Some of the most common actions DBAs often resort to are:
- Tuning queries to minimize the amount of data returned.
- Adding extra spindles or flash for performance
- Increased RAM
- Index maintenance to improve read and/or write performance.
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Most performance degradation is a software problem that can be solved by software
None of these actions will prevent hardware bottlenecks that occur due to the FACT that 30-40% of performance is being robbed by small, fractured, random I/O being generated due to the Windows operating system (that is, any Windows operating system, including Windows 11, Windows 10, or Windows Server 2019).