Built on best practices from operating thousands of applications at Amazon, Amazon CloudWatch Application Signals (Preview) is a new capability that makes it easy to automatically instrument and operate applications on AWS. You can track application performance against your most important business objectives without the undifferentiated heavy lifting of manual instrumentation, metrics computations, and correlating observed problem to root cause. CloudWatch Application Signals provides standardized metrics such as volume, latency, and errors for each of your applications with pre built dashboards. In as few as three clicks, you can spot anomalies, drill into the most important metrics, and identify the root cause of issues with correlated metrics logs and traces.
Source:: Amazon AWS