Let’s see how we can use Lumigo to troubleshoot timeouts for synchronous Lambda functions such as those handling API requests.
requestUnicornfunction, it will take you to the function details page for the function and show you the invocations that timed out.
2020-10-20T11:40:37.402Z 3ea3b770-2986-4926-a0b3-2c6a045bfa20 INFO Finding unicorn for 42.34963749150315 , -71.05718295574066
and then 6 seconds later, the invocation timed out.
Timelinetab and you will see that the request to
4fsay0n12a.execute-api.us-east-1.amazonaws.comnever completed, hence the
N/A. So this was the cause for the invocation timing out.