Benchmarking the I/O Subsystem
The I/O subsystem is one of the most important components of your system, and one that can cause significant performance problems if it is not configured and sized properly. Any I/O subsystem is made up of finite components that have finite performance characteristics. Unfortunately, the DBA is not usually the person responsible for the I/O subsystem and must sometimes must prove that this component is a problem before any changes can be made. In this section you will learn how to gather that evidence.
Real World: "The I/O Subsystem Can’t Be a Problem. It’s a SAN."
I have heard the statement that the I/O subsystem can’t ...
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