Events are significant or meaninful changes in the state of the virtual resouces associated to a CloudStack domain. They can be used to track tasks and failure of jobs and/ or processes, based on description, event level, event type and time and date. Events are shown for 15 days by default, but can be deleted manually in the CloudStack panel.
From the left menu in the CloudStack panel, choose Events.
Select the event that you want to delete by clicking the checkbox.
Click the Delete button from the top left menu options in the events overview page.
Confirm the deletion of the selected event(s) by clicking OK.