HP-UX 11i Tuning and Performance (2nd Edition) by Robert F. Sauers [Repost]

Maximizing the performance of Unix systems is a challenge that requires a specialized understanding of operating system behavior and an intimate acquaintance with system tools that assist in tuning. This book helps sysadmins, net admins, developers, and capacity planners maximize the performance of HP-UX systems, resolve bottlenecks, and design applications for maximum performance.