Файловый менеджер

Файловый менеджер - Редактировать - C:/xampp/tomcat/webapps/docs/config/cluster-valve.html

Назад
<html><head><META http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><title>Apache Tomcat 7 Configuration Reference (7.0.16) - The Cluster Valve object</title><meta name="author" content="Filip Hanik"><style type="text/css" media="print"> .noPrint {display: none;} td#mainBody {width: 100%;} </style></head><body bgcolor="#ffffff" text="#000000" link="#525D76" alink="#525D76" vlink="#525D76"><table border="0" width="100%" cellspacing="0"><!--PAGE HEADER--><tr><td><!--PROJECT LOGO--><a href="http://tomcat.apache.org/"><img src="../images/tomcat.gif" align="right" alt=" The Apache Tomcat Servlet/JSP Container " border="0"></a></td><td><font face="arial,helvetica,sanserif"><h1>Apache Tomcat 7</h1> Version 7.0.16, Jun 11 2011</font></td><td><!--APACHE LOGO--><a href="http://www.apache.org/"><img src="../images/asf-logo.gif" align="right" alt="Apache Logo" border="0"></a></td></tr></table><table border="0" width="100%" cellspacing="4"><!--HEADER SEPARATOR--><tr><td colspan="2"><hr noshade size="1"></td></tr><tr><!--LEFT SIDE NAVIGATION--><td width="20%" valign="top" nowrap class="noPrint"><p><strong>Links</strong></p><ul><li><a href="../index.html">Docs Home</a></li><li><a href="index.html">Config Ref. Home</a></li></ul><p><strong>Top Level Elements</strong></p><ul><li><a href="server.html">Server</a></li><li><a href="service.html">Service</a></li></ul><p><strong>Executors</strong></p><ul><li><a href="executor.html">Executor</a></li></ul><p><strong>Connectors</strong></p><ul><li><a href="http.html">HTTP</a></li><li><a href="ajp.html">AJP</a></li></ul><p><strong>Containers</strong></p><ul><li><a href="context.html">Context</a></li><li><a href="engine.html">Engine</a></li><li><a href="host.html">Host</a></li><li><a href="cluster.html">Cluster</a></li></ul><p><strong>Nested Components</strong></p><ul><li><a href="filter.html">Filter</a></li><li><a href="globalresources.html">Global Resources</a></li><li><a href="jar-scanner.html">JarScanner</a></li><li><a href="listeners.html">Listeners</a></li><li><a href="loader.html">Loader</a></li><li><a href="manager.html">Manager</a></li><li><a href="realm.html">Realm</a></li><li><a href="resources.html">Resources</a></li><li><a href="valve.html">Valve</a></li></ul><p><strong>Cluster Elements</strong></p><ul><li><a href="cluster.html">Cluster</a></li><li><a href="cluster-manager.html">Manager</a></li><li><a href="cluster-channel.html">Channel</a></li><li><a href="cluster-membership.html">Channel/Membership</a></li><li><a href="cluster-sender.html">Channel/Sender</a></li><li><a href="cluster-receiver.html">Channel/Receiver</a></li><li><a href="cluster-interceptor.html">Channel/Interceptor</a></li><li><a href="cluster-valve.html">Valve</a></li><li><a href="cluster-deployer.html">Deployer</a></li><li><a href="cluster-listener.html">ClusterListener</a></li></ul><p><strong>Global Settings</strong></p><ul><li><a href="systemprops.html">System properties</a></li></ul></td><!--RIGHT SIDE MAIN BODY--><td width="80%" valign="top" align="left" id="mainBody"><h1>The Cluster Valve object</h1><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Table of Contents"><!--()--></a><a name="Table_of_Contents"><strong>Table of Contents</strong></a></font></td></tr><tr><td><blockquote> <ul><li><a href="#Introduction">Introduction</a></li><li><a href="#org.apache.catalina.ha.tcp.ReplicationValve">org.apache.catalina.ha.tcp.ReplicationValve</a><ol><li><a href="#org.apache.catalina.ha.tcp.ReplicationValve/Attributes">Attributes</a></li></ol></li><li><a href="#org.apache.catalina.ha.session.JvmRouteBinderValve">org.apache.catalina.ha.session.JvmRouteBinderValve</a><ol><li><a href="#org.apache.catalina.ha.session.JvmRouteBinderValve/Attributes">Attributes</a></li></ol></li></ul> </blockquote></td></tr></table><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Introduction"><strong>Introduction</strong></a></font></td></tr><tr><td><blockquote> <p> A cluster valve is no different from any other <a href="valve.html">Tomcat <code>Valve</code></a>. The cluster valves are interceptors in the invocation chain for HTTP requests, and the clustering implementation uses these valves to make intelligent decision around data and when data should be replicated. </p> <p> A cluster valve must implement the <code>org.apache.catalina.ha.ClusterValve</code> interface. This is a simple interface that extends the <code>org.apache.catalina.Valve</code> interface. </p> </blockquote></td></tr></table><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="org.apache.catalina.ha.tcp.ReplicationValve"><strong>org.apache.catalina.ha.tcp.ReplicationValve</strong></a></font></td></tr><tr><td><blockquote> The <code>ReplicationValve</code> will notify the cluster at the end of a HTTP request so that the cluster can make a decision whether there is data to be replicated or not. <table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="org.apache.catalina.ha.tcp.ReplicationValve/Attributes"><strong>Attributes</strong></a></font></td></tr><tr><td><blockquote> <table border="1" cellpadding="5"><tr><th width="15%" bgcolor="#023264"><font color="#ffffff">Attribute</font></th><th width="85%" bgcolor="#023264"><font color="#ffffff">Description</font></th></tr><tr><td align="left" valign="center"><strong><code>className</code></strong></td><td align="left" valign="center"> Set value to <code>org.apache.catalina.ha.tcp.ReplicationValve</code> </td></tr><tr><td align="left" valign="center"><code>filter</code></td><td align="left" valign="center"> For known file extensions or urls, you can use this Valve to notify the cluster that the session has not been modified during this request and the cluster doesn't have to probe the session managers for changes. If the request matches this filter pattern, the cluster assumes there has been no session change. An example filter would look like <code> filter=".\.gif\|.\.js\|.\.jpeg\|.\.jpg\|.\.png\|.\.htm\|.\.html\|.\.css\|.*\.txt" </code>. The filter is a regular expression using <code>java.util.regex</code>. </td></tr><tr><td align="left" valign="center"><code>primaryIndicator</code></td><td align="left" valign="center"> Boolean value, so to true, and the replication valve will insert a request attribute with the name defined by the <code>primaryIndicatorName</code> attribute. The value inserted into the request attribute is either <code>Boolean.TRUE</code> or <code>Boolean.FALSE</code> </td></tr><tr><td align="left" valign="center"><code>primaryIndicatorName</code></td><td align="left" valign="center"> Default value is <code>org.apache.catalina.ha.tcp.isPrimarySession</code> The value defined here is the name of the request attribute that contains the boolean value if the session is primary on this server or not. </td></tr><tr><td align="left" valign="center"><code>statistics</code></td><td align="left" valign="center"> Boolean value. Set to <code>true</code> if you want the valve to collect request statistics. Default value is <code>false</code> </td></tr></table> </blockquote></td></tr></table> </blockquote></td></tr></table><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="org.apache.catalina.ha.session.JvmRouteBinderValve"><strong>org.apache.catalina.ha.session.JvmRouteBinderValve</strong></a></font></td></tr><tr><td><blockquote> In case of a mod_jk failover, the <code>JvmRouteBinderValve</code> will replace the <code>jvmWorker</code> attribute in the session Id, to make future requests stick to this node. If you want failback capability, don't enable this valve, but if you want your failover to stick, and for mod_jk not to have to keep probing the node that went down, you use this valve. <table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="org.apache.catalina.ha.session.JvmRouteBinderValve/Attributes"><strong>Attributes</strong></a></font></td></tr><tr><td><blockquote> <table border="1" cellpadding="5"><tr><th width="15%" bgcolor="#023264"><font color="#ffffff">Attribute</font></th><th width="85%" bgcolor="#023264"><font color="#ffffff">Description</font></th></tr><tr><td align="left" valign="center"><strong><code>className</code></strong></td><td align="left" valign="center"> <code>org.apache.catalina.ha.session.JvmRouteBinderValve</code> </td></tr><tr><td align="left" valign="center"><code>enabled</code></td><td align="left" valign="center"> Default value is <code>true</code> Runtime attribute to turn on and off turn over of the session's jvmRoute value. </td></tr></table> </blockquote></td></tr></table> </blockquote></td></tr></table></td></tr><!--FOOTER SEPARATOR--><tr><td colspan="2"><hr noshade size="1"></td></tr><!--PAGE FOOTER--><tr><td colspan="2"><div align="center"><font color="#525D76" size="-1"><em> Copyright © 1999-2011, Apache Software Foundation </em></font></div></td></tr></table></body></html>

| ver. 1.4 | Github | . | PHP 5.3.8 | Генерация страницы: 0.12 | proxy | phpinfo | Настройка