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A comment on Going Serverless: Migrating an Express App to AWS API Gateway and AWS Lambda. Parent comment

Re:Going Serverless: Migrating an Express App to AWS API Gat... by jotto on Tuesday October 11, 2016 @12:54AM (#12681955)
Actually I was making the point that they are not "relatively quick" even when hot: close to 300ms, almost entirely due to the API Gateway. (I even measured API Gateway on top of bare ec2 and the same penalty applies).

Lambda itself is fairly quick (~75ms), but API Gateway needs some work.

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Re:Going Serverless: Migrating an Express App to AWS API Gat... by jomamaxx on Tuesday October 11, 2016 @11:43PM (#12690307)
Yeah, I tend to agree, I just didn't want to be a total jerkoff on the thread.

250ms we can live with for many things, but not 5x.

But yes - it should be under 50ms at all times I think for people to start taking it seriously.

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