Cloudwatch measures the time it takes to run each lambda function. Because billing is affected by the function duration, this is an important metric to monitor. Blue Matador provides anomaly detection on this metric so you can know when your function duration changes.
Blue Matador watches your function duration to make sure it doesn't get too close to the timeout you've configured. This warning is especially important as it will help you to keep your function from timing out and being terminated. If you are approaching the configured timeout, troubleshoot it in the following manner: