Thundra

Thundra: Serverless Observability for AWS Lambda

The black box nature of AWS Lambda and other serverless environments means that identifying and fixing performance issues is difficult and time-consuming. Built for straightforward debugging, monitoring, and observability, Thundra provides deep insight into your entire serverless environment. Thundra collects and correlates all your metrics, logs, and traces, allowing you to quickly identify problematic invocations and also analyzes external services associated with that function. With Thundra’s zero overhead and automated instrumentation capabilities, your developers are free to write code without worrying about bulking up their Lambdas or wasting time on chasing black box problems.

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Troubleshooting

I am getting errors say that “An error occurred: ...LogGroup - /aws/lambda/... already exists”, why and how can I fix?

You should skip log group creation for the mentioned function or for all functions. By default this plugin creates log groups of monitored functions to subscribe them. But if the log group was already created without this plugin (by invocation or manually), log group creation should be skipped. See https://docs.thundra.io/docs/serverless-plugin for more details.