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Caching and Profiling Extensions
The Profiling Extensions and Caching
Caching issues can be resolved as follows:
- It is a good practice to always clear the client cache before starting a new profiling session. If a page does not appear to be profiling as expected (right click “view source” to see if you are getting the modified page), clear the client cache and then request the page again. For more information on how Internet Explorer, for examples, caches files on the client, see KB 263070
– There is normally no good way to clear pages from these servers other than pressing the “refresh” button on the browser, which should clear any intermediate server results. In most test environments this should not be an issue, as you will be going directly to the server.
– Disabling or clearing the server-side caches is handled by the Server Extensions. You can also manually clear the server page caches on the server by shutting down and restarting the web server, the site, or the application pools affected. However, because these actions require elevated permissions (admin rights), the AJAX Profiling Server Extensions relies on programmatic methods that do not require Administrator privileges. The approach used by the Profiling Extensions is to either clear the caches, or disable caches that could be modified by the Extensions.
• IIS user-cache. The IIS user-cache is disabled by policy when you install the extensions on a website.
You may also wish to reset the caches manually when a new profiling session is started to ensure proper behavior. To reset the caches manually, do the following:
1. Restart the IIS web server (or issuing an iisreset from the command line), and
2. Clear the browser cache.
Apr 29 2009 at 8:46 PM
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Tue Apr 28 2009 at 7:00 AM
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