提升CentOS Apache服務器的穩定性可以通過多種方法實現,以下是一些關鍵的優化和配置策略:
KeepAlive On
MaxKeepAliveRequests 100
KeepAliveTimeout 5
StartServers 5
MinSpareServers 5
MaxSpareServers 10
MaxRequestWorkers 150
MaxConnectionsPerChild 0
<IfModule mod_expires.c>
ExpiresActive On
ExpiresByType text/css "access plus 30 days"
ExpiresByType image/jpeg "access plus 1 year"
ExpiresByType image/png "access plus 1 year"
ExpiresByType image/gif "access plus 1 year"
ExpiresByType application/javascript "access plus 30 days"
</IfModule>
<IfModule mod_deflate.c>
AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css application/javascript
</IfModule>
CustomLog logs/access_log common
LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined
/etc/sysctl.conf
文件,調整TCP連接數、文件句柄數等參數:net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw_recycle = 1
net.ipv4.ip_local_port_range = 1024 65000
net.ipv4.tcp_max_syn_backlog = 8192
net.ipv4.tcp_max_tw_buckets = 5000
執行命令 /sbin/sysctl -p
使內核配置立馬生效。top
、htop
、vmstat
等,實時監控CPU、內存、I/O和網絡的使用情況,發現性能瓶頸。journalctl
、logrotate
等工具定期分析系統日志,確保發現系統異常和性能問題。通過上述配置和優化策略,可以顯著提升CentOS Apache服務器的穩定性和安全性。記得在每次更改配置文件之后重新啟動Apache服務以使更改生效。