Sfeldman performance bb_worldemea07

Principles of Performance Engineering Steve Feldman, Director Performance Engineering and Architecture [email_address]

Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object]

Questions of the Mind… ,[object Object],[object Object],[object Object],[object Object]

What is Performance? ,[object Object],[object Object],[object Object],[object Object]

What is Scalability? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is Performance Engineering? ,[object Object],[object Object],[object Object]

Why does Blackboard invest in Performance Engineering? ,[object Object],[object Object],[object Object]

PerfEng at Bb… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Performance: Response Times (Apdex) ,[object Object],[object Object],[object Object],[object Object]

State/Action Modeling ,[object Object],[object Object],[object Object],[object Object]

State/Action Modeling ,[object Object],[object Object]

What is Apdex(Application Performance Index)? ,[object Object],[object Object],[object Object]

Apdex and User Abandonment ,[object Object],[object Object],[object Object],[object Object],[object Object]

Apdex and Workload Variations ,[object Object],[object Object],[object Object],[object Object]

Scalability: High Session Activity with Low Abandonment (PAR) ,[object Object],[object Object],[object Object],[object Object]

Scalability: High Session Activity with Low Abandonment (PAR) X-Axis: Iterations Y-Axis: Resource Utilization Resource Utilization Threshold Line Optimal Workload CPU

PAR Process: Step 1 Calibration ,[object Object],[object Object],[object Object],[object Object]

PAR Process: Step 2 App. Saturation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

PAR Process: Step 3 DB Saturation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

PAR Process: Additional Steps ,[object Object],[object Object],[object Object],[object Object],[object Object]

User Experience: High Performance and Heavy Integration (Reference Architecture) ,[object Object]

Investment and Relationships ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Part 3: Process and Methodology

SPE Overview… Assess Performance Risk ,[object Object],[object Object],[object Object],Identify Critical Use Cases ,[object Object],[object Object],Select Key Performance Scenarios ,[object Object],[object Object],[object Object],Establish Performance Objectives ,[object Object],[object Object],Construct Performance Models ,[object Object],[object Object],Software Execution Model ,[object Object],[object Object],[object Object],System Execution Model ,[object Object],[object Object],[object Object]

Method-R: Requirements of a Good Methodology (Milsap, Carey) ,[object Object],[object Object],[object Object]

Method-R: Requirements of a Good Methodology (Milsap, Carey) ,[object Object],[object Object]

Method-R: Response Time Performance Improvement ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What projects are coming out of the PerfEng Lab in ‘07 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is the BPSC? ,[object Object],[object Object],[object Object]

Special Projects ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Links/References ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sfeldman performance bb_worldemea07

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