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php7+的php-fpm參數配置(注意事項)

藏色散人
藏色散人轉載
2020-01-13 13:59:223553瀏覽

安裝php7 的,如果php-fpm的這幾個參數設定不當了,會導致php-fpm啟動不了,nginx站點不能解析php文件,報404錯誤。

相關指令:

centos7 ,啟動php-fpm:

systemctl start php-fpm

查看php-fpm是否啟動:

ps -ef|grep php

php-fpm的核心參數配置,預設如下:

pm = dynamic
pm.max_children = 5
pm.start_servers = 2
pm.min_spare_servers = 1
pm.max_spare_servers = 3

只針對動態方式dynamic說明如下:

max_children:動態方式下限定php-fpm的最大進程數

start_servers:動態方式下的起始php-fpm進程數量

min_spare_servers :動態方式空閒狀態下的最小php-fpm進程數量

max_spare_servers :動態方式空閒狀態下的最大php-fpm進程數量

這些參數如果注意改錯了參數會導致php-fpm啟動不了,nginx也就無法存取php文件,可查看日誌排查錯誤:

/usr/local/php/var/log/php-fpm.log

規則匯總:

1.max_children 必須大於min_spare_servers

2.max_children 必須大於max_spare_servers

3.start_servers 必須大於min_spare_servers

4.start_servers = min_spare_serversserver_servers

4.start_servers = min_spare_serversserver_spare_serversserver_spare_spare_sserver_spare_serversserver_spare_sserversserver_spare_sserver_spare_spare_serversserver_spare_serversserver_spare_sserver_spare_spare_serversserver_spare_sserver -spare_spare_serversserver_spare_serversserver_spare_sserver_spare_spare_sserver_spare_spare_server_spare_spare_sserver_spare_sserver_spare_spare_sserver_spare_spare_server_spare_spare_sserver_spare_sservers> ) / 2

###PS:我伺服器是8G內存,目前空閒還多,我就統一後面加了個0,分別是50、20、10、30。 ###

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