...) in your page and you will get a lot of useful information at the bottom of the page when it loads in the browser. You will know exactly how much time is needed to process the request on the server. If the time is low enough, then the problem could be in the IIS settings. Compare them to the ones on your dev environment.

blocks|key|5923864|text|您的SQL服务器是否在生产环境中的另一台服务器上，但在本地开发环境中？|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5923865|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Is your SQL server on another server on production, but local on development?

blocks|key|2395865|text|通过阅读所有的建议，看起来似乎什么都不起作用，开始从你的网站上一点一点地删除代码，看看这是如何影响时间的。一次删除大约10行代码或HTML，看看是否有很大的区别。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2395866|否则，它可能与IIS有关，对不起，我不是IIS专家。|2395867|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

From reading all the suggestions, and it seemingly like nothing is working, start taking code out of your site, little by little, and see how that affects time. Remove about 10 lines of code or HTML at a time, and see if there is a huge difference.

Otherwise, it probably has to do with IIS, and sorry, I ain't no IIS guru.

blocks|key|5923912|text|海量视图状态导致传输延迟？|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5923913|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Massive viewstate causing transmission delay?

blocks|key|2395726|text|这是你在服务器上唯一的网站吗?+16+GB是相当好的内存，但如果有许多流行的网站在同一服务器上，他们可能会消耗资源和CPU时间。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2395727|除此之外，我想不出任何原因，为什么你的网站在生产上会比在开发中慢。|2395728|你看过索引了吗？它们都在服务器上？|2395729|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

Is this the only website you have on the server? 16 GBs is pretty good memory, but if there are many popular websites on that same server they could be eating up the resources and CPU time.

Other than that I can't think of any reason why your website would be slow on production than in development.

Did you check out the indexes? They're all there on the server?

blocks|key|5923994|text|你需要减少变量。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5923995|尝试消除两个环境之间的所有差异，然后逐个进行更改，直到您弄清楚它是什么。|5923996|确保两个环境中的web.config相同。|5923997|确保两个环境都指向第三个机器上的同一数据库服务器。|5923998|确保两个环境中的IIS版本相同。|5923999|确保在两个环境中配置的IIS相同。|5924000|在两个环境中运行相同的测试数据。|5924001|等等。|5924002|entityMap^0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|S|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|T|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|U|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|V|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|W|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|X|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|Y|8|@]|9|@]|A|$]]|$1|P|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|Q|$]]

You need to reduce the variables.

Try eliminating all of the differences between the two environments, then make changes one by one until you figure out what it is.

Make sure that the web.config is the same in both environments. 
Make sure both environments point to the same database server on a 3rd box. 
Make sure the same version of IIS is in both environments. 
Make sure IIS is configured the same in both environments. 
Run the same test data on both environments. 
etc...

blocks|key|4508381|text|在为我的开发机器和生产机器的性能差异而头痛了很长一段时间后，我终于屈服于我内心深处的感觉，处理器实际上比你想象的要重要得多。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4508382|我从基于AMD的解决方案改为基于英特尔的解决方案(至强！)，获得了.3GHz和更快的磁盘。|4508383|我也获得了性能提升，而不是像我的开发机器那样慢的x3，它现在下降到类似于x0.75的速度-显然仍然没有我的开发机器能够达到的闪电速度，但它越来越接近了。|4508384|在进一步调试时，我注意到大部分的性能问题(这并不奇怪)来自LINQ到SQL，必须编译查询，对我来说似乎奇怪的是，一旦我尝试预编译一个LINQ查询并在两台机器上运行相同的东西，开发机器就会变得更快。|4508385|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|L|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|M|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

After banging my head against the wall for a long time concerning the performance difference of my development machine and the production machine, I finally caved in to the feeling I've been having deep down that the processor actually matter a lot more than you'd think.

I changed from an AMD based solution to an Intel based solution (Xeon!), gaining .3GHz and faster disks.

I also gained a performance boost, instead of being x3 as slow as my development machine it's now down to something like x0.75 slower - obviously still not the lightning speeds that my development machine is capable of but it's getting closer.

While debugging this further I noticed that most of the performance hog (which is no surprise really) is coming from LINQ to SQL having to compile queries, what seems odd to me is that once I tried precompiling a LINQ query and running the same thing on both my machines, the development machine turned out to be faster.

blocks|key|1815377|text|如果您已经研究了所有可能的代码优化，但仍然面临性能问题，这可能是原因：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1815378|检查您的Web.config并删除以下内容。|1815379|+<system.codedom>
<compilers>
++<compiler+language="c#;cs;csharp"+extension=".cs"+type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider,+Microsoft.CodeDom.Providers.DotNetCompilerPlatform,+Version=2.0.1.0,+Culture=neutral,+PublicKeyToken=31bf3856ad364e35"+warningLevel="4"+compilerOptions="/langversion:default+/nowarn:1659;1699;1701"+/>
++<compiler+language="vb;vbs;visualbasic;vbscript"+extension=".vb"+type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.VBCodeProvider,+Microsoft.CodeDom.Providers.DotNetCompilerPlatform,+Version=2.0.1.0,+Culture=neutral,+PublicKeyToken=31bf3856ad364e35"+warningLevel="4"+compilerOptions="/langversion:default+/nowarn:41008+/define:_MYTYPE=\&quot;Web\&quot;+/optionInfer%2B"+/>
</compilers></system.codedom>|code-block|syntax|javascript|1815380|如果您进行预编译并且仅使用use服务器上编译的程序集，则可以安全地从web.config中删除这些程序集。|1815381|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|O|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

If you have already looked into all the possible code optimzation and still facing performance issues this could be the reason:
Check your Web.config and remove the following.
<pre><code> &lt;system.codedom&gt;
&lt;compilers&gt;
 &lt;compiler language=&quot;c#;cs;csharp&quot; extension=&quot;.cs&quot; type=&quot;Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=2.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35&quot; warningLevel=&quot;4&quot; compilerOptions=&quot;/langversion:default /nowarn:1659;1699;1701&quot; /&gt;
 &lt;compiler language=&quot;vb;vbs;visualbasic;vbscript&quot; extension=&quot;.vb&quot; type=&quot;Microsoft.CodeDom.Providers.DotNetCompilerPlatform.VBCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=2.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35&quot; warningLevel=&quot;4&quot; compilerOptions=&quot;/langversion:default /nowarn:41008 /define:_MYTYPE=\&amp;quot;Web\&amp;quot; /optionInfer+&quot; /&gt;
&lt;/compilers&gt;&lt;/system.codedom&gt;
</code></pre>
These can be safely removed from the web.config if you do pre-compilation and only use the compiled assemblies on the webserver.

My problem is that my ASP.NET website is running slower on my production server comparatively on my development server.

A page that executes in 120ms in my development environment takes 400ms to execute on the server. I've monitored the SQL server with the profiler and the query being run on the page taking 400ms on the server only takes around 50ms to finish - so I've convinced myself that my problem does not lie with the SQL server.

My development machine is an Intel I7 with 6GB RAM, the production server is a 2x AMD Quad Core with 16GB ram.

ASP.NET Website Slow Performance on production server

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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功能2上新100个字符功能2上新100个字符功能2上新100个字符功能2上新100个字符功能2上新100个字符功能2上新100个字符功能2上新100个字符功能2上新100个字符功能2上新100个字符。

功能5描述100个字符功能5描述100个字符功能5描述100个字符功能5描述100个字符功能5描述100个字符功能5描述100个字符

功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符

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我的问题是我的ASP.NET网站在我的产品服务器上的运行速度比在我的开发服务器上慢。在我的开发环境中，一个在120ms内执行的页面在服务器上执行需要400ms。我已经用分析器监视了SQL服务器，在服务器上运行的页面上的查询只用了大约50毫秒就完成了400毫秒-所以我确信我的问题不是SQL服务器的问题。我的开发机器是一个6 6GB内存的英特尔I7，生产服务器是一个带有16 6GB内存的2xAMD四核

问ASP.NET网站在生产服务器上性能低下
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