LoadRunner use: in-depth understanding of Resource and Non-Recource

Resource in LoadRunner indicates whether the URL is a resource, "Resource=0" is a non-resource, and the URL will always be downloaded during replay; "Resource=1" is a resource, only if the "Download non-HTML resources" option is selected It will be downloaded only in the case.
　　RecContentType represents the type of the resource. It contains the primary and secondary type values of the resource. The primary type values most frequently appear are text, application, and image, and secondary changes with the resource , Such as: "RecContentType=text/html". When the Resource parameter is set, the RecContentType parameter will be ignored.
　　 The two parameters mentioned above, let's take a look at the settings related to them in LoadRunner.
　　（1） Specifying Non-Resource Content Types
　　 The configuration is set in Recording Options -> Advanced -> Non Resource. The default setting is shown in Figure 1:

　　 uses the default settings, only the two types of URLs configured in Figure 1 will be marked as Non-Resource.
　　（2）Non-critical item errors as warnings
　　 The configuration is set in Runtime setting -> Preferences, and the default is enabled. For Resource URL, warning will be reported in the log when an error occurs, instead of error, and for Non-Resource URL, error will be reported.
　　（3）Download non-HTML resources
　　 The configuration is set in Runtime setting-> Browser Emulation, and the default is enabled, which means the URL for downloading Non-Resource during playback.
　　 In the performance test, we generally use the settings (1) and (2) by default, but in order to avoid unnecessary performance consumption and long-term testing, LoadRunner hard disk space is insufficient Generally speaking, it is the disable option "Download non-HTML resources".
　　 Therefore, when we need some Non-Resource URLs to be downloaded, we can manually modify the attribute Resource value. For example, in a test, you need to use a URL encapsulated by a servlet to delete the data information inserted in the last operation. The operation is recorded into a script as follows:

      web_url(”xxxService.do”,
                  "URL=omitted",
                   “Resource=1″,
                   “Referer=”,
                   “Snapshot=t110.inf”,
                   LAST);

supplement:

If you set "Resource=1", the resource is not downloaded from the server, LR will only report the warn information, and the corresponding transaction status is pass; if you set "Resource=0", the resource is not downloaded from the server, LR will report error information, The corresponding transaction status is fail.

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