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LNMP后的相关配置优化

2010-11-29 16:12 375 查看

2010-04-23安装LNMP后的相关配置优化
2010年04月23日星期五下午 12:11

1、配置开机自动启动Nginx + PHP

vim /etc/rc.local

/home/mysql/mysql start

ulimit -SHn 65535

/usr/local/webserver/php/sbin/php-fpm start

/usr/local/webserver/nginx/sbin/nginx

2、优化Linux内核参数

vi /etc/sysctl.conf

末尾加上

# Add

net.ipv4.tcp_max_syn_backlog = 65536

net.core.netdev_max_backlog = 32768

net.core.somaxconn = 32768

net.core.wmem_default = 8388608

net.core.rmem_default = 8388608

net.core.rmem_max = 16777216

net.core.wmem_max = 16777216

net.ipv4.tcp_timestamps = 0

net.ipv4.tcp_synack_retries = 2

net.ipv4.tcp_syn_retries = 2

net.ipv4.tcp_tw_recycle = 1

#net.ipv4.tcp_tw_len = 1

net.ipv4.tcp_tw_reuse = 1

net.ipv4.tcp_mem = 94500000 915000000 927000000

net.ipv4.tcp_max_orphans = 3276800

#net.ipv4.tcp_fin_timeout = 30

#net.ipv4.tcp_keepalive_time = 120

net.ipv4.ip_local_port_range = 1024 65535

立刻生效刚才所配置的

/sbin/sysctl -p

3、在不停止Nginx服务的情况下平滑变更Nginx配置

改了/usr/local/webserver/nginx/conf/nginx.conf

用这个命令测试

/usr/local/webserver/nginx/sbin/nginx -t

出现

如果屏幕显示以下两行信息，说明配置文件正确：

the configuration file /usr/local/webserver/nginx/conf/nginx.conf syntax is ok

the configuration file /usr/local/webserver/nginx/conf/nginx.conf was tested successfully

代表配置没有任何问题，可以放心开始执行

4、平滑重启NGINX

/usr/local/webserver/nginx/sbin/nginx -s reload

5、编写每天定时切割Nginx日志的脚本

vi /usr/local/webserver/nginx/sbin/cut_nginx_log.sh

#!/bin/bash

# This script run at 00:00

# The Nginx logs path

logs_path="/usr/local/webserver/nginx/logs/"

mkdir -p ${logs_path}$(date -d "yesterday" +"%Y")/$(date -d "yesterday" +"%m")/

mv ${logs_path}access.log ${logs_path}$(date -d "yesterday" +"%Y")/$(date -d "yesterday" +"%m")/access_$(date -d "yesterday" +"%Y%m%d").log

kill -USR1 `cat /usr/local/webserver/nginx/nginx.pid`

添加到定时任务中去

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