March 2007
Intermediate to advanced
488 pages
13h 46m
English
book
OnDemand SQL Performance Analysis Simplified on DB2 for i5/OS in V5R4
by Hernando Bedoya, Jaime Gaug, James Kerl, Ser Ser NG, Jose Cardoso dos Santos
Content preview from OnDemand SQL Performance Analysis Simplified on DB2 for i5/OS in V5R4
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364 OnDemand SQL Performance Analysis Simplified on DB2 for i5/OS in V5R4
10.1 Performance methodology
First, let us take a step back and review the entire performance methodology process. In
reality, performance problem diagnosis (performance troubleshooting) is a small part of a
larger methodology which is meant to keep the problem from occurring. Prevention is the best
medicine. An overall performance methodology is made up of five separate parts:
Planning for performance and scalability: Document the projected system topology,
database design, the projected workload, and define measurable performance and
scalability objectives. Perform initial capacity planning and sizing estimates.
Making solution design choices and performance trade-offs: ...
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