Performance Modelling (OCR A-Level Computer Science): Flashcards
📚Flashcards
Practise the cards
12 cards from this deck
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Practise the cards
12 cards from this deck
Performance modelling definition
Performance modelling definition
Predicting & analysing how a software system performs under various conditions
Latency metric
Latency metric
Time to process a single request or operation
Throughput metric
Throughput metric
Number of requests/operations handled per unit time
Resource utilisation - examples
Resource utilisation - examples
CPU, memory, disk, network usage
Scalability metric
Scalability metric
How performance changes as workload increases
Analytical modelling method
Analytical modelling method
Uses mathematical formulas & algorithms to predict system performance
Simulation in performance modelling
Simulation in performance modelling
Creates virtual model to simulate system behaviour under different conditions
Benchmarking method
Benchmarking method
Measures performance under controlled conditions
Load testing tools purpose
Load testing tools purpose
Generate workloads to test system under stress
JMeter tool use
JMeter tool use
Testing web applications
Early detection benefit
Early detection benefit
Identifies performance problems before deployment
Workload simulation challenge
Workload simulation challenge
Creating realistic workloads reflecting actual usage patterns
