nginx负载均衡配置---nginx的学习之路

<span>#设定http服务器，利用它的反向代理功能提供负载均衡支持</span><span>
http </span><span>{</span><span></span><span>#设定mime类型,类型由mime.type文件定义</span><span>
    include             </span><span>/</span><span>etc</span><span>/</span><span>nginx</span><span>/</span><span>mime</span><span>.</span><span>types</span><span>;</span><span>
    default_type    application</span><span>/</span><span>octet</span><span>-</span><span>stream</span><span>;</span><span></span><span>#设定日志格式</span><span>
    access_log        </span><span>/</span><span>var</span><span>/</span><span>log</span><span>/</span><span>nginx</span><span>/</span><span>access</span><span>.</span><span>log</span><span>;</span><span></span><span>#省略上文有的一些配置节点</span><span></span><span>#。。。。。。。。。。</span><span></span><span>#设定负载均衡的服务器列表</span><span>
    upstream mysvr </span><span>{</span><span></span><span>#weigth参数表示权值，权值越高被分配到的几率越大</span><span>
        server </span><span>192.168</span><span>.</span><span>8.1x</span><span>:</span><span>3128</span><span> weight</span><span>=</span><span>5</span><span>;</span><span></span><span>#本机上的Squid开启3128端口,不是必须要squid</span><span>
        server </span><span>192.168</span><span>.</span><span>8.2x</span><span>:</span><span>80</span><span>    weight</span><span>=</span><span>1</span><span>;</span><span>
        server </span><span>192.168</span><span>.</span><span>8.3x</span><span>:</span><span>80</span><span>    weight</span><span>=</span><span>6</span><span>;</span><span></span><span>}</span><span>    upstream mysvr2 </span><span>{</span><span></span><span>#weigth参数表示权值，权值越高被分配到的几率越大</span><span>
        server </span><span>192.168</span><span>.</span><span>8.x</span><span>:</span><span>80</span><span>    weight</span><span>=</span><span>1</span><span>;</span><span>
        server </span><span>192.168</span><span>.</span><span>8.x</span><span>:</span><span>80</span><span>    weight</span><span>=</span><span>6</span><span>;</span><span></span><span>}</span><span></span><span>#第一个虚拟服务器</span><span>
    server </span><span>{</span><span></span><span>#侦听192.168.8.x的80端口</span><span>
        listen             </span><span>80</span><span>;</span><span>
        server_name    </span><span>192.168</span><span>.</span><span>8.x</span><span>;</span><span></span><span>#对aspx后缀的进行负载均衡请求</span><span>
        location </span><span>~</span><span></span><span>.*</span><span>\.aspx$ </span><span>{</span><span></span><span>#定义服务器的默认网站根目录位置</span><span>
            root     </span><span>/</span><span>root</span><span>;</span><span></span><span>#定义首页索引文件的名称</span><span>
            index index</span><span>.</span><span>php index</span><span>.</span><span>html index</span><span>.</span><span>htm</span><span>;</span><span></span><span>#请求转向mysvr 定义的服务器列表</span><span>
            proxy_pass    http</span><span>:</span><span>//mysvr ;</span><span></span><span>#以下是一些反向代理的配置可删除.</span><span>            proxy_redirect off</span><span>;</span><span></span><span>#后端的Web服务器可以通过X-Forwarded-For获取用户真实IP</span><span>
            proxy_set_header </span><span>Host</span><span> $host</span><span>;</span><span>
            proxy_set_header X</span><span>-</span><span>Real</span><span>-</span><span>IP $remote_addr</span><span>;</span><span>
            proxy_set_header X</span><span>-</span><span>Forwarded</span><span>-</span><span>For</span><span> $proxy_add_x_forwarded_for</span><span>;</span><span></span><span>#允许客户端请求的最大单文件字节数</span><span>
            client_max_body_size </span><span>10m</span><span>;</span><span></span><span>#缓冲区代理缓冲用户端请求的最大字节数，</span><span>
            client_body_buffer_size </span><span>128k</span><span>;</span><span></span><span>#nginx跟后端服务器连接超时时间(代理连接超时)</span><span>
            proxy_connect_timeout </span><span>90</span><span>;</span><span></span><span>#连接成功后，后端服务器响应时间(代理接收超时)</span><span>
            proxy_read_timeout </span><span>90</span><span>;</span><span></span><span>#设置代理服务器（nginx）保存用户头信息的缓冲区大小</span><span>
            proxy_buffer_size </span><span>4k</span><span>;</span><span></span><span>#proxy_buffers缓冲区，网页平均在32k以下的话，这样设置</span><span>
            proxy_buffers </span><span>4</span><span></span><span>32k</span><span>;</span><span></span><span>#高负荷下缓冲大小（proxy_buffers*2）</span><span>
            proxy_busy_buffers_size </span><span>64k</span><span>;</span><span></span><span>#设定缓存文件夹大小，大于这个值，将从upstream服务器传</span><span>
            proxy_temp_file_write_size </span><span>64k</span><span>;</span><span></span><span>}</span><span></span><span>}</span><span></span><span>}</span>
                
                
                <p>
                    以上就介绍了nginx负载均衡配置---nginx的学习之路，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。</p>
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