debian

如何在Debian上优化Tomcat启动速度

小樊
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2025-06-26 21:07:41
栏目: 智能运维

在Debian上优化Tomcat启动速度可以通过多种方法实现,主要包括连接器配置优化、线程池配置优化、JVM调优、系统内核优化以及应用代码优化等。以下是具体的优化措施:

  1. 连接器配置优化
<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">
  <SSLHostConfig>
    <Certificate certificateKeyFile="conf/localhost-rsa-key.pem" certificateFile="conf/localhost-rsa-cert.pem" certificateChainFile="conf/localhost-rsa-chain.pem" type="RSA" />
  </SSLHostConfig>
</Connector>
<Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000" maxConnections="10000" redirectPort="8443" />
  1. 线程池配置优化
<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" />
  1. JVM调优
export CATALINA_OPTS="-Xms512m -Xmx1024m -XX:NewRatio2 -XX:SurvivorRatio8 -XX:UseParallelGC"
  1. 系统内核优化
  1. 应用代码优化
  1. 使用预热技术
  1. 升级Tomcat版本
  1. 启用类数据共享(CDS)
CATALINA_HOME/bin/startup.sh -Djava.security.egdfile:/dev/./urandom

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