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This article mainly explains "the configuration of Nginx load balancing". The content of the explanation is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "the configuration of Nginx load balancing".

1. Simple understanding

The Nginx load balancer [load balancing] project is deployed on different servers, but the request is distributed by nginx through a unified domain name, which reduces the pressure on the server and does not cause a server to be idle because of its high load and downtime.

2.nginx load balancer currently supports four modes of allocation.

1), polling (default)

Each request is assigned to a different backend server one by one in chronological order. If the backend server down is dropped, it can be automatically eliminated.

2), weight

Specify the polling probability. The weight is proportional to the access ratio, which is used in the case of uneven performance of the backend server.

2), ip_hash

Each request is allocated according to the hash result of accessing the ip, so that each visitor accesses a back-end server on a regular basis, which can solve the session problem.

3), fair (third party)

Requests are allocated according to the response time of the back-end server, and priority is given to those with short response time.

4), url_hash (third party)

Thank you for your reading. The above is the content of "configuration of Nginx load balancer". After the study of this article, I believe you have a deeper understanding of the configuration of Nginx load balancer, and the specific usage needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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