8.1. Hacks 6977: IntroductionYou'd be amazed at how often "optimizing performance" really translates into "troubleshooting." If something is misconfigured or otherwise broken, it's likely that your first inkling that something is wrong is a result of poor performance, either of the service in question or the host on which it's running. Performance is a relative term. It's important to know what a system looks like when it's running under no load in order to be able to measure the impact of adding incrementally more users and services. In this chapter, we'll give you the tools and techniques to troubleshoot your way to better performance, to optimize resources the system reserves for its slated tasks, and to deal with resource hogs on your systems and networks. |