This section describes the preconfigured tc Server Runtime-related alerts, including any required instructions for enabling a specific alert. Change a tc Server Plug-in Metric Collection IntervalThe Deadlock Detection and Excessive Time in Garbage Collection alerts, which are associated with the tc Runtime instance, use metrics in their condition to determine whether an alert should be triggered. tc Server Deadlock DetectionThe tc Runtime automatically detects whether a thread deadlock occurs in a tc Runtime instance or an application deployed to the instance. Excessive Time in Garbage Collection Enable a tc Server Slow or Failed Request AlertClients might encounter slow or failed requests when connecting to, or using, a Web application that is deployed on a tc Runtime instance. Enable JDBC Connection MonitoringThere are four vRealize Hyperic alerts that relate to JDBC connection monitoring. You can enable log tracking of the alerts to monitor JDBC connections to a database and the status of JDBC queries.