Java生产环境下性能监控与调优详解

download：Java生产环境下性能监控与调优详解

本课程将为你讲解如何在生产环境下对Java应用作性能监控与调优；经过本课程，你将掌握多种性能监控工具应用，学会定位并解决诸如内存溢出、cpu负载飙高等问题；学会线上代码调试，Tomcat、Nginx，GC调优等手段； 读懂JVM字节码指令，分析源码背后原理，提高应对线上突发情况的能力

适合人群
具有至少一个项目开发和上线经验的同窗
想学习生产环境下应用监控与调优技术的同窗
想提升解决生产环境的各类性能问题的能力的同窗
正准备晋级Java中高级工程师的同窗

技术储备要求
有Java,Linux,Tomcat,Nginx等
Java初中级工程师必备技术基础

package com.yky.logic.test;
import java.io.File;
import org.apache.catalina.core.AprLifecycleListener;
import org.apache.catalina.core.StandardServer;
import org.apache.catalina.startup.Tomcat;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
/**

• TOMCAT
  */
  public class EmbeddedTomcat {
  private final Logger log = LogManager.getLogger(EmbeddedTomcat.class);
  private static String CONTEXT_PATH = "/cis";
  private static String PROJECT_PATH = System.getProperty("user.dir");
  private static String WEB_APP_PATH = PROJECT_PATH + File.separatorChar + "src/main/webapp";
  private static int PORT = 8080;
  private Tomcat tomcat = new Tomcat();
  public void start() throws Exception {
  tomcat.setPort(PORT);
  tomcat.setBaseDir(WEB_APP_PATH);
  tomcat.getHost().setAppBase(WEB_APP_PATH);
  StandardServer server = (StandardServer) tomcat.getServer();
  AprLifecycleListener listener = new AprLifecycleListener();
  server.addLifecycleListener(listener);
  tomcat.addWebapp(CONTEXT_PATH, WEB_APP_PATH);
  tomcat.enableNaming();
  tomcat.start();
  tomcat.getServer().await();
  log.info("============== Tomcat 启动 ==============");
  }
  public void stop() throws Exception {
  tomcat.stop();
  log.info("============== Tomcat 终止 ==============");
  }
  /
• @param args
• @throws Exception*/public static void main(String[] args) throws Exception {EmbeddedTomcat embededTomcat = new EmbeddedTomcat();embededTomcat.start();}