14.3. Tuning the Disk Subsystem, Database, and SAP Application Layers

At the end of the day, a well-tuned application running on a properly configured database can mask a multitude of hardware and OS shortcomings. But the opposite is true as well—oversizing a system is a common way of addressing unknown capacity-planning issues or dealing with unclear peak demands. Oversizing is by no means cheap, either, as the term implies. I therefore submit that tuning is best accomplished by working consistently up the SAP Technology Stack, from infrastructure to hardware, OS, database, and then application and integration layers. I typically use major and minor test iterations to stay both focused and on track. In other words, once I get the infrastructure ...

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