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php线程打开文件句柄受限导致的异常502 Bad Gateway

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Release: 2016-06-13 12:29:56
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php线程打开文件句柄受限导致的错误502 Bad Gateway

查过网上的资源,基本都是认为是php线程打开文件句柄受限导致的错误。具体的解决的办法如下:

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1、提升服务器的文件句柄打开打开

/etc/security/limits.conf : (增加)

* ? ?soft ? ?nofile ? ?51200

* ? ?hard ? ?nofile ? ?51200

# vi /etc/security/limits.conf?加上
* soft nofile 51200
* hard nofile 51200

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2、提升nginx的进程文件打开数

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nginx.conf : worker_rlimit_nofile 51200;

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3、修改php-fpm.conf文件,主要需要修改2处

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命令 ulimit -n 查看限制的打开文件数,php-fpm.conf 中的选项rlimit_files 确保和此数值一致。

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?10240

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51200

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4、

# vi /etc/sysctl.conf?
底部添加
fs.file-max=51200

完成以上修改,重启PHP,警告信息再也没了。

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世界从此安宁,502 Bad Gateway 没有了。

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