HP-UX Stress Testing - The Workshop On Performance and Reliability

Challenges• Aren’t you done testing yet?− Testers & some managers feared that spider charts would be usedto predict ship date.• Engineering team found problems that made theirnumbers look bad:− Unstable pre-release versions of data gathering tools.− Defects in key subsystems prevented engineers from fully scalingthe test load.• Needed to take care in setting target values especially onnew hardware.− High end systems could never reach targets for swap spaceutilization based on midrange systems.− A kernel limitation on high end systems together with increasedthroughput on those machines prevented reaching Active Processtargets.• A “One Size Fits All” spider graph does not reflect testobjectives.March 2004 Copyright © 2004 HP corporate presentation. All rights reserved. 25