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Citrix XenApp Performance Essentials by Luca Dentella

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Load evaluators

You learned that during the resolution process, the data collector chooses the least loaded server to launch the requested application. How can it determine the load level for each server?

XenApp calculates the load on a server using load evaluators. Each server must have one and only one load evaluator assigned to it. You can also attach a load evaluator to a single application.

Note

If you assign a load evaluator to both a server and an application on it, XenApp will choose the evaluator that reports the highest load.

Each load evaluator contains one or more rules. A rule defines an operational range for the server or the published application. When any rule reports full load or exceeds its threshold, XenApp considers the server ...

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