linux

LNMP如何实现负载均衡

小樊
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2025-03-02 00:11:29
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在LNMP(Linux, Nginx, MySQL, PHP)环境中实现负载均衡通常涉及以下几个步骤:

  1. 配置Nginx负载均衡
upstream backend {
    server 192.168.1.1:8000;
    server 192.168.1.2:8000;
    server 192.168.1.3:8000;
}
server {
    listen 80;
    server_name example.com;
    location / {
        proxy_pass http://backend;
    }
}
upstream backend {
    ip_hash;
    server 192.168.1.1:8000;
    server 192.168.1.2:8000;
    server 192.168.1.3:8000;
}
  1. 配置PHP-FPM
[www]
listen = /var/run/php-fpm/php-fpm.sock
listen.allowed_clients = 127.0.0.1
pm = dynamic
pm.max_children = 5
pm.start_servers = 2
pm.min_spare_servers = 1
pm.max_spare_servers = 3
  1. 配置MySQL
server-id = 1
log_bin = /var/log/mysql/mysql-bin.log
binlog_do_db = your_database

从服务器配置:

server-id = 2
relay_log = /var/log/mysql/mysql-relay-bin.log
log_slave_updates = 1
read_only = 1
relay_log_index = /var/log/mysql/mysql-relay-bin.index
  1. 测试和监控

通过上述步骤,可以在LNMP环境中实现基本的负载均衡。根据实际需求,可能需要进一步调整和优化配置,例如增加更多的后端服务器、调整负载均衡算法等。

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