One of the trickiest metrics for any IBM i partition is performance of web workloads. Luckily, there's an app for that.
Written by Steve Pitcher
Over the last few years, IBM has been pumping more and more features into IBM Navigator for i, the strategic systems management utility for IBM i. Performance analysis is one area that has been given extensive focus with Performance Data Investigator. You might launch a web service but not know how to analyze performance, let alone know where to tune it. Hidden away in the IBM Web Administration utility since V5R3 is a great little tool called Web Performance Advisor.