Currently I want to scale my API servers, so I create some additional droplets and try to use the Load Balancing feature for those droplets. When I try to test the performance with loader.io (Sending 5k requests per second) I realize that the maximum number of success request/s is exactly 1000 (and a lot of timeout requests). Then I try to create another droplet as a load balancer using nginx and do the same test. The result shows that there are over 3000 request/s (and just a little timeout requests). So I guess that Load Balancing is limited at 1000 request/s. Is that true? Can I do anything to lift this limit?
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