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AWS Certified Developer – Associate DVA-C02 · Domain 4: Troubleshooting and Optimization

Custom metrics: PutMetricData, CloudWatch embedded metric format, high-resolution metrics

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Last reviewed September 25, 2026 · Leer en español

AWS services publish many metrics automatically, but not your business events: orders placed, payments declined, items in a cart, time spent calling a partner API. Custom metrics let you publish those numbers to Amazon CloudWatch so you can graph them, put them on dashboards and alarm on them just like built-in metrics.

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