Specifies the "roleover" type (should have been rollOverType) to be used. The following "roleover" types are supported:

• Minute
• Hour
• Day
• Week
• Month
• Year
• KiloByte
• MegaByte
• GigaByte

Together with the thresHold attribute, the roleOverType determines when a new log file must be created (and the old one should be archived). This mechanism ensures the logfile from becoming too large.

Only applicable for the XmlFileTraceListener.