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  Tutorial: Using a Request Filter to Limit the Load on Web Applications

Using a Request Filter to Limit the Load on Web Applications In this article, we present the design of a filter that synchronizes client requests and restricts the load each user can put on your applications. The source is available as RequestControlFi

Tutorial Details:

Restricting Requests

To control the load and prevent unnecessary processing, we want to restrict the server so that it only processes one request at a time per session. This limits the load any individual user can put on the server, regardless of how aggressively they click through the application. We do this with a prioritized request queue. Impatient users will make multiple additional requests while waiting for a first one to finish, so we need intelligence in the queue to handle the user\'s requests without doing unnecessary work on the server. This is how the queue works:

* The queue holds a maximum of one request at a time.
* A new request always replaces an old request in the queue, except for the request that is currently being processed by the application.


 

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Using a Request Filter to Limit the Load on Web Applications

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