Performance Testing with JMeter - Second Edition

Performance testing and tuning

There is a strong relationship between performance testing and tuning, in the sense that one often leads to the other. Often, end-to-end testing unveils system or application bottlenecks that are regarded unacceptable with project target goals. Once those bottlenecks are discovered, the next steps for most teams are a series of tuning efforts to make the application perform adequately.

Such efforts are normally included but are not limited to:

• Configuring changes in system resources
• Optimizing database queries
• Reducing round trips in application calls; sometimes leading to redesigning and re-architecting problematic modules
• Scaling out application and database server capacity
• Reducing application resource footprint
• Optimizing ...