Continuous tracking and analysis of application performance metrics to identify bottlenecks, errors, and optimization opportunities.
Application Performance Monitoring shows that your checkout page takes 5 seconds to load and pinpoints the slow database query causing the delay.
All provide APM capabilities such as distributed tracing, latency/error monitoring, dependency maps, and alerting. Azure Application Insights is a dedicated APM experience within Azure Monitor. AWS CloudWatch Application Signals focuses on application/service health signals and integrates with CloudWatch metrics/logs and AWS X-Ray for tracing. GCP’s APM experience is delivered through Cloud Observability products (Trace/Profiler/Monitoring/Logging) rather than a single standalone APM product. OCI APM is a dedicated service for tracing, real user monitoring, and synthetic monitoring.