download:Java生産環境下性能監控與調優詳解
本課程将為你講解如何在生産環境下對Java應用做性能監控與調優;通過本課程,你将掌握多種性能監控工具應用,學會定位并解決諸如記憶體溢出、cpu負載飙高等問題;學會線上代碼調試,Tomcat、Nginx,GC調優等手段; 讀懂JVM位元組碼指令,分析源碼背後原理,提升應對線上突發狀況的能力
适合人群
具備至少一個項目開發和上線經驗的同學
想學習生産環境下應用監控與調優技術的同學
想提高解決生産環境的各種性能問題的能力的同學
正準備晉級Java中進階工程師的同學
技術儲備要求
有Java,Linux,Tomcat,Nginx等
Java國中級工程師必備技術基礎
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;
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 啟動 ==============");
}
public void stop() throws Exception {
tomcat.stop();
log.info("============== Tomcat 終止 ==============");
}
/
@param args
@throws Exception
*/
public static void main(String[] args) throws Exception {
EmbeddedTomcat embededTomcat = new EmbeddedTomcat();
embededTomcat.start();
}
來源:51CTO
作者:mb6006f0dd85414
連結:https://blog.51cto.com/15088754/2614458