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by teh_klev 3080 days ago
Well actually... :)

If you read to the end:

"After we had properly configured our cluster and the auto-scaling settings, we were able to lower it even more to only 4x EC2 c4.Large instances and the Elastic Auto-Scaling set to spawn a new instance if CPU goes above 90% for 5 minutes straight."

From last time's discussion on this (https://news.ycombinator.com/item?id=9845820):

This comment is kind of insightful:

https://news.ycombinator.com/item?id=9846606

"I was confused by the numbers at first, so: that's 17k requests per second, spread out over 4 dual core Xeon (Haswell) machines, which works out to just over 4000 requests/s per machine. It's still a respectable number, but it's much closer to what one would expect given the task."

"Don't get me wrong, the most interesting part is definitely the implementation and as a Go noob I found it very useful - it's just a bit misleading for the headline to sum your request rate across all parallelized machines."