Book excerpt: Maximize the performance and value of any HP-UX 11i system HP-UX 11i Tuning and Performance takes the guesswork out of maximizing HP-UX 11i performance so you can quickly maximize the value of any HP-UX system in any environment. Leading HP experts introduce a comprehensive, systematic performance management methodology that addresses every stage in the lifecycle of an HP-UX system. You ll find specific metrics, symptoms and solutions for every key element of an HP-UX 11i system, including hardware, the OS platform, and application development. From start to finish, the emphasis is on practical results and on understanding the real-world cost/benefit tradeoffs that are central to every tuning project. Coverage includes: A comprehensive optimization methodology, direct from HP s performance labs New optimization opportunities and techniques made possible by HP-UX 11i All-new chapters on network performance and Java performance Rules of thumb for more cost-effective performance management Instrumenting HP-UX 11i systems to accurately reflect reality Choosing the right performance metrics, and using them correctly Key performance tradeoffs in both uniprocessor and SMP environments Practical techniques for resolving CPU, memory, and disk bottlenecks How to make the most of HP-UX specific and generic UNIX performance tools Performance enhancements available through compiler optimization and application profiling Extensive examples from actual HP performance consulting assignments Whether you re an HP-UX 11i sysadmin, netadmin, developer, capacity planner, or performance specialist, this is your complete guide to getting all the performance you paid for! "