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by tsimionescu
2687 days ago
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The problem is also that Lambda works really poorly with anything that is NOT Cognito and DynamoDB. For example, we were using some CouchBase we deployed ourselves - however, that meant that the Lambda now had a network interface in a private subnet, and start times skyrocketed, especially for concurrent access. When we also started doing our own authentication with yet another Lambda, request times for cold lambdas (which also means every new concurrent connection, remember) almost doubled. There's also the fact that most of the code isn't really gone, it's just transformed from web server logic to lambda deployment/configuration logic. The biggest win all told seems to be security - at least with Lambda you don't need to worry about staying on top of OS updates and the likes. I'm not at all convinced that we gained much of anything else. Oh, and one thing that's rarely discussed is how much development&qa costs skyrocket when you have a larger team developing a fully serverless application, each with their own setup and running a few performance tests every few months... |
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