1.加内存限制
vim /opt/tomcat/bin/catalina.sh
![](https://img-blog.csdnimg.cn/20190430154624688.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpYW5na2FpcGluZzA1MjU=,size_16,color_FFFFFF,t_70)
搜索OS
在cygwin=false上加上如图那句代码:
JAVA_OPTS="-server -Xms4096m -Xmx4096m -XX:MaxPermSize=512m"
2.启动多个tomcat
更改conf/server.xml里的几个端口,如图
![](https://img-blog.csdnimg.cn/2019043015542131.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpYW5na2FpcGluZzA1MjU=,size_16,color_FFFFFF,t_70)
确保:几个tomcat的这几个端口都不同,且都未占用。
辅助命令:lsof -i port 查看端口有没有占用
启动:tomcat/bin/start.sh
查看日志:tail -f tomcat/log/catalina.out
3.设置连接数
tomcat/conf/server.xml
![](https://img-blog.csdnimg.cn/20190430155822412.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpYW5na2FpcGluZzA1MjU=,size_16,color_FFFFFF,t_70)