解决Nginx 504 Gateway Time-out和502 Bad Gateway错误

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解决Nginx 504 Gateway Time-out 和502 Bad Gateway错误：
尝试解放方案一：（经过测试此方案未解决问题）

http {
    include       mime.types;
    include   extra/*.conf;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;
    fastcgi_connect_timeout 60;
    fastcgi_send_timeout 180;
    fastcgi_read_timeout 180;
    fastcgi_buffers 4 256k;
    fastcgi_buffer_size 128k;
    fastcgi_busy_buffers_size 256k;
    fastcgi_temp_file_write_size 256k;
    fastcgi_intercept_errors on;
    gzip   on;
    gzip_min_length   1k;
    gzip_buffers    4 16k;
    gzip_http_version   1.1;
    gzip_comp_level   9;
    gzip_types   text/plain application/javascript text/css application/xml;
    gzip_vary   on;
}

http {

include mime.types;

include extra/*.conf;

default_type application/octet-stream;

sendfile on;

keepalive_timeout 65;

fastcgi_connect_timeout 60;

fastcgi_send_timeout 180;

fastcgi_read_timeout 180;

fastcgi_buffers 4 256k;

fastcgi_buffer_size 128k;

fastcgi_busy_buffers_size 256k;

fastcgi_temp_file_write_size 256k;

fastcgi_intercept_errors on;

gzip on;

gzip_min_length 1k;

gzip_buffers 4 16k;

gzip_http_version 1.1;

gzip_comp_level 9;

gzip_types text/plain application/javascript text/css application/xml;

gzip_vary on;

}

方案二：

[root@hz log]# vim /usr/local/php/etc/php-fpm.conf
##################################################
pm = static 或者 pm = dynamic
pm.max_children = 10    #当设置pm = static时候生效，开启10个进程
pm.start_servers = 4    #当设置pm = dynamic时候生效，默认启动4个进程
pm.min_spare_servers = 4    #当设置pm = dynamic时候生效，最小启动4个进程
pm.max_spare_servers = 12    #当设置pm = dynamic时候生效，最大启动4个进程
slowlog = log/$pool.log.slow    #开启慢日志查询功能
request_slowlog_timeout = 15    #当超过60s的时候会被记录到/usr/local/php/log
request_terminate_timeout = 120    #设置单个请求的超时中止时间
##################################################

[root@hz log]# vim /usr/local/php/etc/php-fpm.conf

##################################################

pm = static 或者 pm = dynamic

pm.max_children = 10 #当设置pm = static时候生效，开启10个进程

pm.start_servers = 4 #当设置pm = dynamic时候生效，默认启动4个进程

pm.min_spare_servers = 4 #当设置pm = dynamic时候生效，最小启动4个进程

pm.max_spare_servers = 12 #当设置pm = dynamic时候生效，最大启动4个进程

slowlog = log/$pool.log.slow #开启慢日志查询功能

request_slowlog_timeout = 15 #当超过60s的时候会被记录到/usr/local/php/log

request_terminate_timeout = 120 #设置单个请求的超时中止时间

##################################################

优化方案三：

[root@LNMP extra]# cat ../php-fpm.conf
[global]
[www]
user = www
group = www
listen = 127.0.0.1:9000
;listen = /tmp/php.sock
pm = static
pm.max_children = 12
pm.start_servers = 4
pm.min_spare_servers = 4
pm.max_spare_servers = 10
slowlog = log/$pool.log.slow
request_slowlog_timeout = 10
request_terminate_timeout = 40
include = etc/extra/*.ini
################解决一个网站卡死所有网站都无法访问的问题################
[root@LNMP extra]# cat web.ini 
[web]
user = www
group = www
listen = 127.0.0.1:9010
pm = dynamic
pm.max_children = 10
pm.start_servers = 5
pm.min_spare_servers = 3
pm.max_spare_servers = 8

[root@LNMP extra]# cat ../php-fpm.conf

[global]

[www]

user = www

group = www

listen = 127.0.0.1:9000

;listen = /tmp/php.sock

pm = static

pm.max_children = 12

pm.start_servers = 4

pm.min_spare_servers = 4

pm.max_spare_servers = 10

slowlog = log/$pool.log.slow

request_slowlog_timeout = 10

request_terminate_timeout = 40

include = etc/extra/*.ini

################解决一个网站卡死所有网站都无法访问的问题################

[root@LNMP extra]# cat web.ini

[web]

user = www

group = www

listen = 127.0.0.1:9010

pm = dynamic

pm.max_children = 10

pm.start_servers = 5

pm.min_spare_servers = 3

pm.max_spare_servers = 8

SourceByrd's Weblog-https://note.t4x.org/system/nginx-gateway-time-out/

备注：一些程序引起的504错误，可以参考方案二的设置，因为有一些程序会调用非常多的php进程，因此请根据实际情况进行调整，一般情况下children的设置以内存大小为准则（我测试的一个php-fpm进程占用实际内存为24M-28M左右），同时请注意如果开启非常多的php-fpm进程，会占用非常多的CPU资源，SO请进行综合考虑，进行最优化配置！SourceByrd's Weblog-https://note.t4x.org/system/nginx-gateway-time-out/

申明：本文由BYRD原创(基于PHP5.5.11的压力测试得出的数据)，未经许可禁止转载！SourceByrd's Weblog-https://note.t4x.org/system/nginx-gateway-time-out/ SourceByrd's Weblog-https://note.t4x.org/system/nginx-gateway-time-out/

申明：除非注明Byrd's Blog内容均为原创,未经许可禁止转载!详情请阅读版权申明!

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