When viewing a cluster's details, the Log tab displays messages coming from evaluators.
In the navigation pane, select Resources.
In the Compute Resources list, select the cluster.
Evaluator messages are displayed on the Log tab of the cluster's details view. New messages are continuously added to the bottom of the message pane.
In this view you can change the logging level, view messages for a specific time range, pause and resume messaging. For more information see Viewing Evaluator Log Messages.