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: