資源簡介
大量的并發訪問或數據流量分擔到多臺節點設備上分別處理,減少用戶等待響應的時間;其次,單個重負載的運算分擔到多臺節點設備上做并行處理,每個節點設備處理結束后,將結果匯總,返回給用戶,系統處理能力得到大幅度提高。從而提高性能,和吞吐量;但是負載均衡有一個問題就是不同的服務器間進行session共享問題的處理;肯定不可能每分配到一個服務上讓用戶進行一次登錄,這樣的用戶體驗會是極差的;
代碼片段和文件信息
/*
?*?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
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????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
............此處省略729個文件信息
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