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Home Backend Development PHP Tutorial nginx - 我看到 别人的 windows php有这样的配置 . 请问这样有什么好处吗 ?

nginx - 我看到 别人的 windows php有这样的配置 . 请问这样有什么好处吗 ?

Jun 06, 2016 pm 08:27 PM
nginx php windows

<code>http {

upstream php_processes {
    server 127.0.0.1:9001 weight=1;
    server 127.0.0.1:9002 weight=1;
}


server {

        ## Regular PHP processing.
        location ~ \.php$ {
            try_files  $uri =404;
            fastcgi_pass   php_processes;
            fastcgi_index  index.php;
            fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;
            include        fastcgi_params;
        }

}


}</code>
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当然省略了好多 ... 好像是为了 php 多进程

回复内容:

<code>http {

upstream php_processes {
    server 127.0.0.1:9001 weight=1;
    server 127.0.0.1:9002 weight=1;
}


server {

        ## Regular PHP processing.
        location ~ \.php$ {
            try_files  $uri =404;
            fastcgi_pass   php_processes;
            fastcgi_index  index.php;
            fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;
            include        fastcgi_params;
        }

}


}</code>
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Copy after login

当然省略了好多 ... 好像是为了 php 多进程

目测是nginx的设置啊,你确定这个是PHP的配置文件?

首先,这是nginx配置文件,意思是把.php结尾的请求交给fastcgi解释器;
其次,php-fpm本身就是一个fastcgi的进程管理器,支持多进程,支持动态增减进程数;
再次,如果在网络上有多个不同的php-fpm,可以你给你nginx配置实现多机负载均衡;
最后,这样配的好处是,如果一个节点挂掉了,nginx可以把请求转到另一个上,实现高可用。

大哥这是nginx的反向代理的配置呀

这个是nginx的配置文件,不是PHP的配置,php的配置文件是php.ini

这不是nginx的配置吗?怎么变成php的啦

楼上都给赞 !!! 哈哈哈 嗯 确实是 nginx 反向代理配置 .

这是负载均衡的配置吧,方向代理在location里面

上面一堆答案都没说到重点。

<code>upstream php_processes {
    server 127.0.0.1:9001 weight=1;
    server 127.0.0.1:9002 weight=1;
}
</code>
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为什么要开两个端口,9001和9002,也就是两个可执行的线程?
举例:

<code><?php echo file_get_contents("test.php");
?>
</code>
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如果线程数只有一个,那么这个代码就会等待test.php的执行,然后test.php会等待这个php文件的执行结束……
于是,就"死锁"了……无限等待,然后30秒超时就跪掉了。
所以WNMP必须这么配置。
这个配置也只是用来本地测试下代码用而已。
要更专业的话,也不建议用Windows,也不会只给2个处理线程。
(下面那部分就是很常规的默认的Nginx的配置了,不解释)

楼上回答是正解,upstream 是Nginx的负载均衡配置,意思是按照相同的权重把请求分布到两个端口上,其用意自然也就是多个进程来处理任务,一是提高并发数量,第二就是防止文件锁等各种锁的发生

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