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This chapter is from the book

This chapter is from the book

Fixing a Performance Problem

Fixing a performance problem usually involves several changes that can be a combination of hardware changes, software tuning, and kernel tweaking. You might find that some of the solutions you implement actually reduce performance or maybe improve performance in one area at the expense of another subsystem.

Performance tuning consists of many small cumulative steps. This is not an area to use the "shotgun" approach to fixing a problem. Rarely does a single change make a huge difference in performance anyway. Therefore, implement your solutions systematically and one at a time. Discuss your performance issues with your hardware and software suppliers. Many times, they have seen the issue and can recommend a solution. More importantly, be proactive in monitoring your system and capture a bottleneck before it becomes a noticeable performance issue for the users.

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