Performance metrics
Performance measurements come in two flavors:
| Activity metrics |
Activity metrics reflect the system's reaction to workload and can be used to measure business requirement fulfillment and customer satisfaction. Examples of such metrics include:
Number of Web site hits
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Page response times
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Number of orders placed
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Volume of data transferred
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| Resource metrics |
Resource metrics reflect system capacity and are important for predicting system behavior under stress or after long-term operation. Examples of such metrics include:
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CPU usage
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RAM usage
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JVM heap usage
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Hard disk usage
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