July 2016
Beginner
320 pages
6h 32m
English
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Load-balancing
We've already shown some examples of using load-balancing in our discussion of upstream servers. Besides being a termination point for clients from the Internet as a reverse proxy, NGINX serves the function of a load balancer well. It can protect your upstream servers from overload by spreading out the connections that it proxies. Depending on your use case, you can choose one of three load-balancing algorithms.
Load-balancing algorithms
The upstream module can select which upstream server to connect to in the next step by using one of three load-balancing algorithms—round-robin, IP hash, or least connections. The round-robin algorithm is selected by default, and doesn't need a configuration directive to activate it. This algorithm ...
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