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Stress tools to test your Web server

Article ID: 231282 - View products that this article applies to.

This article was previously published under Q231282

We strongly recommend that all users upgrade to Microsoft Internet Information Services (IIS) version 7.0 running on Microsoft Windows Server 2008. IIS 7.0 significantly increases Web infrastructure security. For more information about IIS security-related topics, visit the following Microsoft Web site:

http://www.microsoft.com/technet/security/prodtech/IIS.mspx

(http://www.microsoft.com/technet/security/prodtech/IIS.mspx)

For more information about IIS 7.0, visit the following Microsoft Web site:

http://www.iis.net/default.aspx?tabid=1

(http://www.iis.net/default.aspx?tabid=1)

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SUMMARY

This article provides a list of tools you can use to simulate load for your Web applications. By simulating load for your application, you can test concurrency issues as well as better understand how your application behaves under stress. Testing load and concurrency by refreshing a browser is not considered a valid test.

MORE INFORMATION

The following Web stress tools are available from Microsoft:

Web Capacity Analysis Tool

The IIS 6.0 Resource Kit Tools include WCAT 5.2. To download the IIS 6.0 Resource Kit Tools, visit the following Microsoft Web site:
http://www.microsoft.com/downloads/details.aspx?FamilyID=56fc92ee-a71a-4c73-b628-ade629c89499&DisplayLang=en
(http://www.microsoft.com/downloads/details.aspx?FamilyID=56fc92ee-a71a-4c73-b628-ade629c89499&DisplayLang=en)
The IIS 7.0 Web Capacity Analysis tool can be downloaded from the following Microsoft Web site:
http://www.iis.net/downloads/default.aspx?tabid=34&i=1466&g=6
(http://www.iis.net/downloads/default.aspx?tabid=34&i=1466&g=6)

Visual Studio Team System 2008 Test Edition

For more information, visit the following Microsoft Web site:
http://msdn.microsoft.com/en-us/teamsystem/dd408381.aspx
(http://msdn.microsoft.com/en-us/teamsystem/dd408381.aspx)

With these tools you can stress test your Web server to see how it reacts when several hundred users access your application at peak times. These tools can also be used to test the server-side components for performance, locks, and other scalability issues. A Web application that relies on databases can also be tested on parameters such as concurrency, transactions, number of users, locks, pooling, and so forth.