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Re:Show HN: Servers.lol – Should Your EC2 Be a Lambda? by agranias on Thursday December 14, 2017 @03:37PM (#15926755)
Of course it depends on the use case, but for smaller functions it definitely reduces dev work. For AWS, Lambdas can be versioned and aliased. Blue green deployments are trivial since you can switch Lambda versions on the fly. Rolling back and invoking dev versions are similar.
Re:Show HN: Servers.lol – Should Your EC2 Be a Lambda? by illumin8 on Thursday December 14, 2017 @05:00PM (#15927549)
You can now even do canary deployments where you switch a small amount of traffic to a new version of your Lambda. The FaaS (function as a service) ecosystem is rapidly reaching parity with traditional software.

Disclaimer: I work for AWS