提升Debian上Tomcat的并发处理能力可以通过多个方面的配置和优化来实现。以下是一些关键的步骤和建议:
server.xml
中配置如下:Connector port="8080" protocol="org.apache.coyote.http11.Http11Nio2Protocol" connectionTimeout="20000" redirectPort="8443" />
Connector port="8443" protocol="org.apache.coyote.http2.Http2Protocol" maxThreads="150" SSLEnabled="true" />
Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000" maxConnections="10000" redirectPort="8443" />
server.xml
中配置如下:Executor name="tomcatThreadPool" namePrefix="catalina-exec-" maxThreads="500" minSpareThreads="50" maxQueueSize="100" />
Connector executor="tomcatThreadPool" port="8080" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" />
export CATALINA_OPTS="-Xms512m -Xmx1024m -XX:PermSize=256m -XX:MaxPermSize=512m"
export CATALINA_OPTS="$CATALINA_OPTS -XX:UseG1GC"
sudo sysctl -w net.ipv4.tcp_tw_reuse=1
sudo sysctl -w net.core.somaxconn=4096
通过上述方法,可以显著提升Tomcat在Debian系统下的性能。具体的配置参数需要根据服务器的硬件资源和应用程序的需求进行调整。