HP-UX Tuning and Performance: Concepts, Tools, and Methods (Hewlett-Packard Professional Books)

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9780131027169: HP-UX Tuning and Performance: Concepts, Tools, and Methods (Hewlett-Packard Professional Books)

Introduces a comprehensive, systematic performance management methodology that addresses every stage in the lifecycle of an HP-UX system. Presents specific metrics, symptoms, and solutions for each key element of an HP-UX system, including hardware, the OS platform, and application development. Softcover. DLC: Hewlett-Packard computers--Programming.

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Review:

Computer consultants shouldn't be "parts-replacers" any more than auto mechanics--there's no point in aimlessly trying a solution before you're reasonably sure you've found one that's going to solve the problem. The authors of HP-UX Tuning and Performance: Concepts, Tools, and Methods know this. It's just one of many righteous nuggets of knowledge Hewlett-Packard employees Robert F. Sauers and Peter S. Weygant convey to their readers as they describe good administration practices for HP's Unix variant. The HP-UX operating system serves as the showcase for their knowledge, but much of what's in this book applies to other environments as well.

The first task of the troubleshooter is to figure out what the problem is, which involves both looking at the machine (through a variety of measurement and monitoring software) and talking to the users (using interviews to figure out what's wrong and what changes are needed). The authors document lots of diagnostics tools, including GlancePlus, PerfView, and a variety of network tools and interview strategies. They explain how various HP-UX conditions manifest themselves in terms of symptoms, and provide explicit instructions for solving problems. They also dig into the principles of good HP-UX software design, promoting the idea that the programmer and administrator are on the same team (and indeed are frequently the same person). --David Wall

Topics covered: Most aspects of getting HP-UX systems to run as efficiently as possible, including performance measurement and assessment, bottleneck identification, CPU load monitors, disk usage monitors, memory analyzers, application design, and kernel tuning.

From the Inside Flap:

Preface 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 brings you some of this complex knowledge in chapters that provide general background, hardware and software performance concepts, reference material on performance tools, and detailed practical suggestions for application development and tuning. Part 1 offers a performance management methodology as a way of introducing the world of performance management. Part 2 presents an array of performance monitoring tools, some of them specific to HP-UX, and some of them available on other Unix operating systems as well. Part 3 describes bottleneck analysis, and relates operating system concepts to tuning strategies that use the tools presented in Part 2. Finally, Part 4 sketches the complex topic of application tuning. Tuning the operating system is often not enough; designing for performance is equally important. Hewlett-Packard's HP 9000 computer systems (both Series 700 workstation and Series 800 servers) use the HP-UX operating system. This is a version of Unix that is based on both System V Unix and BSD (Berkeley) Unix. The authors are most familiar with HP-UX, and therefore, the specific operating system architecture and tuning suggestions presented in this book apply directly to HP-UX. However, HP-UX conforms to the IEEE Portable Operating System Standard (Posix) P1003.1 and P1003.2. It also conforms to the System V Interface Definition (SVID) Release 3 (based on System V Release 4) and the X/Open Portability Guide. Because of this conformance to both de jure and de facto standards by the HP-UX operating system, the concepts presented in this book may be applied to other versions of the Unix operating system, although the specifics may differ.

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