资源简介
大量的并发访问或数据流量分担到多台节点设备上分别处理,减少用户等待响应的时间;其次,单个重负载的运算分担到多台节点设备上做并行处理,每个节点设备处理结束后,将结果汇总,返回给用户,系统处理能力得到大幅度提高。从而提高性能,和吞吐量;但是负载均衡有一个问题就是不同的服务器间进行session共享问题的处理;肯定不可能每分配到一个服务上让用户进行一次登录,这样的用户体验会是极差的;
代码片段和文件信息
/*
* Generated by the Jasper component of Apache Tomcat
* Version: Apache Tomcat/7.0.52
* Generated at: 2017-10-18 13:14:05 UTC
* Note: The last modified time of this file was set to
* the last modified time of the source file after
* generation to assist with modification tracking.
*/
package org.apache.jsp;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
public final class index_jsp extends org.apache.jasper.runtime.HttpJspbase
implements org.apache.jasper.runtime.JspSourceDependent {
private static final javax.servlet.jsp.JspFactory _jspxFactory =
javax.servlet.jsp.JspFactory.getDefaultFactory();
private static java.util.Map _jspx_dependants;
private javax.el.expressionFactory _el_expressionfactory;
private org.apache.tomcat.InstanceManager _jsp_instancemanager;
public java.util.Map getDependants() {
return _jspx_dependants;
}
public void _jspInit() {
_el_expressionfactory = _jspxFactory.getJspApplicationContext(getServletConfig().getServletContext()).getexpressionFactory();
_jsp_instancemanager = org.apache.jasper.runtime.InstanceManagerFactory.getInstanceManager(getServletConfig());
}
public void _jspDestroy() {
}
public void _jspService(final javax.servlet.http.HttpServletRequest request final javax.servlet.http.HttpServletResponse response)
throws java.io.IOException javax.servlet.ServletException {
final javax.servlet.jsp.PageContext pageContext;
javax.servlet.http.HttpSession session = null;
final javax.servlet.ServletContext application;
final javax.servlet.ServletConfig config;
javax.servlet.jsp.JspWriter out = null;
final java.lang.object page = this;
javax.servlet.jsp.JspWriter _jspx_out = null;
javax.servlet.jsp.PageContext _jspx_page_context = null;
try {
response.setContentType(“text/html;charset=UTF-8“);
pageContext = _jspxFactory.getPageContext(this request response
null true 8192 true);
_jspx_page_context = pageContext;
application = pageContext.getServletContext();
config = pageContext.getServletConfig();
session = pageContext.getSession();
out = pageContext.getOut();
_jspx_out = out;
out.write(“\n“);
out.write(“\n“);
out.write(“\n“);
out.write(“ \n“);
out.write(“ tle> tle>\n“);
out.write(“ \n“);
out.write(“ \n“);
out.write(“ TomcatB.test
\n“);
out.write(“ \n“);
out.write(“ \n“);
out.write(“ Session ID \n“);
out.write(“ “);
session.setAttribute(“test““test“);
out.write(“\n“);
out.write(“ “);
out.print( session.getId() );
out
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
文件 28710 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\bootstrap.jar
文件 2168 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\catalina-tasks.xml
文件 13139 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\catalina.bat
文件 20779 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\catalina.sh
文件 204944 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\commons-daemon-native.tar.gz
文件 24283 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\commons-daemon.jar
文件 2064 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\configtest.bat
文件 1922 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\configtest.sh
文件 1278 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\cpappend.bat
文件 7884 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\daemon.sh
文件 2115 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\digest.bat
文件 1965 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\digest.sh
文件 6157 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\service.bat
文件 3195 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\setclasspath.bat
文件 3459 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\setclasspath.sh
文件 2044 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\shutdown.bat
文件 1902 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\shutdown.sh
文件 2046 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\startup.bat
文件 1904 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\startup.sh
文件 1589760 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\tcnative-1.dll
文件 38712 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\tomcat-juli.jar
文件 286622 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\tomcat-native.tar.gz
文件 103936 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\tomcat7.exe
文件 104448 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\tomcat7w.exe
文件 4045 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\tool-wrapper.bat
文件 5024 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\tool-wrapper.sh
文件 2050 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\version.bat
文件 1908 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\bin\version.sh
文件 12505 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\conf\catalina.policy
文件 6373 2014-02-13 10:29 tomcat-clustering\tomcat-clustering-1\conf\catalina.properties
............此处省略729个文件信息
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