Multiple choice

What should be the first step in the tuning process?

  1. Tune the OS

  2. Tune database I/O

  3. First monitor performance

  4. Tune the design
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C Correct answer
Explanation

Performance tuning always starts with monitoring to identify bottlenecks. Without measurement, tuning efforts are wasted on areas that aren't limiting performance. The proper sequence is: monitor first, then tune the design if needed, then database I/O patterns, and finally OS-level parameters as a last resort.

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