Performance Engineering and Optimization

  1. Performance Testing Methodologies
    1. Types of Performance Tests
      1. Load Testing
        1. Steady-State Load
          1. Ramp-up and Ramp-down
            1. Normal Load Conditions
            2. Stress Testing
              1. Breaking Point Identification
                1. System Recovery Behavior
                  1. Resource Exhaustion
                  2. Spike Testing
                    1. Sudden Load Increases
                      1. System Elasticity
                        1. Auto-scaling Validation
                        2. Soak Testing
                          1. Long-duration Stability
                            1. Resource Leaks Detection
                              1. Memory Growth Analysis
                              2. Scalability Testing
                                1. Horizontal Scaling
                                  1. Vertical Scaling
                                    1. Scaling Efficiency
                                    2. Volume Testing
                                      1. Large Data Sets
                                        1. Storage System Limits
                                          1. Database Performance
                                          2. Failover and Resilience Testing
                                            1. High Availability Validation
                                              1. Disaster Recovery Scenarios
                                                1. Chaos Engineering
                                              2. Performance Test Planning and Design
                                                1. Defining Test Objectives
                                                  1. Business Requirements Alignment
                                                    1. Technical Goals
                                                      1. Success Criteria
                                                      2. Test Strategy Development
                                                        1. Creating the Test Environment
                                                          1. Environment Parity
                                                            1. Isolation from Production
                                                              1. Infrastructure Provisioning
                                                              2. Test Data Management
                                                                1. Data Generation
                                                                  1. Data Masking and Anonymization
                                                                    1. Data Refresh Strategies
                                                                    2. Scripting User Scenarios
                                                                      1. Realistic User Flows
                                                                        1. Parameterization and Correlation
                                                                          1. Think Time Modeling
                                                                          2. Load Model Design
                                                                            1. User Load Distribution
                                                                              1. Geographic Distribution
                                                                                1. Protocol Mix
                                                                              2. Test Execution and Management
                                                                                1. Test Scheduling
                                                                                  1. Test Automation
                                                                                    1. Monitoring During Tests
                                                                                      1. Test Result Collection
                                                                                        1. Test Environment Management
                                                                                        2. Results Analysis and Reporting
                                                                                          1. Identifying Bottlenecks
                                                                                            1. Resource Bottlenecks
                                                                                              1. Application Bottlenecks
                                                                                                1. Database Bottlenecks
                                                                                                2. Correlation of Metrics
                                                                                                  1. Cross-layer Analysis
                                                                                                    1. Visualization Techniques
                                                                                                      1. Statistical Analysis
                                                                                                      2. Root Cause Analysis
                                                                                                        1. Drill-down Approaches
                                                                                                          1. Hypothesis Testing
                                                                                                            1. Performance Profiling
                                                                                                            2. Creating Performance Reports
                                                                                                              1. Executive Summaries
                                                                                                                1. Technical Details
                                                                                                                  1. Recommendations
                                                                                                                    1. Trend Analysis

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                                                                                                                4. Performance Modeling and Forecasting

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                                                                                                                6. System Monitoring and Observability