要提升CentOS上Apache的并发能力,可以采取以下几种优化策略:
/etc/httpd/conf/httpd.conf
)中添加以下行来启用KeepAlive:KeepAlive On
MaxKeepAliveRequests 100
KeepAliveTimeout 5
prefork
。/etc/httpd/conf.modules.d/00-mpm.conf
),根据需要进行如下调整:StartServers 5
MinSpareServers 5
MaxSpareServers 10
MaxRequestWorkers 150
MaxConnectionsPerChild 0
mod_expires
模块来实现静态文件缓存。在Apache配置文件中添加以下行:<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
LogLevel warn
/etc/sysctl.conf
,加入以下内容:net.ipv4.tcp_syncookies 1
net.ipv4.tcp_tw_reuse 1
net.ipv4.tcp_tw_recycle 1
net.ipv4.tcp_fin_timeout 30
net.ipv4.ip_local_port_range 10000 65000
net.ipv4.tcp_max_syn_backlog 8192
net.ipv4.tcp_max_tw_buckets 5000
sysctl -p
mod_http2
模块来实现HTTP/2支持。mod_mpm_worker
或mod_mpm_event
模块来实现多线程支持。通过以上优化策略,可以显著提升CentOS上Apache的并发处理能力。根据具体需求和环境,可能还需要进一步调整和优化。记得在每次更改配置文件之后重新启动Apache服务以使更改生效。
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