conf/server.xml
打开:<Executor name="tomcatThreadPool" namePrefix="catalina-exec-" maxThreads="1000" minSpareThreads="350" />
- 修改链接参数:
- 默认值:
<Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" />
- 修改为:
<Connector port="8080" protocol="org.apache.coyote.http11.Http11Nio2Protocol" connectionTimeout="20000" redirectPort="8443" enableLookups="false" acceptCount="100" maxThreads="200" minSpareThreads="10" compression="on" compressionMinSize="2048" compressableMimeType="text/html,text/xml,text/plain,text/css,text/javascript,application/javascript" URIEncoding="utf-8" />
- 重点参数解释:
- protocol,Tomcat 8 设置 nio2 更好:org.apache.coyote.http11.Http11Nio2Protocol
- protocol,Tomcat 6 设置 nio 更好:org.apache.coyote.http11.Http11NioProtocol
- enableLookups,禁用DNS查询
- acceptCount,指定当所有可以使用的处理请求的线程数都被使用时,可以放到处理队列中的请求数,超过这个数的请求将不予处理,默认设置 100
- maxThreads,最大并发数,默认设置 200
- minSpareThreads,Tomcat初始化时创建的线程数,默认设置 10
- 默认值: