A method includes determining whether an application instance has properly used computing resources to process a workload request. The determination is based on one or more characteristics of the workload request to be processed. The method can include determining whether the application instance is operating properly, based on the determining of whether the application instance has properly used computing resources. Based on the determination that the application instance is not operating properly, the method initiates an action to prevent the application instance from improperly processing workload requests.