一、 周围搭建：Tomcat的入门级安装与配置

先说说确保您的云服务器已安装Java开发工具包。接下来 用以下命令安装Tomcat：

sudo apt install tomcat9

安装完成后Tomcat是不是正常运行。

二、内存优化：Tomcat调优的关键一步

内存优化是Tomcat调优的关键步骤之一。

• 增巨大熵池：通过以下命令来增巨大熵池的巨大细小。
• sudo apt update
• sudo apt upgrade

修改Tomcat的启动参数文件， 比方说 tomcat/bin/catalina.sh，并添加以下内容：

JAVA_OPTS="$JAVA_OPTS -server -Xms512M -Xmx1024M -XX:NewSize=256M -XX:MaxNewSize=512M -XX:PermSize=128M -XX:MaxPermSize=256M -XX:+UseG1GC -XX:+UseParallelGC"

三、并发优化：搞优良Tomcat的并发处理能力

并发优化是提升Tomcat性能的关键。

• 设置最巨大线程数：在Tomcat的配置文件中设置最巨大线程数， 比方说：
• 用线程池：用线程池能有效地处理并发求，

Executor name="tomcat"ThreadPool namePrefix="catalina-exec- ."

四、缓存优化：加迅速Tomcat的响应速度

缓存优化能显著搞优良Tomcat的响应速度。

• 用Apache HTTP Server作为代理服务器：通过配置Apache HTTP Server作为代理服务器，能实现缓存和负载均衡，

ProxyPass / http://your_server_ip:8080/
ProxyPassReverse / http://your_server_ip:8080/

JAVA_OPTS="-server -XX:+UseParallelGC -XX:+UseStringDeduplication -XX:+UseTLAB -XX:+UseNUMA -XX:+UseLargePages -XX:+UseParallelOldGC -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:+UseStringDeduplication -XX:+UseStringDeduplicationForInterning -XX:+UseStringDeduplicationForNewStrings -XX:+UseStringDeduplicationForOldStrings -XX:+UseStringDeduplicationForCharArrayString -XX:+UseStringDeduplicationForStringBuilder -XX:+UseStringDeduplicationForStringBuffer -XX:+UseStringDeduplicationForStringConcatenation -XX:+UseStringDeduplicationForStringReplace -XX:+UseStringDeduplicationForStringTrim -XX:+UseStringDeduplicationForStringValueOf -XX:+UseStringDeduplicationForStringReplace -XX:+UseStringDeduplicationForStringReplace -XX:+UseStringDeduplicationForStringReplace -XX:+UseStringDeduplicationForStringReplace -XX:+UseStringDeduplicationForStringReplace -XX:+UseStringDeduplicationForStringReplace -XX:+UseStringDeduplicationForStringReplace -XX:+UseStringDeduplicationForStringReplace 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