Sun Performance and Tuning: Java™ and the Internet, Second Edition

Look Out, There’s a Guru About

Sys Admin: “What’s wrong with this system? Can you tune it please? Here’s the root password.”

Performance Guru: “I’ve tuned a few kernel variables, but it looks pretty idle to me right now.”

Sys Admin: “Yes, but it gets really, really busy some of the time.....”

Performance Guru: “You should start collecting some data. Call me again when you have some logs of when it was busy.”

Have you ever found that your most troublesome system is idle, or behaves perfectly, when you call in the consultants and performance gurus? Then, when you collect data that shows the problem, the guru wants some extra data that you didn’t bother to collect!

The SE toolkit provides a way to capture and distribute the expertise of a performance ...