12.8. Event Listener

• Query creation
• Split completion (success or failure)

This functionality enables development of custom logging, debugging and performance analysis plugins. In a Presto cluster, only a single event listener plugin can be active at a time .

The implementation of EventListener and must be wrapped as a plugin and installed on the Presto cluster.

Configuration

The event-listener.name property is used by Presto to find a registered EventListenerFactory based on the name returned by EventListenerFactory.getName(). The remaining properties are passed as a map to EventListenerFactory.create().