Iis application warmup module download


















Do you know when the Application Warm-Up Module is going to be released. Currently it's still in Beta. Home About Sign In. Typical example of initialization activities are: Initialization of data structures Loading data from a datastore into memory caching Compilation of code, e.

NET applications Establishing database connections For big applications the initialization phase might take considerable time and IT administrators might not want their customers to pay the price for the initialization.

Comments have been disabled for this content. However the Application Initialization feature supports a few server variables that can be used to control request processing while an application initializes.

This enables you to create declarative rules using the Url Rewrite Module containing more complex mappings to pre-generated static content. In this walkthrough, you replace the remapManagedRequestsTo attribute with a set of Url Rewrite rules that accomplish the same end result.

Using the instance of Notepad that has applicationHost. The global settings are removed in this step since the remainder of this walkthrough focuses on the configured Application Initialization behavior. The applicationHost. Also, to ensure the changes take effect in IIS, from an elevated command prompt window, recycle the World Wide Web Service with the command shown below:.

Using the instance of Notepad that has the application-level web. Next, add a rewrite rule that explicitly maps requests made to "default. Two rules are needed because the Url Rewrite Module doesn't "know" about how default documents work.

The new rules are shown in bold below. Alternatively you can uncomment the pre-populated Url Rewrite rules under the "Exercise 2 - Step 2 Mapping Requests to the Home Page" comment in the web. This is necessary to add a catch-all Url Rewrite rule later, and for requests to default. This condition effectively says "only apply rule when the application is in an initializing state". Lastly, note that the action has been defined to rewrite the active request to instead run "Startup. This rule has the effect of telling IIS to pass the request on to the static file handler which then renders the static page Startup.

Next, you add a catch-all rewrite rule. When using the Url Rewrite Module in conjunction with application initialization, a catch-all rule that fires if none of the previous rules match is needed. Add the bolded rule shown below to the rewrite section as the catch-all rule.

Alternatively you can uncomment the pre-populated catch-all rule in web. The new rule matches against any Url that reaches it and tells IIS to continue processing the request that was made to the inbound Url. This setting tells IIS that it should treat the rewritten request from Url Rewrite the same way as if the request had normally arrived off the wire. Even though Url Rewrite rules are now used to define the splash page logic, you still see the same behavior from the first walkthrough.

The Startup. If you refresh the browser periodically, about eight seconds later you again see the page background switch to white, indicating that the "real" default.

The previous walkthroughs use application initialization as a straight-forward mapping of Url "X" to Url "Y". In this walkthrough, you are going to implement a more complex application initialization scenario. These Urls are examples of dynamically generated static content.

For this sample application, the code inside of ImageHandler. Since the image handler is just returning images, you want to be able to continue to return an appropriate image even during application initialization. Although the mechanics of serving these images uses managed code, you may want to quickly serve up pre-generated images to customers even if the underlying ASP.

NET application is taking a long time to startup and initialize itself. Using the instance of Notepad that has application-level web.

The new snippet to add is shown below. Alternatively you can uncomment the pre-populated image handler rule in web. Just as with the rewrite rules for default. For requests to "ImageHandler.

The url attribute on the action element tells the Url Rewrite module to rewrite ImageHandler. Furthermore the query-string value that was captured by the regular expression is used to help form the name of the file that will ultimately be served from the Images subdirectory. For example, a request to ImageHandler.

These static images act as pre-generated content that can be served while the application initializes.

NET applications and dependencies have already been performed by the time the request arrives to the server. The response times for the first requests in an Overlapped Recycling scenario are reduced by also pre-loading dependencies. The recycled worker process will only communicate its readiness and will start accepting requests after it finishes loading and initializing the resources as specified by the configuration.

We are excited to announce that the IIS. Improved customer experience while the Application is warming up IIS Application Initialization empowers developers to manage the experience that users see when they request an application that is not initialized.



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