Application Performance Monitoring (APM) via Datadog tracks code execution: which endpoints are slow, which are erroring, which are consuming resources. Engineers instrument code with Datadog, get distributed traces (request flow across services), and real-time dashboards. Senior practitioners earn 15-20% premium because they ship systems that are observable, debuggable, and performant. Learning: 5-7 weeks (involves instrumentation + dashboard design + SLOs).
Application Performance Monitoring (APM) via Datadog is the continuous tracking of how applications behave: which endpoints are slow, which are erroring, which are consuming CPU/memory. Engineers instrument code with Datadog agents, which send performance data to Datadog. Dashboards show real-time performance metrics and distributed traces (request flow across services). Example: User makes API request → Request traces through 5 microservices → Datadog shows waterfall (which service was slow?) and logs from each service.
| 地区 | 初级 | 中级 | 高级 |
|---|---|---|---|
| USA | $80k | $140k | $215k |
| UK | $50k | $85k | $130k |
| EU | $55k | $90k | $138k |
| CANADA | $75k | $135k | $205k |
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