System Performance Tuning Paperback – 15 Feb 2002
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The second edition of System Performance Tuning offers advice on where to look for bottlenecks in applications--both local and networked--that run under Unix. It also offers advice on provisioning new systems, which is to say it offers advice on deciding how much computing power is enough for a new system to be implemented.
The easy way to solve a performance problem--and the one to which hardware manufacturers love to call attention--is to apply more horsepower to the application in question. It's safe to bet that a server upgrade will speed things up. True information technology professionals, however, won't take the easy way out when dealing with an increased workload for older systems. They'll do their best to wring top performance (with required reliability) from existing hardware, thus improving their organisations' return on capital investment and demonstrating their own engineering skills.
Emphasising Solaris 8 and, to a lesser extent, Linux, the new version of this book represents a significant revision (the first came out in 1990, and was obsolete). There's coverage of advances in hardware--multiple processors, RAID storage, faster and cheaper memory and networked devices--as well as consideration of changes in the demands placed on machines (after all, few people were concerned about Web server performance in 1990). Administrators will get plenty of value from the authors' discussion of what goes on during, for example, a series of large store-to-disk operations, and be better able to optimise their systems. --David Wall
Topics covered: how to get top performance from computer systems (those running Linux and especially Sun Solaris 8) without adding processor capacity, memory and other resources at potentially great expense. The authors explain the ways in which operating systems and applications use processors, memory, persistent storage and networks, and point out potential bottlenecks. They also show how to use tools--such as execution timers--that you can use to benchmark performance changes.
"A first-class resource....an invaluable and highly recommended tutorial and continuing reference work." -- James Cox, The Bookwatch, May 2002See all Product Description
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Top Customer Reviews
edition is massively improved. It Covers both Solaris and Linux.
It will give an administrator (or a wannabe administrator) good
knowledge of Hardware and Software,RAID,SCSI, memory performance monitoring.
Want to know about SAR?
When you time an application do you want to know what the user-state CPU time and systemstate CPU time means?
Many of the pertinent questions and answers to System Performance Tuning are in this book. The chapters are:
• Introduction to System Performance
• Monitoring System Activity
• Managing the Workload
• Memory Performance
• Disk Performance Issues
• Network Performance
• Terminal Performance
• Kernel Configuration
• Appendix A Real-time Processes
• Appendix B A Performance Tuning Strategy
This book has helped point to the pertinent manuals on several flavors of UNIX.
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