blocks|key|4238883|text|我发现的最全面的负载测试软件是HP+LoadRunner+(对不起bit.ly链接，但是HP链接很可怕，不能正常工作)。它非常灵活，可以从负载测试生成许多不同类型的报告。您还可以让一组机器协同工作以进行负载测试。并不是说其他工具是坏的，但它使类似Apache+JMeter的东西看起来像个玩具。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|entityMap|0|LINK|mutability|MUTABLE|url|http://bit.ly/4r8G2l|1|http://jakarta.apache.org/jmeter/^0|F|D|0|3F|D|1^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@$A|N|B|O|1|P]|$A|Q|B|R|1|S]]|C|$]]]|D|$E|$5|F|G|H|C|$I|J]]|K|$5|F|G|H|C|$I|L]]]]

The most comprehensive load testing software I have found is <a href="http://bit.ly/4r8G2l" rel="nofollow">HP LoadRunner</a> (sorry for the bit.ly link but the HP link is horrible and won't work correctly). It is very flexible and you can generate a lot of different types of reports from the load tests. You can also have a group of machines work in tandem to load test. Not that other tools are bad but it makes something like <a href="http://jakarta.apache.org/jmeter/" rel="nofollow">Apache JMeter</a> look like a toy.

blocks|key|5425466|text|赫珀夫和Apache基准工具AB|type|header-two|depth|inlineStyleRanges|entityRanges|offset|length|data|5425467|(还有大量用于捕获重复查询和缓存错误的工具。)|unstyled|5425468|它简单，有效，可以产生大量的流量从一个四核%2B机器连接到您的服务器上千兆以太网。它也有一些很酷的东西，比如限制利率。|5425469|如果您想变得特别有趣，可以使用httperf记录和回放HTTP流量。|entityMap|0|LINK|mutability|MUTABLE|url|http://www.hpl.hp.com/research/linux/httperf/|1|http://httpd.apache.org/docs/2.0/programs/ab.html^0|0|3|0|4|C|1|0|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@$A|U|B|V|1|W]|$A|X|B|Y|1|Z]]|C|$]]|$1|D|3|E|5|F|7|10|8|@]|9|@]|C|$]]|$1|G|3|H|5|F|7|11|8|@]|9|@]|C|$]]|$1|I|3|J|5|F|7|12|8|@]|9|@]|C|$]]]|K|$L|$5|M|N|O|C|$P|Q]]|R|$5|M|N|O|C|$P|S]]]]

<a href="http://www.hpl.hp.com/research/linux/httperf/">httperf</a> mainly and also <a href="http://httpd.apache.org/docs/2.0/programs/ab.html">AB the Apache Benchmarking tool</a>

(and a ton of instrumentation to catch duplicate queries and cache misses.)

It is simple, effective and can spawn alot of traffic from a quad-core+ machine attached to your server on gigabit ethernet. It also has cool stuff like rate limiting.

If you want to get really fancy, you can record and playback HTTP traffic with httperf.

blocks|key|4238907|text|Microsoft容量分析工具(+据报+)是IIS选择的工具|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|entityMap|0|LINK|mutability|MUTABLE|url|http://blogs.iis.net/thomad/archive/2010/05/11/using-the-wcat-fiddler-extension-for-web-server-performance-tests.aspx^0|H|2|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@$A|L|B|M|1|N]]|C|$]]]|D|$E|$5|F|G|H|C|$I|J]]]]

Microsoft Web Capacity Analysis Tool (WCAT) is <a href="http://blogs.iis.net/thomad/archive/2010/05/11/using-the-wcat-fiddler-extension-for-web-server-performance-tests.aspx" rel="nofollow">reportedly</a> the tool of choice of the IIS team

blocks|key|5425911|text|我将为您提供四组标准，以便您检查工具，并且在开放源码和商业领域中有许多标准可用于性能测试应用程序。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5425912|它会在我的应用程序上使用我的接口吗？有很多的工具是免费的，但界面单一，可能无法充分运用你的应用程序。商业工具比开放源码工具具有更广泛的协议/接口支持。|ordered-list-item|5425913|报告能满足我的需要吗？没有什么比运行测试更让人沮丧的了，然后不得不花费数天的时间试图将结果汇总成某种有意义的形式进行分析，并确定您是否达到了您的需求。再一次，这是一个商业工具击败开源工具的领域。|5425914|我的团队是否具备使用该工具的技术技能？你不想攀爬障碍，也不想同时学习性能测试、分析和另一种语言/工具。现实点。|5425915|它会在我的测试基础架构上运行吗？检查要求。如果注意到一个特定的操作系统和版本，那么使用它或不使用该工具。当有人打电话给/发电子邮件时，发现安装和操作的要求被忽视时，工具支持的事情就更少了。|5425916|数字1-3很关键。如果你错过了这三种工具中的任何一种，你很可能已经购买了最昂贵的商业工具，并聘请了最昂贵的咨询公司为你部署它--你不想因为你的老板告诉你，钉枪对于你被要求建造的房子来说很贵，就不想被抓到用螺丝刀屁股钉钉子(注:钉子枪通常是出租的，就像商业测试工具一样)。|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|O|8|@]|9|@]|A|$]]|$1|E|3|F|5|D|7|P|8|@]|9|@]|A|$]]|$1|G|3|H|5|D|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]]|M|$]]

I am going to put four sets of criteria out there for you to examine tools, and there are lots of them available in the open source and commercial realms to performance test applications.

<ol>
<li>Will it exercise my interfaces on my application? There are lots
of tools out there which are free but interface monolithic and may
not exercise your app fully. Commercial tools have wider
protocol/interface support than do open source ones</li>
<li>Will the reporting match my needs? Nothing is more frustrating
than running a test and then having to spend days trying to pull
together results into some meaningful form for analysis and to
determine whether you have hit your requirements or not. Once
again, this is an area where commercial tools beat the snot out of
the open source ones.</li>
<li>Does my team have the technical skills to use the tool? You don't
want to be climbing the hurdles or both performance testing process,
analysis and then yet another language/tool to learn at the same
time. Be realistic.</li>
<li>Will it run on my testing infrastructure? Check the requirements. 
IF a particular OS and version is noted, then use it or don't use
the tool. Fewer things are more frustrating to tool support when
someone calls/emails in with a a problem only to find that the
requirements for installation and operation have been ignored.</li>
</ol>

Numbers 1-3 are critical. Have a miss on any of these three and you may have well have purchased the most expensive commercial tool and hired the most expensive consulting firm to deploy it for you - You don't want to be caught driving nails with the butt end of a screwdriver simply because your boss told you that the nail gun was tool expensive for the house you were asked to build (Note: Nail guns are often available for rental, just like commercial test tools)

blocks|key|4238895|text|磨床是一个强大的、灵活的、可编写脚本的开源负载测试框架。它是积极发展和有一个相对较浅的学习曲线相比，其他一些选择。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|entityMap|0|LINK|mutability|MUTABLE|url|http://grinder.sourceforge.net/^0|0|2|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@$A|L|B|M|1|N]]|C|$]]]|D|$E|$5|F|G|H|C|$I|J]]]]

<a href="http://grinder.sourceforge.net/" rel="nofollow">The Grinder</a> is a powerful, flexible, and scriptable open source load testing framework. It is actively developed and has a relatively shallow learning curve compared to some of the other options.

blocks|key|5425384|text|这取决于它有多复杂；如果它非常复杂，您可能需要更多的内容，但是对于一个典型的动态网站来说，使用一个脚本生成几个惠特实例，请求网站中的关键页面应该可以工作。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|entityMap|0|LINK|mutability|MUTABLE|url|http://www.gnu.org/software/wget/^0|1J|2|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@$A|L|B|M|1|N]]|C|$]]]|D|$E|$5|F|G|H|C|$I|J]]]]

It depends on how complex it is; if it's very complex you probably need something more involved, but for a typical dynamic website using a script that spawns several <a href="http://www.gnu.org/software/wget/" rel="nofollow">wget</a> instances requesting key pages in your website should work.

What is the most effective way to load to load test your app? The main point is to determine how many users you could support at a single time with the application still running at a reasonable speed.

How do you load test your application?

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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