无
发布时间:2025-03-05 11:09:37
jstat -gc | awk 'BEGIN {printf "%8s%8s%8s%8s%8s%8s%8s%8s%8s%8s%8s%8s%8s\n", "S0C(M)", "S1C(M)", "S0U(M)", "S1U(M)", "EC(M)", "EU(M)", "OC(M)", "OU(M)", "MC(M)", "MU(M)", "CCSC(M)", "CCSU(M)", "YGC"} NR>1 {printf "%8.2f%8.2f%8.2f%8.2f%8.2f%8.2f%8.2f%8.2f%8.2f%8.2f%8.2f%8.2f%8d\n", $1/1024, $2/1.........【阅读全文】
发布时间:2020-04-27 09:33:55
原文链接:https://www.cnblogs.com/duanxz/p/6089421.html 一、堆外内存组成通常JVM的参数我们会配置-Xms 堆初始内存-Xmx 堆最大内存-XX:+UseG1GC/CMS 垃圾回收器-XX:+DisableExplicitGC 禁止显示GC-XX:MaxDirectMemorySize 设置最大堆外内存,默认是-xmx-survivor,也就是基本上和-xm.........【阅读全文】
yan0320sd2007-06-09 09:49
我有一段关于session和request的代码应用问题,是这样的,好像是session应用范围的问题,就是调用出了问题,帮忙看一下吧:
<%@ page contentType="text/html;charset=UTF-8" %>
<%@ page import ="java.sql.*" %>