No matter how you like to participate in developer communities, Pulumi wants to meet you there. If you want to meet other Pulumi users to share use-cases and best practices, contribute code or documentation, see us at an event, or just tell a story about something cool you did with Pulumi, you are part of our community.

Pulumi Community

Was hoping for some guidance here, so I've created an issue on Github <https://github.com/pulumi/pulumi-aws/issues/1474>

So it turns out it wasn't the Lambda cold starting that was a problem, it was the function itself initialising the dynamodb client, which for some reason takes ~5s with 128mb. Increasing the ram reduced this massively.