Notes on RRDTOOL implementation of Aberrant Behavior Detection Jake Brutlag (jakeb@corp.webtv.net) Draft 3: August 23, 2000 Microsoft WebTV 1065 La Avenida Mountain View, CA 94043 Background and Motivation Summary of Aberrant Behavior Detection Algorithm Architecture New RRAs Usage Creating a RRD file Detecting Aberrant Behavior Other Notes Processing updates Bulk Updates Cold-start Issues Periodi