Raise Web server performance in Windows Server 2003

There are many options available to administrators to improve the performance of the Web server installed on Windows Server 2003. But each of these options has its own set of tradeoffs.

One option that can considerably affect the Web server performance is to enable CPU monitoring. By doing this, an administrator can monitor and automatically shut down worker processes that consume large amounts of CPU time.

To enable CPU monitoring:

  1. Open Internet Information Services (IIS) Manager by clicking on Start -> Programs -> Administrative Tools -> IIS Manager.
  2. Select local computer and expand the Application Pools folder.
  3. Right-click the application pool that you want to enable CPU accounting on and select Properties.
  4. Go to Performance tab and select the check box to Enable CPU monitoring.
  5. In the Maximum CPU use box, click the up and down arrows to set the maximum percentage of the CPU that you want the application pool to use.
  6. If the application pool uses more than the designated maximum, IIS generates an error message in the Windows Events log.
  7. In the Refresh CPU usage numbers box, click the up and down arrows to set the refresh rate.
  8. In the Action performed when CPU usage exceeds maximum

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  1. CPU use box, click the appropriate action for the designated application pool: >li>Click No Action to have IIS generate an error in the Windows Events Log when the designated application pool reaches the maximum CPU usage.
  2. Click Shutdown to shut down the application pool. Click Shutdown to stop the problematic application by terminating its host worker process.
  3. Click Apply, and then click OK.

After this setting the Web server will give much better performance than before.

About the author: Rahul Shah works at a software firm in India, where he is a systems administrator maintaining Windows servers. He has also worked for various software firms in testing and analytics, and also has experiences deploying client/server applications in different Windows configurations.

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This was first published in December 2006

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