PHP thread open File handle exception caused by 502 bad Gateway

Source: Internet
Author: User
PHP thread open File handle limited error 502 bad Gateway

The resources on the Internet are basically considered to be errors caused by the limited opening of a file handle by a PHP thread. The specific solution is as follows:

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1. Raise the file handle of the server open Open

/etc/security/limits.conf: (Increase)

* soft???????? 51200

*?????? nofile. 51200

# vi/etc/security/limits.conf? Plus
* Soft Nofile 51200
* Hard Nofile 51200

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2, increase the number of open Nginx process file

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Nginx.conf:worker_rlimit_nofile 51200;

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3, modify the php-fpm.conf file, the main need to modify 2 .

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Command Ulimit-n View the number of open files that are restricted, and the options in php-fpm.conf rlimit_files ensure that they are consistent with this value.

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? 10240

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51200

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4.

# Vi/etc/sysctl. conf?
Bottom add
fs.file-max=51200

Complete the above changes, restart PHP, the warning message no longer.

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The world is quiet, 502 bad Gateway.

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