A first entry is received at an event log interface. The event log interface is configured to store received entries in an event log. It is determined that there is not enough storage space to store the first entry in the event log. A second entry is identified. The second entry is the oldest entry in the event log based on when the second entry was written to the event log. It is determined that the second entry contains an indicator to preserve. A copy of the second entry is sent to the event log interface to be written to the event log. One or more entries are deleted from the event log. The one or more entries includes the second entry. The first entry is written to the event log. The copy of the second entry is written to the event log.