java运行时内存参数设置

叁歲伎倆 2022-05-23 04:05 161阅读 0赞

package com.ibank.web;
    
    import com.tasfe.framework.netty.TasfeApplication;
    import com.tasfe.framework.netty.annotation.Env;
    import com.tasfe.framework.netty.annotation.NettyBootstrap;
    import org.springframework.context.ApplicationListener;
    import org.springframework.context.event.ContextStartedEvent;
    import org.springframework.web.servlet.DispatcherServlet;
    
    /** * @author liat.zhang@gmail.com * @date 2016年9月15日-下午9:19:23 * @description <code>NettyServerBootstrap</code>服务器引导程序类，用于调度服务器启动接口 * (springApplicationContext = "classpath*:mobanker-*-application.xml",springServletContext = "classpath*:mobanker-*-servlet.xml") */ @NettyBootstrap(springApplicationContext = "classpath:/com/ibank/pay/configs/ws/ibank-pay-application.xml", springServletContext = "classpath:/com/ibank/pay/configs/ws/ibank-pay-servlet.xml")
    @Env(profile = "")
    public class PayApplication extends DispatcherServlet implements ApplicationListener<ContextStartedEvent> {
        /** * 621778 8305100 363014 * * @param args * @description <code>入口程序</code> */ public static void main(String[] args) {
            System.out.println("Java进程可以向操作系统申请到的最大内存:"+(Runtime.getRuntime().maxMemory())/(1024*1024)+"M");
            System.out.println("Java进程空闲内存:"+(Runtime.getRuntime().freeMemory())/(1024*1024)+"M");
            System.out.println("Java进程现在从操作系统那里已经申请了内存:"+(Runtime.getRuntime().totalMemory())/(1024*1024)+"M");
    
            byte[] bys = new byte[1024*1024];//申请1M内存
            System.out.println("Java进程可以向操作系统申请到的最大内存:"+(Runtime.getRuntime().maxMemory())/(1024*1024)+"M");
            System.out.println("Java进程空闲内存:"+(Runtime.getRuntime().freeMemory())/(1024*1024)+"M");
            System.out.println("Java进程现在从操作系统那里已经申请了内存:"+(Runtime.getRuntime().totalMemory())/(1024*1024)+"M");
    
            TasfeApplication.run(PayApplication.class, args);
        }
    
        //@Value("log.home")
        private String logHome;
    
    
        @Override
        public void onApplicationEvent(ContextStartedEvent event) {
            // event.getApplicationContext();
            // 配置中心读取log配置并存入System
            //System.setProperty("log_home",logHome);
    
        }
    
    }