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tl;dr Results: "We could downsize our provisioned API server pool by about 90%." "the time it takes to run our full integration test suite dropped from 25 minutes to 2 minutes, and the time to do a full API server deploy with rolling restarts dropped from 30 minutes to 3 minutes. The go API server restarts gracefully so no load balancer juggling and prewarming is necessary."

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You forgot to summarize this, from original thread at https://news.ycombinator.com/item?id=9693743

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by beat 2 days ago

So if you had to do it all over again, would you write the API from the start in Go, or would you start with Ruby and transition to Go again?

spimmy 2 days ago

Hard to say. Ruby really did let us move and ship products insanely fast, without having to sink precious engineering time into boilerplate and standard libraries. Most startups fail, and it's often because they couldn't move fast enough. So I don't think it was a bad choice at the time. We were able to do the rewrite once we had grown up a bit, gotten acquired, hired more engineers, and had a proven business model that was worth investing in.

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