nginx php 104,Nginx错误：recv() failed (104: Connection reset by peer) whi

Nginx错误：recv() failed (104: Connection reset by peer) while reading response header from upstream PHP ： seems busy (you may need to increase pm.start_servers, or pm.min/max_spare_servers), spawning 8 children, there are 0 idle, and 5 total children

服务器上的两个网站都打不开了，包括这个博客。现在说下解决的流程

首先搜索了recv() failed (104: Connection reset by peer) while reading response header from upstream错误提示：

不要使用php-fpm的request_terminate_timeout，最好设成request_terminate_timeout=0;这个参数会直接杀掉php进程，然后重启php进程，这样前端nginx就会返回104: Connection reset by peer。

首先编辑php-fpm.conf 默认路径：php5/etc/php-fpm.conf，搜索request_terminate_timeout 然后修改为0；

然后重启php-fpm kill -USR2 `cat /usr/local/php5/var/run/php-fpm.pid`

刷新网站，还是不行，基本一致loading，继续查看php错误日志。发现php没开启errorlog、

编辑php-fpm.conf 修改参数 error_log = /logs/php-fpm.log

重启php、刷新网站查看php错误日志，有一条信息很多：WARNING: [pool www] seems busy (you may need to increase pm.start_servers, or pm.min/max_spare_servers), spawning 8 children, there are 0 idle, and 5 total children

大致意思是子进程超过了自己定义的最大值，

编辑php-fpm.conf 修改参数 pm.max_children = 100

然后重启php刷新网站，连接不上mysql了。不知道什么情况，ps aux|grep mysql 发现myqsl进程没有了。然后启动mysql

/etc/init.d/mysqld

再访问网站，回归正常

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nginx php 104,Nginx错误：recv() failed (104: Connection reset by peer) whi

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